ScholaTile 開発日誌 2026-04-08

Gemini

Last updated at 2026-04-18Posted at 2026-04-12

USER 🧑‍💻

This is the Gemini CLI. We are setting up the context for our chat.
Today's date is 2026年4月8日水曜日 (formatted according to the user's locale).
My operating system is: linux
The project's temporary directory is: /home/yasumichi/.gemini/tmp/education-scheduler

Workspace Directories:
- /path/to/Education-Scheduler
Directory Structure:

Showing up to 200 items (files + folders). Folders or files indicated with ... contain more items not shown, were ignored, or the display limit (200 items) was reached.

/path/to/Education-Scheduler/
├───.gitignore
├───.npmrc
├───Deploy.md
├───GEMINI.md
├───index.html
├───LICENSE
├───package-lock.json
├───package.json
├───tsconfig.json
├───vite.config.ts
├───.git/...
├───backend/
│ ├───package-lock.json
│ ├───package.json
│ ├───prisma.config.ts
│ ├───tsconfig.json
│ ├───dist/...
│ ├───node_modules/...
│ ├───prisma/
│ │ ├───schema.prisma
│ │ └───seed.ts
│ └───src/
│ ├───authMiddleware.ts
│ └───index.ts
├───dist/...
├───docs/
│ └───API.md
├───node_modules/...
├───public/
│ └───holidays.json
└───src/
├───App.tsx
├───i18n.ts
├───index.css
├───main.tsx
├───types.ts
├───vite-env.d.ts
└───components/
├───CourseManager.css
├───CourseManager.tsx
├───DeliveryMethodManager.css
├───DeliveryMethodManager.tsx
├───EventManager.css
├───EventManager.tsx
├───HolidayManager.css
├───HolidayManager.tsx
├───LabelManager.tsx
├───LessonManager.css
├───LessonManager.tsx
├───Login.css
├───Login.tsx
├───PeriodManager.css
├───PeriodManager.tsx
├───ProfileManager.css
├───ProfileManager.tsx
├───RoomManager.css
├───RoomManager.tsx
├───SystemSettingManager.css
├───SystemSettingManager.tsx
├───TeacherManager.css
├───TeacherManager.tsx
├───Timetable.css
├───Timetable.tsx
├───UserManager.css
└───UserManager.tsx

USER 🧑‍💻

Lesson の項目修正
- 備考の追加(複数行のテキストが入力できる)
- Main Teacher、Sub Teacher について、管理していないリソースをテキスト入力で指定できる。

USER 🧑‍💻

User has manually exited Plan Mode. Switching to Default mode (edits will require confirmation).

USER 🧑‍💻

Lesson の項目追加
- 備考の追加(複数行のテキストが入力できる)
- Main Teacher、Sub Teacher について、管理していないリソースをテキスト入力で指定できる。

MODEL ✨

I will start by investigating the current Lesson model in the Prisma schema and its implementation in the backend and frontend.Tool Command:

{
  "name": "read_file",
  "args": {
    "file_path": "backend/prisma/schema.prisma"
  }
}
```**Tool Command**:
```json
{
  "name": "read_file",
  "args": {
    "file_path": "src/types.ts"
  }
}
```**Tool Command**:
```json
{
  "name": "read_file",
  "args": {
    "file_path": "src/components/LessonManager.tsx"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "read_file_1775642581753_0",
  "name": "read_file",
  "response": {
    "output": "generator client {\n  provider = \"prisma-client-js\"\n}\n\ndatasource db {\n  provider = \"postgresql\"\n}\n\nmodel User {\n  id       String    @id @default(uuid())\n  email    String    @unique\n  password String\n  role     UserRole  @default(STUDENT)\n  resource Resource? @relation(\"UserResource\")\n}\n\nmodel Resource {\n  id               String          @id @default(uuid())\n  name             String\n  type             ResourceType\n  order            Int             @default(0)\n  userId           String?         @unique\n  startDate        String?         // YYYY-MM-DD\n  endDate          String?         // YYYY-MM-DD\n  subjects         CourseSubject[] @relation(\"CourseSubjects\")\n  lessonsAsCourse  Lesson[]        @relation(\"CourseLessons\")\n  lessonsAsRoom    Lesson[]        @relation(\"RoomLessons\")\n  lessonsAsTeacher Lesson[]        @relation(\"TeacherLessons\")\n  user             User?           @relation(\"UserResource\", fields: [userId], references: [id])\n  events           ScheduleEvent[] @relation(\"ResourceEvents\")\n  lessonsAsSub     Lesson[]        @relation(\"SubTeacherLessons\")\n\n  // 追加: メイン教室・教官設定\n  mainRoomId       String?\n  mainRoom         Resource?       @relation(\"CourseMainRoom\", fields: [mainRoomId], references: [id])\n  coursesAsMainRoom Resource[]     @relation(\"CourseMainRoom\")\n  \n  chiefTeacherId   String?\n  chiefTeacher     Resource?       @relation(\"CourseChiefTeacher\", fields: [chiefTeacherId], references: [id])\n  coursesAsChiefTeacher Resource[] @relation(\"CourseChiefTeacher\")\n\n  assistantTeachers Resource[]    @relation(\"CourseAssistantTeachers\")\n  coursesAsAssistant Resource[]    @relation(\"CourseAssistantTeachers\")\n\n  mainTeacherLabel String?\n  subTeacherLabel  String?\n}\n\nmodel CourseSubject {\n// ... (rest of the file)\n  id           String   @id @default(uuid())\n  name         String\n  totalPeriods Int\n  resourceId   String\n  course       Resource @relation(\"CourseSubjects\", fields: [resourceId], references: [id], onDelete: Cascade)\n}\n\nmodel Lesson {\n  id              String           @id @default(uuid())\n  subject         String\n  startDate       String\n  startPeriodId   String\n  endDate         String\n  endPeriodId     String\n  roomId          String?\n  teacherId       String?\n  courseId        String\n  location        String?\n  course          Resource         @relation(\"CourseLessons\", fields: [courseId], references: [id])\n  room            Resource?        @relation(\"RoomLessons\", fields: [roomId], references: [id])\n  teacher         Resource?        @relation(\"TeacherLessons\", fields: [teacherId], references: [id])\n  subTeachers     Resource[]       @relation(\"SubTeacherLessons\")\n  deliveryMethods DeliveryMethod[] @relation(\"LessonDeliveryMethods\")\n}\n\nmodel DeliveryMethod {\n  id      String   @id @default(uuid())\n  name    String\n  color   String?\n  order   Int      @default(0)\n  lessons Lesson[] @relation(\"LessonDeliveryMethods\")\n}\n\nmodel ScheduleEvent {\n  id             String     @id @default(uuid())\n  name           String\n  startDate      String\n  startPeriodId  String\n  endDate        String\n  endPeriodId    String\n  color          String?\n  location       String?\n  showInEventRow Boolean    @default(true)\n  resources      Resource[] @relation(\"ResourceEvents\")\n}\n\nmodel Holiday {\n  id    String  @id @default(uuid())\n  name  String\n  date  String?\n  start String?\n  end   String?\n}\n\nmodel TimePeriod {\n  id        String @id @default(uuid())\n  name      String\n  startTime String\n  endTime   String\n  order     Int    @default(0)\n}\n\nmodel ResourceLabel {\n  id             String @id @default(uuid())\n  room           String @default(\"Room\")\n  teacher        String @default(\"Teacher\")\n  course         String @default(\"Course\")\n  event          String @default(\"Event\")\n  mainTeacher    String @default(\"Main Teacher\")\n  subTeacher     String @default(\"Sub Teacher\")\n  mainRoom       String @default(\"Main Room\")\n  deliveryMethod String @default(\"Delivery Method\")\n  subject        String @default(\"Subject\")\n}\n\nmodel SystemSetting {\n  id                 String  @id @default(uuid())\n  allowPublicSignup  Boolean @default(true)\n  yearViewStartMonth Int     @default(4)\n  yearViewStartDay   Int     @default(1)\n}\n\nenum ResourceType {\n  room\n  teacher\n  course\n}\n\nenum UserRole {\n  ADMIN\n  TEACHER\n  STUDENT\n}\n"
  }
}
```**Tool Response**:
```json
{
  "id": "read_file_1775642581753_1",
  "name": "read_file",
  "response": {
    "output": "export interface TimePeriod {\n  id: string;\n  name: string;\n  startTime: string; // HH:mm\n  endTime: string;   // HH:mm\n  order: number;\n}\n\nexport type ResourceType = 'room' | 'teacher' | 'course';\nexport type UserRole = 'ADMIN' | 'TEACHER' | 'STUDENT';\n\nexport interface User {\n  id: string;\n  email: string;\n  role: UserRole;\n  resourceId?: string; // 対応する講師リソース等\n}\n\nexport interface AuthResponse {\n  token?: string;\n  user: User;\n}\n\nexport interface ResourceLabels {\n  room: string;\n  teacher: string;\n  course: string;\n  event: string;\n  mainTeacher: string;\n  subTeacher: string;\n  mainRoom: string;\n  deliveryMethod: string;\n  subject: string;\n}\n\nexport interface SystemSetting {\n  id: string;\n  allowPublicSignup: boolean;\n  yearViewStartMonth: number;\n  yearViewStartDay: number;\n}\n\nexport interface CourseSubject {\n  id: string;\n  name: string;\n  totalPeriods: number;\n}\n\nexport interface DeliveryMethod {\n  id: string;\n  name: string;\n  color?: string;\n  order: number;\n}\n\nexport interface Resource {\n  id: string;\n  name: string;\n  type: ResourceType;\n  order?: number;\n  userId?: string; // 紐付けられたユーザーID\n  startDate?: string; // YYYY-MM-DD\n  endDate?: string;   // YYYY-MM-DD\n  subjects?: CourseSubject[];\n  mainRoomId?: string;\n  chiefTeacherId?: string;\n  assistantTeacherIds?: string[];\n  assistantTeachers?: { id: string }[];\n  mainTeacherLabel?: string;\n  subTeacherLabel?: string;\n}\n\nexport interface ScheduleEvent {\n  id: string;\n  name: string;\n  startDate: string;\n  startPeriodId: string;\n  endDate: string;\n  endPeriodId: string;\n  color?: string;\n  location?: string;\n  resourceIds?: string[]; // 紐付けられたリソースID（講師、教室など）\n  resources?: { id: string }[]; // バックエンドからのリレーション\n  showInEventRow?: boolean; // イベント行（最上部）に表示するかどうか\n}\n\nexport interface Lesson {\n  id: string;\n  subject: string;\n  teacherId?: string;\n  subTeacherIds?: string[]; // サブ講師\n  subTeachers?: { id: string }[]; // バックエンドからのリレーション\n  roomId?: string;\n  courseId: string;\n  location?: string;\n  deliveryMethodIds?: string[]; // 授業方式\n  deliveryMethods?: { id: string, name: string, color?: string }[]; // バックエンドからのリレーション\n  startDate: string;   // 開始日 \"2026-03-26\"\n  startPeriodId: string; // 開始時限 \"p1\"\n  endDate: string;     // 終了日 \"2026-03-27\"\n  endPeriodId: string;   // 終了時限 \"p4\"\n}\n\nexport type ViewType = 'day' | 'week' | 'month' | 'year';\n\nexport interface Holiday {\n  id: string;\n  date?: string;\n  start?: string;\n  end?: string;\n  name: string;\n}\n\nconst generateResources = (): Resource[] => {\n  const resources: Resource[] = [];\n  for (let i = 1; i <= 20; i++) {\n    resources.push({ id: `r${i}`, name: `Room ${100 + i}`, type: 'room', order: i });\n  }\n  const surnames = ['Sato', 'Suzuki', 'Takahashi', 'Tanaka', 'Watanabe', 'Ito', 'Yamamoto', 'Nakamura', 'Kobayashi', 'Kato', 'Yoshida', 'Yamada', 'Sasaki', 'Yamaguchi', 'Matsumoto', 'Inoue', 'Kimura', 'Hayashi', 'Saito', 'Shimizu'];\n  for (let i = 1; i <= 20; i++) {\n    resources.push({ id: `t${i}`, name: `Dr. ${surnames[i-1]}`, type: 'teacher', order: i });\n  }\n  const courseNames = ['Advanced Math', 'Practical English', 'Physics Inquiry', 'Japanese History B', 'Modern Writing', 'Basic Chemistry', 'World History A', 'Geography B', 'Biology Special', 'Politics & Economy', 'Classical Literature', 'Informatics I', 'Basic Arts', 'Physical Education', 'English Expression', 'Math IIB', 'Logical Japanese', 'Human Science', 'Career Inquiry', 'Multiculturalism'];\n  for (let i = 1; i <= 20; i++) {\n    resources.push({ id: `c${i}`, name: `${courseNames[i-1]} Course`, type: 'course', order: i });\n  }\n  return resources;\n};\n\nexport const MOCK_RESOURCES = generateResources();\n\nconst generateLessons = (): Lesson[] => {\n  const lessons: Lesson[] = [];\n  const subjects = ['Math', 'English', 'Physics', 'Japanese', 'Chemistry', 'History', 'Geography', 'Biology', 'Social', 'Info', 'Arts', 'PE'];\n  const baseDate = new Date().toISOString().split('T')[0];\n\n  // 基本的な単発の授業\n  for (let i = 1; i <= 30; i++) {\n    const periodNum = (i % 8) + 1;\n    lessons.push({\n      id: `l${i}`,\n      subject: subjects[i % subjects.length],\n      teacherId: `t${(i % 20) + 1}`,\n      roomId: `r${(i % 20) + 1}`,\n      courseId: `c${(i % 20) + 1}`,\n      startDate: baseDate,\n      startPeriodId: `p${periodNum}`,\n      endDate: baseDate,\n      endPeriodId: `p${periodNum}`\n    });\n  }\n\n  // 複数サブ講師のテストデータ\n  lessons.push({\n    id: 'l-multi-sub',\n    subject: 'Team Teaching: Research',\n    teacherId: 't1', // Dr. Sato\n    subTeacherIds: ['t2', 't3'], // Dr. Suzuki, Dr. Takahashi\n    roomId: 'r1',\n    courseId: 'c1',\n    startDate: '2026-03-26',\n    startPeriodId: 'p3',\n    endDate: '2026-03-26',\n    endPeriodId: 'p4'\n  });\n\n  // 日を跨ぐ集中講義\n  lessons.push({\n    id: 'l-special',\n    subject: 'Special: Multiculturalism',\n    teacherId: 't5',\n    subTeacherIds: ['t1', 't2'],\n    roomId: 'r5',\n    courseId: 'c20',\n    startDate: '2026-03-26',\n    startPeriodId: 'p1',\n    endDate: '2026-03-27',\n    endPeriodId: 'p4'\n  });\n\n  return lessons;\n};\n\nexport const MOCK_LESSONS = generateLessons();\n\nexport const MOCK_EVENTS: ScheduleEvent[] = [\n  {\n    id: 'e-global-only',\n    name: 'Evacuation Drill',\n    startDate: '2026-03-26',\n    startPeriodId: 'p5',\n    endDate: '2026-03-26',\n    endPeriodId: 'p6',\n    color: '#fee2e2',\n    showInEventRow: true // イベント行のみ（resourceIdsなし）\n  },\n  {\n    id: 'e-resource-only',\n    name: 'Business Trip',\n    startDate: '2026-03-26',\n    startPeriodId: 'p1',\n    endDate: '2026-03-26',\n    endPeriodId: 'p8',\n    color: '#d1fae5',\n    resourceIds: ['t10'], // Dr. Kato only\n    showInEventRow: false // イベント行には出さない\n  },\n  {\n    id: 'e-both',\n    name: 'Open Research Lesson',\n    startDate: '2026-03-26',\n    startPeriodId: 'p2',\n    endDate: '2026-03-26',\n    endPeriodId: 'p3',\n    color: '#fef3c7',\n    resourceIds: ['t4', 'r4'], // Dr. Tanaka, Room 104\n    showInEventRow: true // 両方に表示\n  }\n];\n\nexport const MOCK_HOLIDAYS: Holiday[] = [\n  { id: 'h1', date: '2026-01-01', name: 'New Year\\'s Day' },\n  { id: 'h2', date: '2026-02-11', name: 'Foundation Day' },\n  { id: 'h3', date: '2026-02-23', name: 'Emperor\\'s Birthday' },\n  { id: 'h4', date: '2026-03-20', name: 'Vernal Equinox Day' },\n  { id: 'h5', date: '2026-04-29', name: 'Showa Day' },\n  { id: 'h6', start: '2026-12-29', end: '2027-01-03', name: 'Winter Holidays' }\n];\n"
  }
}
```**Tool Response**:
```json
{
  "id": "read_file_1775642581793_2",
  "name": "read_file",
  "response": {
    "output": "import { useState, useEffect, useMemo } from 'preact/hooks';\nimport { useTranslation } from 'react-i18next';\nimport { Lesson, TimePeriod, Resource, ResourceLabels, DeliveryMethod, User } from '../types';\nimport { parseISO, differenceInDays } from 'date-fns';\nimport './LessonManager.css';\n\ninterface Props {\n  backendUrl: string;\n  onClose: () => void;\n  onUpdate: () => void;\n  periods: TimePeriod[];\n  resources: Resource[];\n  lessons: Lesson[];\n  labels: ResourceLabels;\n  initialLesson?: Partial<Lesson>;\n  user: User;\n}\n\nexport function LessonManager({ backendUrl, onClose, onUpdate, periods, resources, lessons, labels, initialLesson, user }: Props) {\n  const { t } = useTranslation();\n  const [deliveryMethods, setDeliveryMethods] = useState<DeliveryMethod[]>([]);\n  \n  const [formData, setFormData] = useState<{\n    id?: string;\n    subject: string;\n    teacherId: string;\n    subTeacherIds: string[];\n    roomId: string;\n    courseId: string;\n    location: string;\n    deliveryMethodIds: string[];\n    startDate: string;\n    startPeriodId: string;\n    endDate: string;\n    endPeriodId: string;\n  }>({\n    id: initialLesson?.id,\n    subject: initialLesson?.subject || '',\n    teacherId: initialLesson?.teacherId || '',\n    subTeacherIds: initialLesson?.subTeacherIds || (initialLesson?.subTeachers || []).map(t => t.id),\n    roomId: initialLesson?.roomId || '',\n    courseId: initialLesson?.courseId || '',\n    location: initialLesson?.location || '',\n    deliveryMethodIds: initialLesson?.deliveryMethodIds || (initialLesson?.deliveryMethods || []).map(m => m.id),\n    startDate: initialLesson?.startDate || '',\n    startPeriodId: initialLesson?.startPeriodId || periods[0]?.id || 'p1',\n    endDate: initialLesson?.endDate || initialLesson?.startDate || '',\n    endPeriodId: initialLesson?.endPeriodId || initialLesson?.startPeriodId || periods[0]?.id || 'p1',\n  });\n\n  useEffect(() => {\n    const fetchDeliveryMethods = async () => {\n      try {\n        const res = await fetch(`${backendUrl}/delivery-methods`, { credentials: 'include' });\n        if (res.ok) {\n          const data = await res.json();\n          setDeliveryMethods(data);\n        }\n      } catch (err) {\n        console.error('Failed to fetch delivery methods:', err);\n      }\n    };\n    fetchDeliveryMethods();\n  }, [backendUrl]);\n\n  const teachers = resources.filter(r => r.type === 'teacher');\n  const rooms = resources.filter(r => r.type === 'room');\n  const courses = resources.filter(r => r.type === 'course');\n\n  const selectedCourse = useMemo(() => courses.find(c => c.id === formData.courseId), [formData.courseId, courses]);\n  const mainTeacherLabel = labels.mainTeacher;\n  const subTeacherLabel = labels.subTeacher;\n\n  const canManage = useMemo(() => {\n    if (user.role === 'ADMIN') return true;\n    if (user.role !== 'TEACHER' || !user.resourceId || !selectedCourse) return false;\n\n    const isChief = selectedCourse.chiefTeacherId === user.resourceId;\n    const isAssistant = (selectedCourse.assistantTeachers || []).some(t => t.id === user.resourceId);\n    \n    return isChief || isAssistant;\n  }, [user, selectedCourse]);\n\n  const canEditDeliveryMethod = useMemo(() => {\n    if (canManage) return true;\n    if (user.role !== 'TEACHER' || !user.resourceId || !formData.id) return false;\n\n    const isLessonMain = formData.teacherId === user.resourceId;\n    const isLessonSub = formData.subTeacherIds.includes(user.resourceId);\n\n    return isLessonMain || isLessonSub;\n  }, [canManage, user, formData.id, formData.teacherId, formData.subTeacherIds]);\n\n  // 講座が変更された際のメイン教室の自動入力\n  useEffect(() => {\n    if (!formData.id && selectedCourse?.mainRoomId) {\n      setFormData(prev => ({\n        ...prev,\n        roomId: prev.roomId || selectedCourse.mainRoomId || ''\n      }));\n    }\n  }, [formData.courseId, selectedCourse]);\n\n  // 選択された講座に関連する課目と残り時限の計算\n  const subjectOptions = useMemo(() => {\n    const course = selectedCourse;\n    if (!course || !course.subjects) return [];\n\n    return course.subjects.map(s => {\n      // 既存の授業から、この講座・この課目の時限数を合計\n      const scheduledPeriods = lessons\n        .filter(l => l.courseId === formData.courseId && l.subject === s.name && l.id !== formData.id)\n        .reduce((sum, l) => {\n          const sIdx = periods.findIndex(p => p.id === l.startPeriodId);\n          const eIdx = periods.findIndex(p => p.id === l.endPeriodId);\n          if (sIdx === -1 || eIdx === -1) return sum;\n\n          if (l.startDate === l.endDate) {\n            return sum + (eIdx - sIdx + 1);\n          } else {\n            const numDays = differenceInDays(parseISO(l.endDate), parseISO(l.startDate));\n            return sum + (periods.length - sIdx) + (numDays - 1) * periods.length + (eIdx + 1);\n          }\n        }, 0);\n\n      return {\n        name: s.name,\n        total: s.totalPeriods,\n        remaining: s.totalPeriods - scheduledPeriods\n      };\n    });\n  }, [formData.courseId, formData.id, lessons, courses, periods, selectedCourse]);\n\n  const handleSave = async () => {\n    // Basic validation\n    if (!formData.courseId || !formData.subject) {\n      alert(t('Please select all required fields ({{course}}, {{subject}})', { \n        course: labels.course, \n        subject: labels.subject \n      }));\n      return;\n    }\n\n    // Room or Location validation\n    if (!formData.roomId && !formData.location) {\n      alert(t('Please select a Room or enter a Location'));\n      return;\n    }\n\n    // Date range validation\n    if (formData.endDate < formData.startDate) {\n      alert(t('End date cannot be before start date'));\n      return;\n    }\n\n    // Period order validation (if same day)\n    const sPeriodIdx = periods.findIndex(p => p.id === formData.startPeriodId);\n    const ePeriodIdx = periods.findIndex(p => p.id === formData.endPeriodId);\n    if (formData.startDate === formData.endDate) {\n      if (ePeriodIdx < sPeriodIdx) {\n        alert(t('End period cannot be before start period'));\n        return;\n      }\n    }\n\n    // Validate date range against course\n    const selectedCourseData = selectedCourse;\n    if (selectedCourseData && selectedCourseData.startDate && selectedCourseData.endDate) {\n      if (formData.startDate < selectedCourseData.startDate || formData.endDate > selectedCourseData.endDate) {\n        alert(`${t('Lesson date must be between')} ${selectedCourseData.startDate} ${t('and')} ${selectedCourseData.endDate}`);\n        return;\n      }\n    }\n\n    // Double-booking validation\n    const checkResources = [\n      formData.roomId,\n      formData.teacherId,\n      ...formData.subTeacherIds\n    ].filter(id => id && id !== '');\n\n    const getAbsTime = (date: string, pId: string) => {\n      const pIdx = periods.findIndex(p => p.id === pId);\n      return `${date}-${pIdx.toString().padStart(3, '0')}`;\n    };\n\n    const formStart = getAbsTime(formData.startDate, formData.startPeriodId);\n    const formEnd = getAbsTime(formData.endDate, formData.endPeriodId);\n\n    const isDoubleBooked = lessons.some(l => {\n      if (l.id === formData.id) return false;\n\n      // Check time overlap using absolute timestamps (date + period index)\n      const lStart = getAbsTime(l.startDate, l.startPeriodId);\n      const lEnd = getAbsTime(l.endDate, l.endPeriodId);\n      \n      const timeOverlap = formStart <= lEnd && lStart <= formEnd;\n\n      if (!timeOverlap) return false;\n\n      // Check resource overlap\n      const lResources = [l.roomId, l.teacherId, ...(l.subTeacherIds || [])].filter(id => id && id !== '');\n      return checkResources.some(rid => lResources.includes(rid));\n    });\n\n    if (isDoubleBooked) {\n      if (!confirm(t('Warning: One or more resources are already booked for this time. Do you want to proceed anyway?'))) {\n        return;\n      }\n    }\n\n    try {\n      const res = await fetch(`${backendUrl}/lessons`, {\n        method: 'POST',\n        headers: {\n          'Content-Type': 'application/json'\n        },\n        credentials: 'include',\n        body: JSON.stringify({\n          ...formData,\n          teacherId: formData.teacherId || null,\n          roomId: formData.roomId || null,\n          location: formData.location || null,\n          deliveryMethodIds: formData.deliveryMethodIds\n        })\n      });\n      if (res.ok) {\n        onUpdate();\n        onClose();\n      } else {\n        alert(t('Failed to save lesson'));\n      }\n    } catch (err) {\n      console.error('Error saving lesson:', err);\n    }\n  };\n\n  const handleDelete = async () => {\n    if (!formData.id) return;\n    if (!confirm(t('Are you sure you want to delete this lesson?'))) return;\n\n    try {\n      const res = await fetch(`${backendUrl}/lessons/${formData.id}`, {\n        method: 'DELETE',\n        credentials: 'include'\n      });\n      if (res.ok) {\n        onUpdate();\n        onClose();\n      } else {\n        alert(t('Failed to delete lesson'));\n      }\n    } catch (err) {\n      console.error('Error deleting lesson:', err);\n    }\n  };\n\n  const toggleSubTeacher = (id: string) => {\n    const newIds = formData.subTeacherIds.includes(id)\n      ? formData.subTeacherIds.filter(tid => tid !== id)\n      : [...formData.subTeacherIds, id];\n    setFormData({ ...formData, subTeacherIds: newIds });\n  };\n\n  const toggleDeliveryMethod = (id: string) => {\n    const newIds = formData.deliveryMethodIds.includes(id)\n      ? formData.deliveryMethodIds.filter(did => did !== id)\n      : [...formData.deliveryMethodIds, id];\n    setFormData({ ...formData, deliveryMethodIds: newIds });\n  };\n\n  return (\n    <div className=\"lesson-manager-overlay\">\n      <div className=\"lesson-manager-box\">\n        <div className=\"dialog-header\">\n          <h2>\n            {formData.id ? t('Edit Lesson') : t('Create Lesson')}\n            {!canManage && canEditDeliveryMethod && <span className=\"readonly-badge limited\"> ({t('Limited Edit')})</span>}\n            {!canManage && !canEditDeliveryMethod && <span className=\"readonly-badge\"> ({t('Read-only')})</span>}\n          </h2>\n          <button className=\"close-button\" onClick={onClose}>×</button>\n        </div>\n\n        <div className=\"lesson-manager-content\">\n          <div className=\"form-group\">\n            <label>{labels.course} *</label>\n            {canManage ? (\n              <select \n                value={formData.courseId} \n                onChange={(e) => setFormData({ ...formData, courseId: e.currentTarget.value, subject: '' })}\n                disabled={!canManage}\n              >\n                <option value=\"\">{t('Select Course')}</option>\n                {courses.map(c => <option key={c.id} value={c.id}>{c.name}</option>)}\n              </select>\n            ) : (\n              <span className=\"readonly-value\">{courses.find(c => c.id === formData.courseId)?.name || '-'}</span>\n            )}\n          </div>\n\n          <div className=\"form-group\">\n            <label>{labels.subject} *</label>\n            {canManage ? (\n              <select \n                value={formData.subject} \n                onChange={(e) => setFormData({ ...formData, subject: e.currentTarget.value })}\n                disabled={!canManage || !formData.courseId}\n              >\n                <option value=\"\">{t('Select {{resource}}', { resource: labels.subject })}</option>\n                {subjectOptions.map(s => (\n                  <option key={s.name} value={s.name} disabled={s.remaining <= 0}>\n                    {s.name} ({t('Remaining')}: {s.remaining}/{s.total})\n                  </option>\n                ))}\n              </select>\n            ) : (\n              <span className=\"readonly-value\">{formData.subject || '-'}</span>\n            )}\n          </div>\n\n          <div className=\"form-row\">\n            <div className=\"form-group\">\n              <label>{t('Start Date')} *</label>\n              {canManage ? (\n                <input \n                  type=\"date\" \n                  value={formData.startDate} \n                  onInput={(e) => setFormData({ ...formData, startDate: e.currentTarget.value })}\n                  disabled={!canManage}\n                />\n              ) : (\n                <span className=\"readonly-value\">{formData.startDate || '-'}</span>\n              )}\n            </div>\n            <div className=\"form-group\">\n              <label>{t('End Date')} *</label>\n              {canManage ? (\n                <input \n                  type=\"date\" \n                  value={formData.endDate} \n                  onInput={(e) => setFormData({ ...formData, endDate: e.currentTarget.value })}\n                  disabled={!canManage}\n                />\n              ) : (\n                <span className=\"readonly-value\">{formData.endDate || '-'}</span>\n              )}\n            </div>\n          </div>\n\n          <div className=\"form-row\">\n            <div className=\"form-group\">\n              <label>{t('Start Period')}</label>\n              {canManage ? (\n                <select \n                  value={formData.startPeriodId} \n                  onChange={(e) => setFormData({ ...formData, startPeriodId: e.currentTarget.value })}\n                  disabled={!canManage}\n                >\n                  {periods.map(p => <option key={p.id} value={p.id}>{p.name}</option>)}\n                </select>\n              ) : (\n                <span className=\"readonly-value\">{periods.find(p => p.id === formData.startPeriodId)?.name || '-'}</span>\n              )}\n            </div>\n            <div className=\"form-group\">\n              <label>{t('End Period')}</label>\n              {canManage ? (\n                <select \n                  value={formData.endPeriodId} \n                  onChange={(e) => setFormData({ ...formData, endPeriodId: e.currentTarget.value })}\n                  disabled={!canManage}\n                >\n                  {periods.map(p => <option key={p.id} value={p.id}>{p.name}</option>)}\n                </select>\n              ) : (\n                <span className=\"readonly-value\">{periods.find(p => p.id === formData.endPeriodId)?.name || '-'}</span>\n              )}\n            </div>\n          </div>\n\n          <div className=\"form-row\">\n            <div className=\"form-group\">\n              <label>{t('Room')}</label>\n              {canManage ? (\n                <select \n                  value={formData.roomId} \n                  onChange={(e) => setFormData({ ...formData, roomId: e.currentTarget.value })}\n                  disabled={!canManage}\n                >\n                  <option value=\"\">{t('Select Room')}</option>\n                  {rooms.map(r => <option key={r.id} value={r.id}>{r.name}</option>)}\n                </select>\n              ) : (\n                <span className=\"readonly-value\">{rooms.find(r => r.id === formData.roomId)?.name || '-'}</span>\n              )}\n            </div>\n            <div className=\"form-group\">\n              <label>{t('Location (if no room)')}</label>\n              {canManage ? (\n                <input \n                  type=\"text\" \n                  value={formData.location} \n                  onInput={(e) => setFormData({ ...formData, location: e.currentTarget.value })}\n                  placeholder={t('e.g. Online, Gym')}\n                  disabled={!canManage}\n                />\n              ) : (\n                <span className=\"readonly-value\">{formData.location || '-'}</span>\n              )}\n            </div>\n          </div>\n\n          <div className=\"form-group\">\n            <label>{mainTeacherLabel}</label>\n            {canManage ? (\n              <select \n                value={formData.teacherId} \n                onChange={(e) => {\n                  const newTeacherId = e.currentTarget.value;\n                  setFormData({ \n                    ...formData, \n                    teacherId: newTeacherId,\n                    subTeacherIds: formData.subTeacherIds.filter(id => id !== newTeacherId)\n                  });\n                }}\n                disabled={!canManage}\n              >\n                <option value=\"\">{t('Select Teacher')}</option>\n                {teachers.map(t => <option key={t.id} value={t.id}>{t.name}</option>)}\n              </select>\n            ) : (\n              <span className=\"readonly-value\">{teachers.find(t => t.id === formData.teacherId)?.name || '-'}</span>\n            )}\n          </div>\n\n          <div className=\"form-group\">\n            <label>{subTeacherLabel}</label>\n            {canManage ? (\n              <div className=\"sub-teacher-list\">\n                {(() => {\n                  const list = teachers.filter(t => t.id !== formData.teacherId);\n                  const selected = list.filter(t => formData.subTeacherIds.includes(t.id));\n                  const unselected = list.filter(t => !formData.subTeacherIds.includes(t.id));\n                  return [...selected, ...unselected].map(t => (\n                    <label key={t.id} className={`sub-teacher-item ${formData.subTeacherIds.includes(t.id) ? 'selected' : ''} ${!canManage ? 'disabled' : ''}`}>\n                      <input \n                        type=\"checkbox\" \n                        checked={formData.subTeacherIds.includes(t.id)}\n                        onChange={() => toggleSubTeacher(t.id)}\n                        disabled={!canManage}\n                      />\n                      {t.name}\n                    </label>\n                  ));\n                })()}\n              </div>\n            ) : (\n              <span className=\"readonly-value\">\n                {teachers.filter(t => formData.subTeacherIds.includes(t.id)).map(t => t.name).join(', ') || '-'}\n              </span>\n            )}\n          </div>\n\n          <div className=\"form-group\">\n            <label>{labels.deliveryMethod}</label>\n            <div className=\"delivery-method-list\">\n              {(() => {\n                const selected = deliveryMethods.filter(m => formData.deliveryMethodIds.includes(m.id));\n                const unselected = deliveryMethods.filter(m => !formData.deliveryMethodIds.includes(m.id));\n                return [...selected, ...unselected].map(m => (\n                  <label key={m.id} className={`delivery-method-item ${formData.deliveryMethodIds.includes(m.id) ? 'selected' : ''} ${!canEditDeliveryMethod ? 'disabled' : ''}`}>\n                    <input \n                      type=\"checkbox\" \n                      checked={formData.deliveryMethodIds.includes(m.id)}\n                      onChange={() => toggleDeliveryMethod(m.id)}\n                      disabled={!canEditDeliveryMethod}\n                    />\n                    {m.name}\n                  </label>\n                ));\n              })()}\n              {deliveryMethods.length === 0 && (\n                <span className=\"empty-info\">{t('No methods defined')}</span>\n              )}\n            </div>\n          </div>\n        </div>\n\n        <div className=\"dialog-footer\">\n          {formData.id && (\n            <button className=\"delete-button\" onClick={handleDelete} disabled={!canManage}>{t('Delete')}</button>\n          )}\n          <div className=\"footer-right\">\n            <button className=\"cancel-button\" onClick={onClose}>{t('Cancel')}</button>\n            <button className=\"save-button\" onClick={handleSave} disabled={!canEditDeliveryMethod}>{t('Save Changes')}</button>\n          </div>\n        </div>\n      </div>\n    </div>\n  );\n}\n"
  }
}

MODEL ✨

I will check the backend implementation for lesson handling and the timetable component to see how lessons are displayed.Tool Command:

{
  "name": "read_file",
  "args": {
    "file_path": "backend/src/index.ts"
  }
}
```**Tool Command**:
```json
{
  "name": "read_file",
  "args": {
    "file_path": "src/components/Timetable.tsx"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "read_file_1775642998666_0",
  "name": "read_file",
  "response": {
    "output": "import dotenv from 'dotenv';\ndotenv.config();\n\nimport express from 'express';\nimport cors from 'cors';\nimport cookieParser from 'cookie-parser';\nimport bcrypt from 'bcryptjs';\nimport jwt from 'jsonwebtoken';\nimport { PrismaClient, UserRole, ResourceType } from '@prisma/client';\nimport { PrismaPg } from '@prisma/adapter-pg';\nimport pg from 'pg';\nimport { verifyToken, AuthRequest } from './authMiddleware';\n\nconst app = express();\nconst pool = new pg.Pool({ connectionString: process.env.DATABASE_URL });\nconst adapter = new PrismaPg(pool);\nconst prisma = new PrismaClient({ adapter });\nconst port = process.env.PORT || 3001;\nconst host = process.env.HOST || '0.0.0.0';\nconst JWT_SECRET = process.env.JWT_SECRET || 'fallback_secret';\nconst FRONTEND_URL = process.env.FRONTEND_URL || 'http://localhost:5173';\n\napp.use(cors({\n  origin: FRONTEND_URL,\n  credentials: true\n}));\napp.use(express.json());\napp.use(cookieParser());\n\n// --- Helper for Authorization ---\nconst canManageCourseLessons = async (userId: string, courseId: string): Promise<boolean> => {\n  const user = await prisma.user.findUnique({\n    where: { id: userId },\n    include: { resource: true }\n  });\n\n  if (!user) return false;\n  if (user.role === UserRole.ADMIN) return true;\n  if (user.role !== UserRole.TEACHER || !user.resource) return false;\n\n  const teacherResourceId = user.resource.id;\n\n  const course = await prisma.resource.findUnique({\n    where: { id: courseId },\n    include: { assistantTeachers: { select: { id: true } } }\n  });\n\n  if (!course || course.type !== ResourceType.course) return false;\n\n  const isChief = course.chiefTeacherId === teacherResourceId;\n  const isAssistant = course.assistantTeachers.some(t => t.id === teacherResourceId);\n\n  return isChief || isAssistant;\n};\n\n// --- Authentication Routes ---\n\n// ユーザー登録\napp.post('/api/auth/register', async (req, res) => {\n  const { email, password, role } = req.body;\n  try {\n    const settings = await prisma.systemSetting.findFirst();\n    if (settings && !settings.allowPublicSignup) {\n      return res.status(403).json({ error: 'Public signup is disabled' });\n    }\n\n    const hashedPassword = await bcrypt.hash(password, 10);\n    const user = await prisma.user.create({\n      data: {\n        email,\n        password: hashedPassword,\n        role: role || UserRole.STUDENT\n      }\n    });\n    res.json({ message: 'User created successfully', userId: user.id });\n  } catch (error) {\n    res.status(400).json({ error: 'User already exists or invalid data' });\n  }\n});\n\n// パスワード変更 (自分自身)\napp.post('/api/auth/change-password', verifyToken, async (req: AuthRequest, res) => {\n  const { currentPassword, newPassword } = req.body;\n  if (!req.user) return res.status(401).json({ error: 'Not authenticated' });\n\n  try {\n    const user = await prisma.user.findUnique({ where: { id: req.user.id } });\n    if (!user) return res.status(404).json({ error: 'User not found' });\n\n    const isValid = await bcrypt.compare(currentPassword, user.password);\n    if (!isValid) return res.status(400).json({ error: 'Invalid current password' });\n\n    const hashedPassword = await bcrypt.hash(newPassword, 10);\n    await prisma.user.update({\n      where: { id: user.id },\n      data: { password: hashedPassword }\n    });\n    res.json({ message: 'Password changed successfully' });\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to change password' });\n  }\n});\n\n// ログイン\napp.post('/api/auth/login', async (req, res) => {\n  const { email, password } = req.body;\n  try {\n    const user = await prisma.user.findUnique({ \n      where: { email },\n      include: { resource: { select: { id: true } } }\n    });\n    if (!user) return res.status(401).json({ error: 'Invalid credentials' });\n\n    const isValid = await bcrypt.compare(password, user.password);\n    if (!isValid) return res.status(401).json({ error: 'Invalid credentials' });\n\n    const token = jwt.sign({ id: user.id, role: user.role }, JWT_SECRET, { expiresIn: '24h' });\n    \n    // Cookie に保存\n    res.cookie('auth_token', token, {\n      httpOnly: true,\n      secure: process.env.NODE_ENV === 'production',\n      sameSite: 'lax', // または 'strict'\n      maxAge: 24 * 60 * 60 * 1000 // 24時間\n    });\n\n    res.json({\n      user: { id: user.id, email: user.email, role: user.role, resourceId: user.resource?.id }\n    });\n  } catch (error) {\n    res.status(500).json({ error: 'Login failed' });\n  }\n});\n\n// ログアウト\napp.post('/api/auth/logout', (req, res) => {\n  res.clearCookie('auth_token');\n  res.json({ message: 'Logged out successfully' });\n});\n\n// セッション確認 (自分自身の情報取得)\napp.get('/api/auth/me', verifyToken, async (req: AuthRequest, res) => {\n  if (!req.user) return res.status(401).json({ error: 'Not authenticated' });\n  try {\n    const user = await prisma.user.findUnique({\n      where: { id: req.user.id },\n      select: { \n        id: true, \n        email: true, \n        role: true, \n        resource: { select: { id: true } } \n      }\n    });\n    if (!user) return res.status(404).json({ error: 'User not found' });\n    res.json({\n      id: user.id,\n      email: user.email,\n      role: user.role,\n      resourceId: user.resource?.id\n    });\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to fetch user' });\n  }\n});\n\n// --- Protected Routes ---\n\n// 基本的なヘルスチェック\napp.get('/api/health', (req, res) => {\n  res.json({ status: 'ok', message: 'ScholaTile Backend is running' });\n});\n\n// リソース一覧取得 (認証必須)\napp.get('/api/resources', verifyToken, async (req, res) => {\n  try {\n    const resources = await prisma.resource.findMany({\n      include: {\n        subjects: true,\n        assistantTeachers: { select: { id: true } }\n      },\n      orderBy: { order: 'asc' }\n    });\n    res.json(resources);\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to fetch resources' });\n  }\n});\n\n// ユーザー一覧取得 (ADMIN権限)\napp.get('/api/users', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) {\n    return res.status(403).json({ error: 'Access denied. Admin role required.' });\n  }\n  try {\n    const users = await prisma.user.findMany({\n      select: { id: true, email: true, role: true }\n    });\n    res.json(users);\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to fetch users' });\n  }\n});\n\n// ユーザー作成・更新 (ADMIN権限)\napp.post('/api/users', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) {\n    return res.status(403).json({ error: 'Access denied. Admin role required.' });\n  }\n  const { id, email, password, role } = req.body;\n  try {\n    let user;\n    if (id) {\n      // 更新\n      const data: any = { email, role };\n      if (password) {\n        data.password = await bcrypt.hash(password, 10);\n      }\n      user = await prisma.user.update({\n        where: { id },\n        data,\n        select: { id: true, email: true, role: true }\n      });\n    } else {\n      // 新規作成\n      const hashedPassword = await bcrypt.hash(password, 10);\n      user = await prisma.user.create({\n        data: { email, password: hashedPassword, role },\n        select: { id: true, email: true, role: true }\n      });\n    }\n    res.json(user);\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to save user' });\n  }\n});\n\n// ユーザー削除 (ADMIN権限)\napp.delete('/api/users/:id', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) {\n    return res.status(403).json({ error: 'Access denied. Admin role required.' });\n  }\n  const { id } = req.params;\n  try {\n    // 自分自身は削除できないようにする\n    if (req.user.id === id) {\n      return res.status(400).json({ error: 'Cannot delete yourself' });\n    }\n    await prisma.user.delete({ where: { id } });\n    res.json({ message: 'User deleted successfully' });\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to delete user' });\n  }\n});\n\n// 管理者によるパスワードリセット (ADMIN権限)\napp.post('/api/users/:id/reset-password', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) {\n    return res.status(403).json({ error: 'Access denied. Admin role required.' });\n  }\n  const { id } = req.params;\n  const { newPassword } = req.body;\n  try {\n    const hashedPassword = await bcrypt.hash(newPassword, 10);\n    await prisma.user.update({\n      where: { id },\n      data: { password: hashedPassword }\n    });\n    res.json({ message: 'Password reset successfully' });\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to reset password' });\n  }\n});\n\n// システム設定取得\napp.get('/api/settings', async (req, res) => {\n  try {\n    let settings = await prisma.systemSetting.findFirst();\n    if (!settings) {\n      settings = await prisma.systemSetting.create({ \n        data: { \n          allowPublicSignup: true,\n          yearViewStartMonth: 4,\n          yearViewStartDay: 1\n        } \n      });\n    }\n    res.json(settings);\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to fetch settings' });\n  }\n});\n\n// システム設定更新 (ADMIN権限)\napp.post('/api/settings', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) {\n    return res.status(403).json({ error: 'Access denied. Admin role required.' });\n  }\n  const { allowPublicSignup, yearViewStartMonth, yearViewStartDay } = req.body;\n  try {\n    let settings = await prisma.systemSetting.findFirst();\n    if (settings) {\n      settings = await prisma.systemSetting.update({\n        where: { id: settings.id },\n        data: {\n          allowPublicSignup,\n          yearViewStartMonth: parseInt(yearViewStartMonth) || 4,\n          yearViewStartDay: parseInt(yearViewStartDay) || 1\n        }\n      });\n    } else {\n      settings = await prisma.systemSetting.create({\n        data: {\n          allowPublicSignup,\n          yearViewStartMonth: parseInt(yearViewStartMonth) || 4,\n          yearViewStartDay: parseInt(yearViewStartDay) || 1\n        }\n      });\n    }\n    res.json(settings);\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to save settings' });\n  }\n});\n\n// 教室の作成・更新 (ADMIN権限)\napp.post('/api/rooms', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) {\n    return res.status(403).json({ error: 'Access denied. Admin role required.' });\n  }\n  const { id, name, order } = req.body;\n  try {\n    let room;\n    if (id) {\n      room = await prisma.resource.update({\n        where: { id },\n        data: {\n          name,\n          order: order || 0\n        }\n      });\n    } else {\n      room = await prisma.resource.create({\n        data: {\n          name,\n          type: ResourceType.room,\n          order: order || 0\n        }\n      });\n    }\n    res.json(room);\n  } catch (error) {\n    console.error('Failed to save room:', error);\n    res.status(500).json({ error: 'Failed to save room' });\n  }\n});\n\n// 教室の削除 (ADMIN権限)\napp.delete('/api/rooms/:id', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) {\n    return res.status(403).json({ error: 'Access denied. Admin role required.' });\n  }\n  const { id } = req.params;\n  try {\n    await prisma.resource.delete({\n      where: { id }\n    });\n    res.json({ message: 'Room deleted successfully' });\n  } catch (error) {\n    console.error('Failed to delete room:', error);\n    res.status(500).json({ error: 'Failed to delete room' });\n  }\n});\n\n// 講師の作成・更新 (ADMIN権限)\napp.post('/api/teachers', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) {\n    return res.status(403).json({ error: 'Access denied. Admin role required.' });\n  }\n  const { id, name, order, userId } = req.body;\n  try {\n    let teacher;\n    if (id) {\n      teacher = await prisma.resource.update({\n        where: { id },\n        data: {\n          name,\n          order: order || 0,\n          userId: userId || null\n        }\n      });\n    } else {\n      teacher = await prisma.resource.create({\n        data: {\n          name,\n          type: ResourceType.teacher,\n          order: order || 0,\n          userId: userId || null\n        }\n      });\n    }\n    res.json(teacher);\n  } catch (error) {\n    console.error('Failed to save teacher:', error);\n    res.status(500).json({ error: 'Failed to save teacher' });\n  }\n});\n\n// 講師の削除 (ADMIN権限)\napp.delete('/api/teachers/:id', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) {\n    return res.status(403).json({ error: 'Access denied. Admin role required.' });\n  }\n  const { id } = req.params;\n  try {\n    await prisma.resource.delete({\n      where: { id }\n    });\n    res.json({ message: 'Teacher deleted successfully' });\n  } catch (error) {\n    console.error('Failed to delete teacher:', error);\n    res.status(500).json({ error: 'Failed to delete teacher' });\n  }\n});\n\n// 講座の作成・更新 (ADMIN権限)\napp.post('/api/courses', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) {\n    return res.status(403).json({ error: 'Access denied. Admin role required.' });\n  }\n  const { id, name, order, startDate, endDate, subjects, mainRoomId, chiefTeacherId, assistantTeacherIds, mainTeacherLabel, subTeacherLabel } = req.body;\n  try {\n    let course;\n    const commonData = {\n      name,\n      order: order || 0,\n      startDate,\n      endDate,\n      mainRoomId: mainRoomId || null,\n      chiefTeacherId: chiefTeacherId || null,\n      mainTeacherLabel: mainTeacherLabel || null,\n      subTeacherLabel: subTeacherLabel || null,\n      subjects: {\n        deleteMany: {},\n        create: subjects.map((s: any) => ({\n          name: s.name,\n          totalPeriods: s.totalPeriods\n        }))\n      }\n    };\n\n    const subTeachersConnect = assistantTeacherIds?.map((tid: string) => ({ id: tid })) || [];\n\n    if (id) {\n      // 更新\n      course = await prisma.resource.update({\n        where: { id },\n        data: {\n          ...commonData,\n          assistantTeachers: {\n            set: [],\n            connect: subTeachersConnect\n          }\n        },\n        include: { subjects: true, assistantTeachers: true }\n      });\n    } else {\n      // 新規作成\n      course = await prisma.resource.create({\n        data: {\n          ...commonData,\n          type: ResourceType.course,\n          assistantTeachers: {\n            connect: subTeachersConnect\n          }\n        },\n        include: { subjects: true, assistantTeachers: true }\n      });\n    }\n    res.json(course);\n  } catch (error) {\n    console.error('Failed to save course:', error);\n    res.status(500).json({ error: 'Failed to save course' });\n  }\n});\n\n// 講座の削除 (ADMIN権限)\napp.delete('/api/courses/:id', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) {\n    return res.status(403).json({ error: 'Access denied. Admin role required.' });\n  }\n  const { id } = req.params;\n  try {\n    await prisma.resource.delete({\n      where: { id }\n    });\n    res.json({ message: 'Course deleted successfully' });\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to delete course' });\n  }\n});\n\n// 講座の複製 (ADMIN権限)\napp.post('/api/courses/:id/duplicate', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) {\n    return res.status(403).json({ error: 'Access denied. Admin role required.' });\n  }\n  const { id } = req.params;\n  try {\n    // 元の講座を取得 (関連する課目、サブ講師も含む)\n    const original = await prisma.resource.findUnique({\n      where: { id },\n      include: {\n        subjects: true,\n        assistantTeachers: true\n      }\n    });\n\n    if (!original || original.type !== ResourceType.course) {\n      return res.status(404).json({ error: 'Course not found' });\n    }\n\n    // 新しい講座の作成 (トランザクションを使用)\n    const duplicated = await prisma.$transaction(async (tx) => {\n      // 1. 講座リソースを新規作成\n      const newCourse = await tx.resource.create({\n        data: {\n          name: `(Copy) ${original.name}`,\n          type: ResourceType.course,\n          order: (original.order || 0) + 1, // 元の講座の次の位置に配置\n          startDate: original.startDate,\n          endDate: original.endDate,\n          mainRoomId: original.mainRoomId,\n          chiefTeacherId: original.chiefTeacherId,\n          mainTeacherLabel: original.mainTeacherLabel,\n          subTeacherLabel: original.subTeacherLabel,\n          assistantTeachers: {\n            connect: original.assistantTeachers.map(t => ({ id: t.id }))\n          }\n        }\n      });\n\n      // 2. 課目を複製\n      if (original.subjects.length > 0) {\n        await tx.courseSubject.createMany({\n          data: original.subjects.map(s => ({\n            name: s.name,\n            totalPeriods: s.totalPeriods,\n            resourceId: newCourse.id\n          }))\n        });\n      }\n\n      return await tx.resource.findUnique({\n        where: { id: newCourse.id },\n        include: { subjects: true, assistantTeachers: true }\n      });\n    });\n\n    res.json(duplicated);\n  } catch (error) {\n    console.error('Failed to duplicate course:', error);\n    res.status(500).json({ error: 'Failed to duplicate course' });\n  }\n});\n\n// 授業一覧取得 (認証必須)\napp.get('/api/lessons', verifyToken, async (req, res) => {\n  try {\n    const lessons = await prisma.lesson.findMany({\n      include: {\n        subTeachers: {\n          select: { id: true }\n        },\n        deliveryMethods: {\n          select: { id: true, name: true, color: true }\n        }\n      }\n    });\n    res.json(lessons);\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to fetch lessons' });\n  }\n});\n\n// 授業の作成・更新 (ADMIN / Course Chief or Assistant Teacher)\napp.post('/api/lessons', verifyToken, async (req: AuthRequest, res) => {\n  if (!req.user) return res.status(401).json({ error: 'Not authenticated' });\n  \n  const { id, subject, teacherId, subTeacherIds, roomId, courseId, location, startDate, startPeriodId, endDate, endPeriodId, deliveryMethodIds } = req.body;\n\n  try {\n    // 権限チェック\n    if (id) {\n      // 更新時: 現在の授業の講座に対して権限があるか\n      const currentLesson = await prisma.lesson.findUnique({ \n        where: { id },\n        include: { subTeachers: { select: { id: true } } }\n      });\n      if (!currentLesson) return res.status(404).json({ error: 'Lesson not found' });\n      \n      const hasPermissionToCurrent = await canManageCourseLessons(req.user.id, currentLesson.courseId);\n      \n      // 追加: 授業の担当講師（メインまたはサブ）であれば、授業方式のみ変更可能とするためのフラグ\n      let onlyDeliveryMethodAllowed = false;\n      if (!hasPermissionToCurrent && req.user.role === UserRole.TEACHER) {\n        const user = await prisma.user.findUnique({\n          where: { id: req.user.id },\n          include: { resource: true }\n        });\n        const teacherResourceId = user?.resource?.id;\n        if (teacherResourceId) {\n          const isMain = currentLesson.teacherId === teacherResourceId;\n          const isSub = currentLesson.subTeachers.some(t => t.id === teacherResourceId);\n          if (isMain || isSub) {\n            onlyDeliveryMethodAllowed = true;\n          }\n        }\n      }\n\n      if (!hasPermissionToCurrent && !onlyDeliveryMethodAllowed) {\n        return res.status(403).json({ error: 'Access denied.' });\n      }\n\n      // 講座が変更される場合、変更先への権限もチェック\n      if (courseId && courseId !== currentLesson.courseId) {\n        if (onlyDeliveryMethodAllowed) {\n           return res.status(403).json({ error: 'Access denied. You can only change delivery methods for this lesson.' });\n        }\n        const hasPermissionToNew = await canManageCourseLessons(req.user.id, courseId);\n        if (!hasPermissionToNew) return res.status(403).json({ error: 'Access denied to new course.' });\n      }\n\n      // 権限が「授業方式のみ」の場合、他のフィールドが変更されていないかチェック\n      if (onlyDeliveryMethodAllowed) {\n        const isOtherFieldChanged = \n          subject !== currentLesson.subject ||\n          teacherId !== currentLesson.teacherId ||\n          roomId !== currentLesson.roomId ||\n          location !== currentLesson.location ||\n          startDate !== currentLesson.startDate ||\n          startPeriodId !== currentLesson.startPeriodId ||\n          endDate !== currentLesson.endDate ||\n          endPeriodId !== currentLesson.endPeriodId ||\n          // サブ講師の変更チェック (簡易的)\n          (subTeacherIds && (\n            subTeacherIds.length !== currentLesson.subTeachers.length ||\n            !subTeacherIds.every((id: string) => currentLesson.subTeachers.some(t => t.id === id))\n          ));\n        \n        if (isOtherFieldChanged) {\n          return res.status(403).json({ error: 'Access denied. You can only change delivery methods for this lesson.' });\n        }\n      }\n    } else {\n      // 新規作成時: 指定された講座に対して権限があるか\n      if (!courseId) return res.status(400).json({ error: 'courseId is required' });\n      const hasPermission = await canManageCourseLessons(req.user.id, courseId);\n      if (!hasPermission) return res.status(403).json({ error: 'Access denied.' });\n    }\n\n    const subTeachersConnect = subTeacherIds?.map((tid: string) => ({ id: tid })) || [];\n    const deliveryMethodsConnect = deliveryMethodIds?.map((did: string) => ({ id: did })) || [];\n    \n    // 共通のデータ\n    const commonData = {\n      subject,\n      location: location || null,\n      startDate,\n      startPeriodId,\n      endDate,\n      endPeriodId,\n    };\n\n    if (id) {\n      // 更新 (Update)\n      const data: any = {\n        ...commonData,\n        course: { connect: { id: courseId } },\n        subTeachers: {\n          set: [],\n          connect: subTeachersConnect\n        },\n        deliveryMethods: {\n          set: [],\n          connect: deliveryMethodsConnect\n        }\n      };\n\n      if (teacherId) {\n        data.teacher = { connect: { id: teacherId } };\n      } else {\n        data.teacher = { disconnect: true };\n      }\n\n      if (roomId) {\n        data.room = { connect: { id: roomId } };\n      } else {\n        data.room = { disconnect: true };\n      }\n\n      const lesson = await prisma.lesson.update({\n        where: { id },\n        data,\n        include: { subTeachers: true, deliveryMethods: true }\n      });\n      res.json(lesson);\n    } else {\n      // 新規作成 (Create)\n      const data: any = {\n        ...commonData,\n        course: { connect: { id: courseId } },\n        subTeachers: {\n          connect: subTeachersConnect\n        },\n        deliveryMethods: {\n          connect: deliveryMethodsConnect\n        }\n      };\n\n      if (teacherId) {\n        data.teacher = { connect: { id: teacherId } };\n      }\n      if (roomId) {\n        data.room = { connect: { id: roomId } };\n      }\n\n      const lesson = await prisma.lesson.create({\n        data,\n        include: { subTeachers: true, deliveryMethods: true }\n      });\n      res.json(lesson);\n    }\n  } catch (error) {\n    console.error('Failed to save lesson:', error);\n    res.status(500).json({ error: 'Failed to save lesson' });\n  }\n});\n\n// 授業方式一覧取得\napp.get('/api/delivery-methods', verifyToken, async (req, res) => {\n  try {\n    const methods = await prisma.deliveryMethod.findMany({\n      orderBy: { order: 'asc' }\n    });\n    res.json(methods);\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to fetch delivery methods' });\n  }\n});\n\n// 授業方式の一括更新/作成 (ADMIN権限)\napp.post('/api/delivery-methods', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) {\n    return res.status(403).json({ error: 'Access denied. Admin role required.' });\n  }\n  const { methods } = req.body;\n  try {\n    await prisma.$transaction(async (tx) => {\n      // 既存のIDリストを取得\n      const existingMethods = await tx.deliveryMethod.findMany();\n      const existingIds = existingMethods.map(m => m.id);\n      const incomingIds = methods.filter((m: any) => m.id).map((m: any) => m.id);\n\n      // 削除されたものを特定して削除\n      const idsToDelete = existingIds.filter(id => !incomingIds.includes(id));\n      if (idsToDelete.length > 0) {\n        await tx.deliveryMethod.deleteMany({ where: { id: { in: idsToDelete } } });\n      }\n\n      // 更新または新規作成\n      for (let i = 0; i < methods.length; i++) {\n        const m = methods[i];\n        if (m.id) {\n          await tx.deliveryMethod.update({\n            where: { id: m.id },\n            data: { name: m.name, color: m.color, order: i }\n          });\n        } else {\n          await tx.deliveryMethod.create({\n            data: { name: m.name, color: m.color, order: i }\n          });\n        }\n      }\n    });\n\n    const updated = await prisma.deliveryMethod.findMany({\n      orderBy: { order: 'asc' }\n    });\n    res.json(updated);\n  } catch (error) {\n    console.error('Failed to save delivery methods:', error);\n    res.status(500).json({ error: 'Failed to save delivery methods' });\n  }\n});\n\n// 授業の削除 (ADMIN / Course Chief or Assistant Teacher)\napp.delete('/api/lessons/:id', verifyToken, async (req: AuthRequest, res) => {\n  if (!req.user) return res.status(401).json({ error: 'Not authenticated' });\n  const { id } = req.params;\n  try {\n    const lesson = await prisma.lesson.findUnique({ where: { id } });\n    if (!lesson) return res.status(404).json({ error: 'Lesson not found' });\n\n    const hasPermission = await canManageCourseLessons(req.user.id, lesson.courseId);\n    if (!hasPermission) return res.status(403).json({ error: 'Access denied.' });\n\n    await prisma.lesson.delete({ where: { id } });\n    res.json({ message: 'Lesson deleted successfully' });\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to delete lesson' });\n  }\n});\n\n// イベント一覧取得 (認証必須)\napp.get('/api/events', verifyToken, async (req, res) => {\n  try {\n    const events = await prisma.scheduleEvent.findMany({\n      include: {\n        resources: {\n          select: { id: true }\n        }\n      }\n    });\n    res.json(events);\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to fetch events' });\n  }\n});\n\n// iCalendar (.ics) エクスポート\napp.get('/api/resources/:id/icalendar', verifyToken, async (req: AuthRequest, res) => {\n  if (!req.user) return res.status(401).json({ error: 'Not authenticated' });\n  const { id } = req.params;\n  const { start, end } = req.query;\n\n  try {\n    const resource = await prisma.resource.findUnique({\n      where: { id },\n      include: { user: true }\n    });\n\n    if (!resource) return res.status(404).json({ error: 'Resource not found' });\n\n    // 権限チェック: ADMIN または 紐付けられたユーザー本人\n    if (req.user.role !== UserRole.ADMIN && resource.userId !== req.user.id) {\n      return res.status(403).json({ error: 'Access denied.' });\n    }\n\n    // 期間内の授業とイベントを取得\n    const whereClause: any = {};\n    if (start && end) {\n      whereClause.startDate = { gte: String(start) };\n      whereClause.endDate = { lte: String(end) };\n    }\n\n    const [lessons, events, periods] = await Promise.all([\n      prisma.lesson.findMany({\n        where: { \n          ...whereClause,\n          OR: [\n            { teacherId: id },\n            { subTeachers: { some: { id } } }\n          ]\n        },\n        include: { course: true }\n      }),\n      prisma.scheduleEvent.findMany({\n        where: {\n          ...whereClause,\n          resources: { some: { id } }\n        }\n      }),\n      prisma.timePeriod.findMany({ orderBy: { order: 'asc' } })\n    ]);\n\n    // ics ファイルの生成\n    let ics = [\n      'BEGIN:VCALENDAR',\n      'VERSION:2.0',\n      'PRODID:-//ScholaTile//NONSGML v1.0//EN',\n      'CALSCALE:GREGORIAN',\n      'METHOD:PUBLISH',\n      'X-WR-CALNAME:ScholaTile Schedule',\n      'X-WR-TIMEZONE:Asia/Tokyo'\n    ];\n\n    const formatICSDate = (dateStr: string, periodId: string, isEnd: boolean) => {\n      const period = periods.find(p => p.id === periodId);\n      const time = isEnd ? (period?.endTime || '23:59') : (period?.startTime || '00:00');\n      // YYYY-MM-DD と HH:mm を結合して YYYYMMDDTHHmmSS 形式にする\n      const d = dateStr.replace(/-/g, '');\n      const t = time.replace(/:/g, '') + '00';\n      return `${d}T${t}`;\n    };\n\n    // 授業の追加\n    lessons.forEach(l => {\n      ics.push('BEGIN:VEVENT');\n      ics.push(`UID:lesson-${l.id}@scholatile`);\n      ics.push(`DTSTAMP:${new Date().toISOString().replace(/[-:]/g, '').split('.')[0]}Z`);\n      ics.push(`DTSTART;TZID=Asia/Tokyo:${formatICSDate(l.startDate, l.startPeriodId, false)}`);\n      ics.push(`DTEND;TZID=Asia/Tokyo:${formatICSDate(l.endDate, l.endPeriodId, true)}`);\n      ics.push(`SUMMARY:${l.subject} (${l.course.name})`);\n      if (l.location) ics.push(`LOCATION:${l.location}`);\n      ics.push('END:VEVENT');\n    });\n\n    // イベントの追加\n    events.forEach(e => {\n      ics.push('BEGIN:VEVENT');\n      ics.push(`UID:event-${e.id}@scholatile`);\n      ics.push(`DTSTAMP:${new Date().toISOString().replace(/[-:]/g, '').split('.')[0]}Z`);\n      ics.push(`DTSTART;TZID=Asia/Tokyo:${formatICSDate(e.startDate, e.startPeriodId, false)}`);\n      ics.push(`DTEND;TZID=Asia/Tokyo:${formatICSDate(e.endDate, e.endPeriodId, true)}`);\n      ics.push(`SUMMARY:${e.name}`);\n      if (e.location) ics.push(`LOCATION:${e.location}`);\n      ics.push('END:VEVENT');\n    });\n\n    ics.push('END:VCALENDAR');\n\n    res.setHeader('Content-Type', 'text/calendar; charset=utf-8');\n    res.setHeader('Content-Disposition', `attachment; filename=\"schedule-${id}.ics\"`);\n    res.send(ics.join('\\r\\n'));\n\n  } catch (error) {\n    console.error('Failed to export iCalendar:', error);\n    res.status(500).json({ error: 'Failed to export iCalendar' });\n  }\n});\n\n// 行事の作成・更新 (ADMIN/TEACHER権限)\napp.post('/api/events', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN && req.user?.role !== UserRole.TEACHER) {\n    return res.status(403).json({ error: 'Access denied. Admin or Teacher role required.' });\n  }\n  const { id, name, startDate, startPeriodId, endDate, endPeriodId, color, location, showInEventRow, resourceIds } = req.body;\n  try {\n    const resourceConnect = resourceIds?.map((rid: string) => ({ id: rid })) || [];\n    let event;\n\n    if (id) {\n      // 更新\n      event = await prisma.scheduleEvent.update({\n        where: { id },\n        data: {\n          name,\n          startDate,\n          startPeriodId,\n          endDate,\n          endPeriodId,\n          color,\n          location: location || null,\n          showInEventRow: showInEventRow ?? true,\n          resources: {\n            set: [], // 一旦クリア\n            connect: resourceConnect\n          }\n        },\n        include: { resources: true }\n      });\n    } else {\n      // 新規作成\n      event = await prisma.scheduleEvent.create({\n        data: {\n          name,\n          startDate,\n          startPeriodId,\n          endDate,\n          endPeriodId,\n          color,\n          location: location || null,\n          showInEventRow: showInEventRow ?? true,\n          resources: {\n            connect: resourceConnect\n          }\n        },\n        include: { resources: true }\n      });\n    }\n    res.json(event);\n  } catch (error) {\n    console.error('Failed to save event:', error);\n    res.status(500).json({ error: 'Failed to save event' });\n  }\n});\n\n// 行事の削除 (ADMIN/TEACHER権限)\napp.delete('/api/events/:id', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN && req.user?.role !== UserRole.TEACHER) {\n    return res.status(403).json({ error: 'Access denied. Admin or Teacher role required.' });\n  }\n  const { id } = req.params;\n  try {\n    await prisma.scheduleEvent.delete({\n      where: { id }\n    });\n    res.json({ message: 'Event deleted successfully' });\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to delete event' });\n  }\n});\n\n// 祝日一覧取得 (認証必須)\napp.get('/api/holidays', verifyToken, async (req, res) => {\n  try {\n    const holidays = await prisma.holiday.findMany();\n    res.json(holidays);\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to fetch holidays' });\n  }\n});\n\n// 祝日作成 (ADMIN のみ)\napp.post('/api/holidays', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) return res.status(403).json({ error: 'Forbidden' });\n  const { name, date, start, end } = req.body;\n  try {\n    const holiday = await prisma.holiday.create({\n      data: { name, date, start, end }\n    });\n    res.json(holiday);\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to create holiday' });\n  }\n});\n\n// 祝日更新 (ADMIN のみ)\napp.put('/api/holidays/:id', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) return res.status(403).json({ error: 'Forbidden' });\n  const { id } = req.params;\n  const { name, date, start, end } = req.body;\n  try {\n    const holiday = await prisma.holiday.update({\n      where: { id },\n      data: { name, date, start, end }\n    });\n    res.json(holiday);\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to update holiday' });\n  }\n});\n\n// 祝日削除 (ADMIN のみ)\napp.delete('/api/holidays/:id', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) return res.status(403).json({ error: 'Forbidden' });\n  const { id } = req.params;\n  try {\n    await prisma.holiday.delete({ where: { id } });\n    res.json({ message: 'Holiday deleted successfully' });\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to delete holiday' });\n  }\n});\n\n// Nager.Date からのインポート (ADMIN のみ)\napp.post('/api/holidays/import-nager', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) return res.status(403).json({ error: 'Forbidden' });\n  const { year, countryCode } = req.body;\n  try {\n    const response = await fetch(`https://date.nager.at/api/v3/PublicHolidays/${year}/${countryCode}`);\n    if (!response.ok) throw new Error('Nager.Date API failed');\n    const nagerHolidays: any[] = await response.json();\n    \n    const holidays = await Promise.all(nagerHolidays.map(nh => \n      prisma.holiday.create({\n        data: {\n          name: nh.localName || nh.name,\n          date: nh.date\n        }\n      })\n    ));\n    res.json(holidays);\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to import holidays from Nager.Date' });\n  }\n});\n\n// JSON ファイルからのインポート (ADMIN のみ)\napp.post('/api/holidays/import-json', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) return res.status(403).json({ error: 'Forbidden' });\n  const { holidays: nagerHolidays } = req.body;\n  try {\n    const holidays = await Promise.all(nagerHolidays.map((nh: any) => \n      prisma.holiday.create({\n        data: {\n          name: nh.localName || nh.name,\n          date: nh.date\n        }\n      })\n    ));\n    res.json(holidays);\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to import holidays from JSON' });\n  }\n});\n\n// 時限一覧取得 (認証必須)\napp.get('/api/periods', verifyToken, async (req, res) => {\n  try {\n    const periods = await prisma.timePeriod.findMany({\n      orderBy: { order: 'asc' }\n    });\n    res.json(periods);\n  } catch (error) {\n    console.error('Error fetching periods:', error);\n    res.status(500).json({ error: 'Failed to fetch time periods' });\n  }\n});\n\n// 時限の更新/作成 (ADMIN権限)\napp.post('/api/periods', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) {\n    return res.status(403).json({ error: 'Access denied. Admin role required.' });\n  }\n  const { periods } = req.body;\n  try {\n    // 既存の時限を全削除して再作成（単純化のため）\n    await prisma.$transaction([\n      prisma.timePeriod.deleteMany(),\n      prisma.timePeriod.createMany({\n        data: periods.map((p: any, idx: number) => ({\n          id: `p${idx + 1}`,\n          name: p.name,\n          startTime: p.startTime,\n          endTime: p.endTime,\n          order: idx + 1\n        }))\n      })\n    ]);\n    const newPeriods = await prisma.timePeriod.findMany({\n      orderBy: { order: 'asc' }\n    });\n    res.json(newPeriods);\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to update time periods' });\n  }\n});\n\n// リソースラベル取得 (認証必須)\napp.get('/api/labels', verifyToken, async (req, res) => {\n  try {\n    const label = await prisma.resourceLabel.findFirst();\n    if (label) {\n      if (!label.deliveryMethod) (label as any).deliveryMethod = \"Delivery Method\";\n      if (!label.mainRoom) (label as any).mainRoom = \"Main Room\";\n      if (!label.subject) (label as any).subject = \"Subject\";\n    }\n    res.json(label);\n  } catch (error) {\n    res.status(500).json({ error: 'Failed to fetch resource labels' });\n  }\n});\n\n// リソースラベル更新 (ADMIN権限)\napp.post('/api/labels', verifyToken, async (req: AuthRequest, res) => {\n  if (req.user?.role !== UserRole.ADMIN) {\n    return res.status(403).json({ error: 'Access denied. Admin role required.' });\n  }\n  const { labels } = req.body;\n  // id が含まれている場合は削除（Prismaの更新エラー回避）\n  const { id, ...labelData } = labels;\n\n  try {\n    const existing = await prisma.resourceLabel.findFirst();\n    let updated;\n    if (existing) {\n      updated = await prisma.resourceLabel.update({\n        where: { id: existing.id },\n        data: labelData\n      });\n    } else {\n      updated = await prisma.resourceLabel.create({\n        data: labelData\n      });\n    }\n    res.json(updated);\n  } catch (error) {\n    console.error('Failed to update resource labels:', error);\n    res.status(500).json({ error: 'Failed to update resource labels' });\n  }\n});\n\napp.listen(Number(port), host, () => {\n  console.log(`Backend server is running on http://${host}:${port}`);\n});\n"
  }
}
```**Tool Response**:
```json
{
  "id": "read_file_1775642998666_1",
  "name": "read_file",
  "response": {
    "output": "import { TimePeriod, Resource, Lesson, ResourceType, ViewType, Holiday, ResourceLabels, ScheduleEvent, SystemSetting } from '../types';\nimport { format, addDays, isSameDay, parseISO, getYear, differenceInDays, isWithinInterval, isBefore, isAfter, startOfDay } from 'date-fns';\nimport './Timetable.css';\nimport { useTranslation } from 'react-i18next';\nimport { JSX } from 'preact';\n\ninterface Props {\n  periods: TimePeriod[];\n  resources: Resource[];\n  lessons: Lesson[];\n  events: ScheduleEvent[];\n  viewMode: ResourceType;\n  viewType: ViewType;\n  baseDate: Date;\n  holidays: Holiday[];\n  labels: ResourceLabels;\n  systemSettings: SystemSetting | null;\n  onEventClick?: (event: ScheduleEvent) => void;\n  onEmptyEventClick?: (date: string, periodId: string) => void;\n  onLessonClick?: (lesson: Lesson) => void;\n  onEmptyResourceCellClick?: (resourceId: string, date: string, periodId: string) => void;\n}\n\nexport function Timetable({ \n  periods, resources, lessons, events, viewMode, viewType, baseDate, holidays, labels, systemSettings,\n  onEventClick, onEmptyEventClick, onLessonClick, onEmptyResourceCellClick \n}: Props) {\n  const { t } = useTranslation();\n  const locale = navigator.language;\n  const dateFormatter = new Intl.DateTimeFormat(locale, { month: 'short', day: 'numeric', weekday: 'short' });\n\n  const getResourceName = (id: string) => {\n    const res = resources.find(r => r.id === id);\n    return res ? t(res.name) : id;\n  };\n\n  const currentViewStart = startOfDay(baseDate);\n\n  const getHoliday = (date: Date) => {\n    const target = startOfDay(date);\n    return holidays.find(h => {\n      if (h.date) return isSameDay(target, startOfDay(parseISO(h.date)));\n      if (h.start && h.end) {\n        const start = startOfDay(parseISO(h.start));\n        const end = startOfDay(parseISO(h.end));\n        return (isSameDay(target, start) || isAfter(target, start)) && \n               (isSameDay(target, end) || isBefore(target, end));\n      }\n      return false;\n    });\n  };\n\n  const getDayCount = () => {\n    if (viewType === 'day') return 1;\n    if (viewType === 'week') return 7;\n    if (viewType === 'month') return 30;\n    if (viewType === 'year') {\n      const month = systemSettings?.yearViewStartMonth ?? 4;\n      const day = systemSettings?.yearViewStartDay ?? 1;\n      \n      const start = new Date(getYear(baseDate), month - 1, day);\n      const end = new Date(getYear(baseDate) + 1, month - 1, day);\n      return differenceInDays(end, start);\n    }\n    return 1;\n  };\n\n  const dayCount = getDayCount();\n  const displayDates = Array.from({ length: dayCount }).map((_, i) => addDays(currentViewStart, i));\n  const currentViewEnd = startOfDay(displayDates[displayDates.length - 1]);\n\n  const filteredResources = resources\n    .filter(r => r.type === viewMode)\n    .sort((a, b) => (a.order ?? 0) - (b.order ?? 0));\n\n  const isDayView = viewType === 'day';\n  const colWidthNum = isDayView ? 60 : 50;\n  const colWidth = isDayView ? '1fr' : `${colWidthNum}px`;\n  const totalCols = displayDates.length * periods.length;\n  const totalWidth = 150 + totalCols * colWidthNum;\n\n  const gridStyle = {\n    '--col-width': isDayView ? 'auto' : colWidth,\n    display: 'grid',\n    width: isDayView ? '100%' : 'fit-content',\n    minWidth: isDayView ? '0' : `${totalWidth}px`,\n    gridTemplateColumns: `150px repeat(${totalCols}, ${colWidth})`,\n    gridTemplateRows: `40px 30px 80px repeat(${filteredResources.length || 0}, 80px)`,\n  } as JSX.CSSProperties;\n\n  const stickyLeft = { position: 'sticky', left: 0 } as JSX.CSSProperties;\n\n  const dateHeaders = displayDates.map((date, dIdx) => {\n    const holiday = getHoliday(date);\n    const isSun = date.getDay() === 0;\n    const isSat = date.getDay() === 6;\n    const isFirstOfMonth = date.getDate() === 1;\n\n    let className = 'date-header';\n    if (isSun) className += ' is-sunday';\n    if (isSat) className += ' is-saturday';\n    if (holiday) className += ' is-holiday';\n    if (isFirstOfMonth) className += ' month-start';\n\n    return (\n      <div key={`date-${date.toISOString()}`} \n           className={className} \n           style={{ gridColumn: `${dIdx * periods.length + 2} / span ${periods.length}`, gridRow: 1 }}\n           title={holiday ? holiday.name : undefined}\n      >\n        {dateFormatter.format(date)}\n      </div>\n    );\n    });\n\n    const periodHeaders = displayDates.flatMap((date, dIdx) => \n    periods.map((p, pIdx) => {\n      const isSun = date.getDay() === 0;\n      const isSat = date.getDay() === 6;\n      const holiday = getHoliday(date);\n      let className = 'period-header';\n      if (isSun) className += ' is-sunday';\n      if (isSat) className += ' is-saturday';\n      if (holiday) className += ' is-holiday';\n      return (\n        <div key={`period-${date.toISOString()}-${p.id}`} \n             className={className} \n             style={{ gridColumn: dIdx * periods.length + pIdx + 2, gridRow: 2 }}>\n          {p.name}\n        </div>\n      );\n    })\n    );\n\n  const eventLabel = (\n    <div key=\"label-event\" className=\"event-label\" style={{ ...stickyLeft, gridColumn: 1, gridRow: 3 }}>\n      {labels.event}\n    </div>\n  );\n\n  const eventCells = displayDates.flatMap((date, dIdx) => {\n    const holiday = getHoliday(date);\n    const isSun = date.getDay() === 0;\n    const isSat = date.getDay() === 6;\n    let className = 'grid-cell event-cell';\n    if (isSun) className += ' is-sunday';\n    if (isSat) className += ' is-saturday';\n    if (holiday) className += ' is-holiday';\n\n    const dateStr = format(date, 'yyyy-MM-dd');\n\n    return periods.map((p, pIdx) => (\n      <div key={`event-cell-${dIdx}-${pIdx}`} \n           className={className} \n           style={{ gridColumn: dIdx * periods.length + pIdx + 2, gridRow: 3 }}\n           onDblClick={() => onEmptyEventClick?.(dateStr, p.id)} />\n    ));\n  });\n\n  // 行内での重なりを計算する汎用関数\n  const calculateLayout = (items: { id: string, start: number, end: number }[]) => {\n    if (items.length === 0) return [];\n    const placements: { id: string, start: number, end: number, level: number, maxLevelInGroup: number }[] = [];\n    const sortedItems = [...items].sort((a, b) => a.start - b.start || (b.end - b.start) - (a.end - a.start));\n    sortedItems.forEach(item => {\n      let level = 0;\n      while (placements.some(p => p.level === level && !(item.end < p.start || item.start > p.end))) {\n        level++;\n      }\n      placements.push({ ...item, level, maxLevelInGroup: 0 });\n    });\n    placements.forEach(p => {\n      const overlapping = placements.filter(other => !(p.end < other.start || p.start > other.end));\n      p.maxLevelInGroup = Math.max(...overlapping.map(o => o.level)) + 1;\n    });\n    return placements;\n  };\n\n  // --- 行事行（row 3）のデータ準備 ---\n  const row3Items: { id: string, start: number, end: number, type: 'holiday' | 'event', data: any }[] = [];\n  displayDates.forEach((date, dIdx) => {\n    const holiday = getHoliday(date);\n    if (!holiday) return;\n    if (holiday.date && isSameDay(date, startOfDay(parseISO(holiday.date)))) {\n      const startCol = dIdx * periods.length + 2;\n      const endCol = dIdx * periods.length + periods.length + 2;\n      row3Items.push({ id: `holiday-${date.toISOString()}`, start: startCol, end: endCol - 1, type: 'holiday', data: holiday });\n    } else if (holiday.start && holiday.end) {\n      const hStart = startOfDay(parseISO(holiday.start));\n      const hEnd = startOfDay(parseISO(holiday.end));\n      if (isSameDay(date, hStart) || (isSameDay(date, displayDates[0]) && isAfter(date, hStart) && isBefore(date, hEnd))) {\n        const actualStart = isAfter(hStart, displayDates[0]) ? hStart : displayDates[0];\n        const actualEnd = isBefore(hEnd, displayDates[displayDates.length - 1]) ? hEnd : displayDates[displayDates.length - 1];\n        const sIdx = displayDates.findIndex(d => isSameDay(d, actualStart));\n        const eIdx = displayDates.findIndex(d => isSameDay(d, actualEnd));\n        if (sIdx !== -1 && eIdx !== -1 && isSameDay(date, actualStart)) {\n          const startCol = sIdx * periods.length + 2;\n          const endCol = eIdx * periods.length + periods.length + 2;\n          row3Items.push({ id: `holiday-range-${holiday.name}-${date.toISOString()}`, start: startCol, end: endCol - 1, type: 'holiday', data: holiday });\n        }\n      }\n    }\n  });\n\n  events.forEach(e => {\n    const eStart = startOfDay(parseISO(e.startDate));\n    const eEnd = startOfDay(parseISO(e.endDate));\n    if (isAfter(eStart, currentViewEnd) || isBefore(eEnd, currentViewStart)) return;\n    const resourceIdList = [...(e.resourceIds || []), ...(e.resources || []).map(r => r.id)];\n    if (e.showInEventRow !== false || resourceIdList.length === 0) {\n      const startDayIdx = displayDates.findIndex(d => isSameDay(d, eStart));\n      const endDayIdx = displayDates.findIndex(d => isSameDay(d, eEnd));\n      const startPeriodIdx = periods.findIndex(p => p.id === e.startPeriodId);\n      const endPeriodIdx = periods.findIndex(p => p.id === e.endPeriodId);\n      const sCol = (startDayIdx === -1) ? 2 : startDayIdx * periods.length + startPeriodIdx + 2;\n      const eCol = (endDayIdx === -1) ? (displayDates.length * periods.length + 1) : endDayIdx * periods.length + endPeriodIdx + 2;\n      row3Items.push({ id: `event-${e.id}`, start: sCol, end: eCol, type: 'event', data: e });\n    }\n  });\n\n  const row3Layouts = calculateLayout(row3Items);\n  const holidayItems = row3Layouts.filter(l => row3Items.find(i => i.id === l.id)?.type === 'holiday').map(layout => {\n    const item = row3Items.find(i => i.id === layout.id)!;\n    const h = item.data;\n    const unitHeight = (80 - 8) / layout.maxLevelInGroup;\n    const itemHeight = unitHeight - 8;\n    const top = 70 + 4 + (layout.level * unitHeight);\n    return (\n      <div key={layout.id} className=\"event-card holiday-card\"\n           title={h.name}\n           style={{ gridColumn: `${layout.start} / ${layout.end + 1}`, gridRow: 3, top: `${top}px`, height: `${itemHeight}px` }}>\n        {h.name}\n      </div>\n    );\n  });\n\n  const globalEventItems = row3Layouts.filter(l => row3Items.find(i => i.id === l.id)?.type === 'event').map(layout => {\n    const e = row3Items.find(i => i.id === layout.id)!.data as ScheduleEvent;\n    const unitHeight = (80 - 8) / layout.maxLevelInGroup;\n    const itemHeight = unitHeight - 8;\n    const top = 70 + 4 + (layout.level * unitHeight);\n\n    const startP = periods.find(p => p.id === e.startPeriodId)?.name || e.startPeriodId;\n    const endP = periods.find(p => p.id === e.endPeriodId)?.name || e.endPeriodId;\n    const resNames = [\n      ...(e.resourceIds || []),\n      ...(e.resources || []).map(r => r.id)\n    ].map(id => getResourceName(id)).join(', ');\n\n    const tooltip = `${e.name}${e.location ? ` (${e.location})` : ''}\\n${e.startDate} ${startP} ～ ${e.endDate} ${endP}` + \n                   (e.location ? `\\n${t('Location')}: ${e.location}` : '') +\n                   (resNames ? `\\n${labels.event}: ${resNames}` : '');\n\n    return (\n      <div key={layout.id} className=\"event-card schedule-event-card\"\n           title={tooltip}\n           style={{ gridColumn: `${layout.start} / ${layout.end + 1}`, gridRow: 3, backgroundColor: e.color, top: `${top}px`, height: `${itemHeight}px`, cursor: 'pointer' }}\n           onDblClick={() => onEventClick?.(e)}>\n        {e.name}{e.location && <span className=\"event-location\"> ({e.location})</span>}\n      </div>\n    );\n  });\n\n  // --- リソース行のデータ準備 ---\n  const resourceRowItems: JSX.Element[] = [];\n  \n  filteredResources.forEach((res, resIdx) => {\n    const resItems: { id: string, start: number, end: number, type: 'event' | 'lesson', data: any }[] = [];\n    \n    // このリソースに関連するイベントを収集\n    events.forEach(e => {\n      const resourceIdList = [...(e.resourceIds || []), ...(e.resources || []).map(r => r.id)];\n      if (resourceIdList.includes(res.id)) {\n        const eStart = startOfDay(parseISO(e.startDate));\n        const eEnd = startOfDay(parseISO(e.endDate));\n        if (isAfter(eStart, currentViewEnd) || isBefore(eEnd, currentViewStart)) return;\n        \n        const startDayIdx = displayDates.findIndex(d => isSameDay(d, eStart));\n        const endDayIdx = displayDates.findIndex(d => isSameDay(d, eEnd));\n        const startPeriodIdx = periods.findIndex(p => p.id === e.startPeriodId);\n        const endPeriodIdx = periods.findIndex(p => p.id === e.endPeriodId);\n        const sCol = (startDayIdx === -1) ? 2 : startDayIdx * periods.length + startPeriodIdx + 2;\n        const eCol = (endDayIdx === -1) ? (displayDates.length * periods.length + 1) : endDayIdx * periods.length + endPeriodIdx + 2;\n        resItems.push({ id: `event-${e.id}-${res.id}`, start: sCol, end: eCol, type: 'event', data: e });\n      }\n    });\n\n    // このリソースに関連する授業を収集\n    lessons.forEach(l => {\n      const lStart = startOfDay(parseISO(l.startDate));\n      const lEnd = startOfDay(parseISO(l.endDate));\n      if (isAfter(lStart, currentViewEnd) || isBefore(lEnd, currentViewStart)) return;\n\n      const subIds = [...(l.subTeacherIds || []), ...(l.subTeachers || []).map(t => t.id)];\n      let isTarget = false;\n      if (viewMode === 'room' && l.roomId === res.id) isTarget = true;\n      else if (viewMode === 'teacher' && (l.teacherId === res.id || subIds.includes(res.id))) isTarget = true;\n      else if (viewMode === 'course' && l.courseId === res.id) isTarget = true;\n\n      if (isTarget) {\n        const startDayIdx = displayDates.findIndex(d => isSameDay(d, lStart));\n        const endDayIdx = displayDates.findIndex(d => isSameDay(d, lEnd));\n        const startPeriodIdx = periods.findIndex(p => p.id === l.startPeriodId);\n        const endPeriodIdx = periods.findIndex(p => p.id === l.endPeriodId);\n        const sCol = (startDayIdx === -1) ? 2 : startDayIdx * periods.length + startPeriodIdx + 2;\n        const eCol = (endDayIdx === -1) ? (displayDates.length * periods.length + 1) : endDayIdx * periods.length + endPeriodIdx + 2;\n        resItems.push({ id: `lesson-${l.id}-${res.id}`, start: sCol, end: eCol, type: 'lesson', data: l });\n      }\n    });\n\n    const layouts = calculateLayout(resItems);\n    layouts.forEach(layout => {\n      const item = resItems.find(i => i.id === layout.id)!;\n      const unitHeight = (80 - 8) / layout.maxLevelInGroup;\n      const itemHeight = unitHeight - 8;\n      const top = 4 + (layout.level * unitHeight);\n\n      if (item.type === 'event') {\n        const e = item.data as ScheduleEvent;\n        const startP = periods.find(p => p.id === e.startPeriodId)?.name || e.startPeriodId;\n        const endP = periods.find(p => p.id === e.endPeriodId)?.name || e.endPeriodId;\n        const tooltip = `${e.name}${e.location ? ` (${e.location})` : ''}\\n${e.startDate} ${startP} ～ ${e.endDate} ${endP}`;\n\n        resourceRowItems.push(\n          <div key={layout.id} className=\"event-card schedule-event-card resource-event-card\"\n               title={tooltip}\n               style={{ gridColumn: `${layout.start} / ${layout.end + 1}`, gridRow: resIdx + 4, backgroundColor: e.color, top: `${top}px`, height: `${itemHeight}px`, cursor: 'pointer', position: 'relative' }}\n               onDblClick={() => onEventClick?.(e)}>\n            {e.name}{e.location && <span className=\"event-location\"> ({e.location})</span>}\n          </div>\n        );\n      } else {\n        const l = item.data as Lesson;\n        const infoItems = [];\n        const roomValue = l.roomId ? getResourceName(l.roomId) : (l.location || t('No room'));\n        if (viewMode !== 'room') infoItems.push({ label: labels.room, value: roomValue });\n\n        const mainTeacherName = l.teacherId ? getResourceName(l.teacherId) : t('No main teacher');\n        const subIds = [...(l.subTeacherIds || []), ...(l.subTeachers || []).map(t => t.id)];\n        const subTeacherNames = subIds.map(id => getResourceName(id));\n\n        if (viewMode !== 'teacher') {\n          if (l.teacherId) infoItems.push({ label: labels.mainTeacher, value: mainTeacherName });\n          if (subTeacherNames.length > 0) infoItems.push({ label: labels.subTeacher, value: subTeacherNames.join(', ') });\n        } else {\n          if (l.teacherId) infoItems.push({ label: labels.mainTeacher, value: mainTeacherName });\n          if (subTeacherNames.length > 0) infoItems.push({ label: labels.subTeacher, value: subTeacherNames.join(', ') });\n        }\n        if (viewMode !== 'course') infoItems.push({ label: labels.course, value: getResourceName(l.courseId) });\n\n        const translatedSubject = t(l.subject);\n        const methodNames = (l.deliveryMethods || []).map(m => m.name).join(', ');\n        const tooltipText = `${translatedSubject}\\n` + \n                           (l.location ? `${t('Location')}: ${l.location}\\n` : '') +\n                           (methodNames ? `${labels.deliveryMethod}: ${methodNames}\\n` : '') +\n                           infoItems.map(item => `${item.label}: ${item.value}`).join('\\n');\n\n        resourceRowItems.push(\n          <div \n            key={layout.id} \n            className={`lesson-card ${!l.teacherId ? 'no-main-teacher' : ''}`}\n            style={{\n              gridColumn: `${layout.start} / ${layout.end + 1}`,\n              gridRow: resIdx + 4,\n              cursor: 'pointer',\n              backgroundColor: !l.teacherId ? '#e884fa' : undefined,\n              top: `${top}px`,\n              height: `${itemHeight}px`,\n              position: 'relative'\n            }}\n            title={tooltipText}\n            onDblClick={() => onLessonClick?.(l)}\n          >\n            <div className=\"lesson-subject\"><div className=\"lesson-delivery-methods\">{translatedSubject}\n            {l.deliveryMethods && l.deliveryMethods.length > 0 && (\n                l.deliveryMethods.map(m => (\n                  <span key={m.id} className=\"delivery-method-tag\" style={{ backgroundColor: m.color || '#646cff' }}>\n                    {m.name}\n                  </span>\n                ))\n            )}</div></div>\n            {layout.maxLevelInGroup === 1 && (\n              <div className=\"lesson-details\">\n                {infoItems.map((item, idx) => (\n                  <div key={idx} className=\"lesson-info\">\n                    {item.label}: {item.value}\n                  </div>\n                ))}\n              </div>\n            )}\n          </div>\n        );\n      }\n    });\n  });\n\n  const resourceLabels = filteredResources.map((r, idx) => (\n    <div key={`label-${r.id}`} className=\"grid-label\" style={{ ...stickyLeft, gridColumn: 1, gridRow: idx + 4 }}>\n      {t(r.name)}\n    </div>\n  ));\n\n  const wrapperStyle = {\n    overflowX: isDayView ? 'hidden' : 'auto'\n  } as JSX.CSSProperties;\n\n  return (\n    <div className=\"timetable-wrapper\" style={wrapperStyle}>\n      <div \n        key={`grid-${viewType}-${baseDate.getTime()}-${viewMode}-${filteredResources.length}-${totalCols}`}\n        className=\"timetable-container\" \n        style={gridStyle}\n      >\n        <div className=\"grid-corner\" style={{ ...stickyLeft, gridColumn: 1, gridRow: \"1 / span 2\", zIndex: 100 }} />\n        {filteredResources.map((res, rIdx) => \n          displayDates.map((date, dIdx) => {\n            const isSun = date.getDay() === 0;\n            const isSat = date.getDay() === 6;\n            const holiday = getHoliday(date);\n            const dateStr = format(date, 'yyyy-MM-dd');\n            let cellClass = 'grid-cell';\n            if (isSun) cellClass += ' is-sunday';\n            if (isSat) cellClass += ' is-saturday';\n            if (holiday) cellClass += ' is-holiday';\n            return periods.map((p, pIdx) => (\n              <div key={`cell-${rIdx}-${dIdx}-${pIdx}`} \n                   className={cellClass} \n                   style={{ gridColumn: dIdx * periods.length + pIdx + 2, gridRow: rIdx + 4 }}\n                   onDblClick={() => onEmptyResourceCellClick?.(res.id, dateStr, p.id)} />\n            ));\n          })\n        )}\n        {dateHeaders}\n        {periodHeaders}\n        {eventLabel}\n        {eventCells}\n        {/* レベル別の配置を確保 */}\n        {holidayItems}\n        {globalEventItems}\n        {resourceRowItems}\n        {resourceLabels}\n      </div>\n    </div>\n  );\n}\n"
  }
}

MODEL ✨

I will begin by updating the Prisma schema to include the new fields in the Lesson model.Tool Command:

{
  "name": "replace",
  "args": {
    "old_string": "model Lesson {\n  id              String           @id @default(uuid())\n  subject         String\n  startDate       String\n  startPeriodId   String\n  endDate         String\n  endPeriodId     String\n  roomId          String?\n  teacherId       String?\n  courseId        String\n  location        String?\n  course          Resource         @relation(\"CourseLessons\", fields: [courseId], references: [id])\n  room            Resource?        @relation(\"RoomLessons\", fields: [roomId], references: [id])\n  teacher         Resource?        @relation(\"TeacherLessons\", fields: [teacherId], references: [id])\n  subTeachers     Resource[]       @relation(\"SubTeacherLessons\")\n  deliveryMethods DeliveryMethod[] @relation(\"LessonDeliveryMethods\")\n}",
    "new_string": "model Lesson {\n  id              String           @id @default(uuid())\n  subject         String\n  startDate       String\n  startPeriodId   String\n  endDate         String\n  endPeriodId     String\n  roomId          String?\n  teacherId       String?\n  courseId        String\n  location        String?\n  remarks         String?\n  externalTeacher String?\n  externalSubTeachers String?\n  course          Resource         @relation(\"CourseLessons\", fields: [courseId], references: [id])\n  room            Resource?        @relation(\"RoomLessons\", fields: [roomId], references: [id])\n  teacher         Resource?        @relation(\"TeacherLessons\", fields: [teacherId], references: [id])\n  subTeachers     Resource[]       @relation(\"SubTeacherLessons\")\n  deliveryMethods DeliveryMethod[] @relation(\"LessonDeliveryMethods\")\n}",
    "instruction": "Add remarks, externalTeacher, and externalSubTeachers to the Lesson model.",
    "file_path": "backend/prisma/schema.prisma"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775643179433_0",
  "name": "replace",
  "response": {
    "error": "Tool execution denied by policy. You are in Plan Mode and cannot modify source code. You may ONLY use write_file or replace to save plans to the designated plans directory as .md files."
  }
}

MODEL ✨

I will create a plan for adding remarks and external teachers to the Lesson entity.Tool Command:

{
  "name": "write_file",
  "args": {
    "file_path": "/home/yasumichi/.gemini/tmp/education-scheduler/4f21a756-966e-44e0-a0a9-8c5098864288/plans/lesson-remarks-and-external-teachers.md",
    "content": "# Plan: Add Remarks and External Teachers to Lesson\n\nThe goal is to enhance the `Lesson` entity by adding a `remarks` field (multi-line text) and allowing the specification of external (unmanaged) teachers for both the main and sub-teacher roles.\n\n## Objective\n*   Add a `remarks` field to the `Lesson` model for storing multi-line notes.\n*   Add `externalTeacher` and `externalSubTeachers` fields to the `Lesson` model to allow text input for teachers not managed in the system.\n*   Update the backend to handle these new fields.\n*   Update the frontend UI to allow users to input and view these new fields.\n\n## Key Files & Context\n*   `backend/prisma/schema.prisma`: The database schema for the `Lesson` model.\n*   `src/types.ts`: The frontend TypeScript definition for the `Lesson` interface.\n*   `backend/src/index.ts`: The backend API handling lesson creation, updates, and iCalendar export.\n*   `src/components/LessonManager.tsx`: The UI for creating and editing lessons.\n*   `src/components/Timetable.tsx`: The UI for displaying lessons on the calendar.\n\n## Implementation Steps\n\n### 1. Database Schema (`backend/prisma/schema.prisma`)\nUpdate the `Lesson` model to include:\n*   `remarks`: `String?`\n*   `externalTeacher`: `String?`\n*   `externalSubTeachers`: `String?`\n\n### 2. Frontend Types (`src/types.ts`)\nUpdate the `Lesson` interface to include the new fields.\n\n### 3. Backend API (`backend/src/index.ts`)\n*   **POST /api/lessons**:\n    *   Accept `remarks`, `externalTeacher`, and `externalSubTeachers` from the request body.\n    *   Include these fields in both `create` and `update` operations.\n    *   For the \"only delivery method\" restricted edit, ensure these new fields are also restricted if the user only has limited permissions.\n*   **iCalendar Export (GET /api/resources/:id/icalendar)**:\n    *   Include `remarks`, `externalTeacher`, and `externalSubTeachers` in the `DESCRIPTION` or `SUMMARY` field of the ICS events if they are present.\n\n### 4. Frontend Lesson Manager (`src/components/LessonManager.tsx`)\n*   Add a `textarea` for the `remarks` field.\n*   Add a text input for `externalTeacher` near the Main Teacher selection.\n*   Add a text input for `externalSubTeachers` near the Sub Teacher selection.\n*   Update the `formData` state and the `handleSave` function to include these new fields.\n*   Ensure the new fields are disabled if the user has read-only or limited edit permissions (except maybe `remarks` if we decide assigned teachers can edit it, but for now we'll stick to the \"only delivery method\" rule).\n\n### 5. Timetable Display (`src/components/Timetable.tsx`)\n*   Update the lesson card display to show the `externalTeacher` if the regular `teacherId` is not set.\n*   Include `remarks` and both external teacher fields in the tooltip (title) of the lesson card.\n\n## Verification & Testing\n1.  **Database Migration**: Run Prisma migration to apply schema changes.\n2.  **Lesson Creation**: Create a new lesson and verify that `remarks`, `externalTeacher`, and `externalSubTeachers` are saved correctly.\n3.  **Lesson Editing**: Edit an existing lesson and verify that the new fields can be updated.\n4.  **Limited Permissions**: Log in as a teacher assigned to a lesson but not the course and verify that they can only edit the delivery method (and not the remarks or external teachers).\n5.  **Timetable View**: Verify that external teachers and remarks are visible on the timetable (at least via tooltip).\n6.  **ICS Export**: Export the schedule to an `.ics` file and verify that the new information is included in the event details.\n"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "write_file_1775643248245_0",
  "name": "write_file",
  "response": {
    "output": "Successfully created and wrote to new file: /home/yasumichi/.gemini/tmp/education-scheduler/4f21a756-966e-44e0-a0a9-8c5098864288/plans/lesson-remarks-and-external-teachers.md. Here is the updated code:\n# Plan: Add Remarks and External Teachers to Lesson\n\nThe goal is to enhance the `Lesson` entity by adding a `remarks` field (multi-line text) and allowing the specification of external (unmanaged) teachers for both the main and sub-teacher roles.\n\n## Objective\n*   Add a `remarks` field to the `Lesson` model for storing multi-line notes.\n*   Add `externalTeacher` and `externalSubTeachers` fields to the `Lesson` model to allow text input for teachers not managed in the system.\n*   Update the backend to handle these new fields.\n*   Update the frontend UI to allow users to input and view these new fields.\n\n## Key Files & Context\n*   `backend/prisma/schema.prisma`: The database schema for the `Lesson` model.\n*   `src/types.ts`: The frontend TypeScript definition for the `Lesson` interface.\n*   `backend/src/index.ts`: The backend API handling lesson creation, updates, and iCalendar export.\n*   `src/components/LessonManager.tsx`: The UI for creating and editing lessons.\n*   `src/components/Timetable.tsx`: The UI for displaying lessons on the calendar.\n\n## Implementation Steps\n\n### 1. Database Schema (`backend/prisma/schema.prisma`)\nUpdate the `Lesson` model to include:\n*   `remarks`: `String?`\n*   `externalTeacher`: `String?`\n*   `externalSubTeachers`: `String?`\n\n### 2. Frontend Types (`src/types.ts`)\nUpdate the `Lesson` interface to include the new fields.\n\n### 3. Backend API (`backend/src/index.ts`)\n*   **POST /api/lessons**:\n    *   Accept `remarks`, `externalTeacher`, and `externalSubTeachers` from the request body.\n    *   Include these fields in both `create` and `update` operations.\n    *   For the \"only delivery method\" restricted edit, ensure these new fields are also restricted if the user only has limited permissions.\n*   **iCalendar Export (GET /api/resources/:id/icalendar)**:\n    *   Include `remarks`, `externalTeacher`, and `externalSubTeachers` in the `DESCRIPTION` or `SUMMARY` field of the ICS events if they are present.\n\n### 4. Frontend Lesson Manager (`src/components/LessonManager.tsx`)\n*   Add a `textarea` for the `remarks` field.\n*   Add a text input for `externalTeacher` near the Main Teacher selection.\n*   Add a text input for `externalSubTeachers` near the Sub Teacher selection.\n*   Update the `formData` state and the `handleSave` function to include these new fields.\n*   Ensure the new fields are disabled if the user has read-only or limited edit permissions (except maybe `remarks` if we decide assigned teachers can edit it, but for now we'll stick to the \"only delivery method\" rule).\n\n### 5. Timetable Display (`src/components/Timetable.tsx`)\n*   Update the lesson card display to show the `externalTeacher` if the regular `teacherId` is not set.\n*   Include `remarks` and both external teacher fields in the tooltip (title) of the lesson card.\n\n## Verification & Testing\n1.  **Database Migration**: Run Prisma migration to apply schema changes.\n2.  **Lesson Creation**: Create a new lesson and verify that `remarks`, `externalTeacher`, and `externalSubTeachers` are saved correctly.\n3.  **Lesson Editing**: Edit an existing lesson and verify that the new fields can be updated.\n4.  **Limited Permissions**: Log in as a teacher assigned to a lesson but not the course and verify that they can only edit the delivery method (and not the remarks or external teachers).\n5.  **Timetable View**: Verify that external teachers and remarks are visible on the timetable (at least via tooltip).\n6.  **ICS Export**: Export the schedule to an `.ics` file and verify that the new information is included in the event details.\n"
  }
}

MODEL ✨

I've developed a plan to add a "remarks" field and support for external (unmanaged) teachers to the Lesson entity. This involves updating the Prisma schema, the backend API, and the frontend UI (Lesson Manager and Timetable).

Tool Command:

{
  "name": "exit_plan_mode",
  "args": {
    "plan_filename": "lesson-remarks-and-external-teachers.md"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "exit_plan_mode_1775643288602_0",
  "name": "exit_plan_mode",
  "response": {
    "output": "Plan approved. Switching to Auto-Edit mode (edits will be applied automatically).\n\nThe approved implementation plan is stored at: /home/yasumichi/.gemini/tmp/education-scheduler/4f21a756-966e-44e0-a0a9-8c5098864288/plans/lesson-remarks-and-external-teachers.md\nRead and follow the plan strictly during implementation."
  }
}

MODEL ✨

I will update the Lesson model in the Prisma schema to include the remarks, externalTeacher, and externalSubTeachers fields.Tool Command:

{
  "name": "replace",
  "args": {
    "new_string": "model Lesson {\n  id              String           @id @default(uuid())\n  subject         String\n  startDate       String\n  startPeriodId   String\n  endDate         String\n  endPeriodId     String\n  roomId          String?\n  teacherId       String?\n  courseId        String\n  location        String?\n  remarks         String?\n  externalTeacher String?\n  externalSubTeachers String?\n  course          Resource         @relation(\"CourseLessons\", fields: [courseId], references: [id])\n  room            Resource?        @relation(\"RoomLessons\", fields: [roomId], references: [id])\n  teacher         Resource?        @relation(\"TeacherLessons\", fields: [teacherId], references: [id])\n  subTeachers     Resource[]       @relation(\"SubTeacherLessons\")\n  deliveryMethods DeliveryMethod[] @relation(\"LessonDeliveryMethods\")\n}",
    "old_string": "model Lesson {\n  id              String           @id @default(uuid())\n  subject         String\n  startDate       String\n  startPeriodId   String\n  endDate         String\n  endPeriodId     String\n  roomId          String?\n  teacherId       String?\n  courseId        String\n  location        String?\n  course          Resource         @relation(\"CourseLessons\", fields: [courseId], references: [id])\n  room            Resource?        @relation(\"RoomLessons\", fields: [roomId], references: [id])\n  teacher         Resource?        @relation(\"TeacherLessons\", fields: [teacherId], references: [id])\n  subTeachers     Resource[]       @relation(\"SubTeacherLessons\")\n  deliveryMethods DeliveryMethod[] @relation(\"LessonDeliveryMethods\")\n}",
    "instruction": "Add remarks, externalTeacher, and externalSubTeachers to the Lesson model.",
    "file_path": "backend/prisma/schema.prisma",
    "allow_multiple": false
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775643737477_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/backend/prisma/schema.prisma (1 replacements). Here is the updated code:\n...\n  endPeriodId     String\n  roomId          String?\n  teacherId       String?\n  courseId        String\n  location        String?\n  remarks         String?\n  externalTeacher String?\n  externalSubTeachers String?\n  course          Resource         @relation(\"CourseLessons\", fields: [courseId], references: [id])\n  room            Resource?        @relation(\"RoomLessons\", fields: [roomId], references: [id])\n  teacher         Resource?        @relation(\"TeacherLessons\", fields: [teacherId], references: [id])\n  subTeachers     Resource[]       @relation(\"SubTeacherLessons\")\n  deliveryMethods DeliveryMethod[] @relation(\"LessonDeliveryMethods\")\n..."
  }
}

MODEL ✨

I will update the Lesson interface in the frontend types to include the new fields.Tool Command:

{
  "name": "replace",
  "args": {
    "file_path": "src/types.ts",
    "allow_multiple": false,
    "old_string": "export interface Lesson {\n  id: string;\n  subject: string;\n  teacherId?: string;\n  subTeacherIds?: string[]; // サブ講師\n  subTeachers?: { id: string }[]; // バックエンドからのリレーション\n  roomId?: string;\n  courseId: string;\n  location?: string;\n  deliveryMethodIds?: string[]; // 授業方式\n  deliveryMethods?: { id: string, name: string, color?: string }[]; // バックエンドからのリレーション\n  startDate: string;   // 開始日 \"2026-03-26\"\n  startPeriodId: string; // 開始時限 \"p1\"\n  endDate: string;     // 終了日 \"2026-03-27\"\n  endPeriodId: string;   // 終了時限 \"p4\"\n}",
    "instruction": "Add remarks, externalTeacher, and externalSubTeachers to the Lesson interface.",
    "new_string": "export interface Lesson {\n  id: string;\n  subject: string;\n  teacherId?: string;\n  subTeacherIds?: string[]; // サブ講師\n  subTeachers?: { id: string }[]; // バックエンドからのリレーション\n  roomId?: string;\n  courseId: string;\n  location?: string;\n  remarks?: string;\n  externalTeacher?: string;\n  externalSubTeachers?: string;\n  deliveryMethodIds?: string[]; // 授業方式\n  deliveryMethods?: { id: string, name: string, color?: string }[]; // バックエンドからのリレーション\n  startDate: string;   // 開始日 \"2026-03-26\"\n  startPeriodId: string; // 開始時限 \"p1\"\n  endDate: string;     // 終了日 \"2026-03-27\"\n  endPeriodId: string;   // 終了時限 \"p4\"\n}"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775643913986_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/types.ts (1 replacements). Here is the updated code:\n...\n  subTeacherIds?: string[]; // サブ講師\n  subTeachers?: { id: string }[]; // バックエンドからのリレーション\n  roomId?: string;\n  courseId: string;\n  location?: string;\n  remarks?: string;\n  externalTeacher?: string;\n  externalSubTeachers?: string;\n  deliveryMethodIds?: string[]; // 授業方式\n  deliveryMethods?: { id: string, name: string, color?: string }[]; // バックエンドからのリレーション\n  startDate: string;   // 開始日 \"2026-03-26\"\n  startPeriodId: string; // 開始時限 \"p1\"\n  endDate: string;     // 終了日 \"2026-03-27\"\n..."
  }
}

MODEL ✨

I will update the POST /api/lessons route in the backend to handle the new fields and update the restriction logic to ensure they're handled correctly.Tool Command:

{
  "name": "replace",
  "args": {
    "allow_multiple": false,
    "instruction": "Update POST /api/lessons to handle remarks, externalTeacher, and externalSubTeachers. Also update the permission check for limited editing.",
    "old_string": "  const { id, subject, teacherId, subTeacherIds, roomId, courseId, location, startDate, startPeriodId, endDate, endPeriodId, deliveryMethodIds } = req.body;\n\n  try {\n    // 権限チェック\n    if (id) {\n      // 更新時: 現在の授業の講座に対して権限があるか\n      const currentLesson = await prisma.lesson.findUnique({ \n        where: { id },\n        include: { subTeachers: { select: { id: true } } }\n      });\n      if (!currentLesson) return res.status(404).json({ error: 'Lesson not found' });\n      \n      const hasPermissionToCurrent = await canManageCourseLessons(req.user.id, currentLesson.courseId);\n      \n      // 追加: 授業の担当講師（メインまたはサブ）であれば、授業方式のみ変更可能とするためのフラグ\n      let onlyDeliveryMethodAllowed = false;\n      if (!hasPermissionToCurrent && req.user.role === UserRole.TEACHER) {\n        const user = await prisma.user.findUnique({\n          where: { id: req.user.id },\n          include: { resource: true }\n        });\n        const teacherResourceId = user?.resource?.id;\n        if (teacherResourceId) {\n          const isMain = currentLesson.teacherId === teacherResourceId;\n          const isSub = currentLesson.subTeachers.some(t => t.id === teacherResourceId);\n          if (isMain || isSub) {\n            onlyDeliveryMethodAllowed = true;\n          }\n        }\n      }\n\n      if (!hasPermissionToCurrent && !onlyDeliveryMethodAllowed) {\n        return res.status(403).json({ error: 'Access denied.' });\n      }\n\n      // 講座が変更される場合、変更先への権限もチェック\n      if (courseId && courseId !== currentLesson.courseId) {\n        if (onlyDeliveryMethodAllowed) {\n           return res.status(403).json({ error: 'Access denied. You can only change delivery methods for this lesson.' });\n        }\n        const hasPermissionToNew = await canManageCourseLessons(req.user.id, courseId);\n        if (!hasPermissionToNew) return res.status(403).json({ error: 'Access denied to new course.' });\n      }\n\n      // 権限が「授業方式のみ」の場合、他のフィールドが変更されていないかチェック\n      if (onlyDeliveryMethodAllowed) {\n        const isOtherFieldChanged = \n          subject !== currentLesson.subject ||\n          teacherId !== currentLesson.teacherId ||\n          roomId !== currentLesson.roomId ||\n          location !== currentLesson.location ||\n          startDate !== currentLesson.startDate ||\n          startPeriodId !== currentLesson.startPeriodId ||\n          endDate !== currentLesson.endDate ||\n          endPeriodId !== currentLesson.endPeriodId ||\n          // サブ講師の変更チェック (簡易的)\n          (subTeacherIds && (\n            subTeacherIds.length !== currentLesson.subTeachers.length ||\n            !subTeacherIds.every((id: string) => currentLesson.subTeachers.some(t => t.id === id))\n          ));\n        \n        if (isOtherFieldChanged) {\n          return res.status(403).json({ error: 'Access denied. You can only change delivery methods for this lesson.' });\n        }\n      }\n    } else {\n      // 新規作成時: 指定された講座に対して権限があるか\n      if (!courseId) return res.status(400).json({ error: 'courseId is required' });\n      const hasPermission = await canManageCourseLessons(req.user.id, courseId);\n      if (!hasPermission) return res.status(403).json({ error: 'Access denied.' });\n    }\n\n    const subTeachersConnect = subTeacherIds?.map((tid: string) => ({ id: tid })) || [];\n    const deliveryMethodsConnect = deliveryMethodIds?.map((did: string) => ({ id: did })) || [];\n    \n    // 共通のデータ\n    const commonData = {\n      subject,\n      location: location || null,\n      startDate,\n      startPeriodId,\n      endDate,\n      endPeriodId,\n    };",
    "file_path": "backend/src/index.ts",
    "new_string": "  const { id, subject, teacherId, subTeacherIds, roomId, courseId, location, startDate, startPeriodId, endDate, endPeriodId, deliveryMethodIds, remarks, externalTeacher, externalSubTeachers } = req.body;\n\n  try {\n    // 権限チェック\n    if (id) {\n      // 更新時: 現在の授業の講座に対して権限があるか\n      const currentLesson = await prisma.lesson.findUnique({ \n        where: { id },\n        include: { subTeachers: { select: { id: true } } }\n      });\n      if (!currentLesson) return res.status(404).json({ error: 'Lesson not found' });\n      \n      const hasPermissionToCurrent = await canManageCourseLessons(req.user.id, currentLesson.courseId);\n      \n      // 追加: 授業の担当講師（メインまたはサブ）であれば、授業方式のみ変更可能とするためのフラグ\n      let onlyDeliveryMethodAllowed = false;\n      if (!hasPermissionToCurrent && req.user.role === UserRole.TEACHER) {\n        const user = await prisma.user.findUnique({\n          where: { id: req.user.id },\n          include: { resource: true }\n        });\n        const teacherResourceId = user?.resource?.id;\n        if (teacherResourceId) {\n          const isMain = currentLesson.teacherId === teacherResourceId;\n          const isSub = currentLesson.subTeachers.some(t => t.id === teacherResourceId);\n          if (isMain || isSub) {\n            onlyDeliveryMethodAllowed = true;\n          }\n        }\n      }\n\n      if (!hasPermissionToCurrent && !onlyDeliveryMethodAllowed) {\n        return res.status(403).json({ error: 'Access denied.' });\n      }\n\n      // 講座が変更される場合、変更先への権限もチェック\n      if (courseId && courseId !== currentLesson.courseId) {\n        if (onlyDeliveryMethodAllowed) {\n           return res.status(403).json({ error: 'Access denied. You can only change delivery methods for this lesson.' });\n        }\n        const hasPermissionToNew = await canManageCourseLessons(req.user.id, courseId);\n        if (!hasPermissionToNew) return res.status(403).json({ error: 'Access denied to new course.' });\n      }\n\n      // 権限が「授業方式のみ」の場合、他のフィールドが変更されていないかチェック\n      if (onlyDeliveryMethodAllowed) {\n        const isOtherFieldChanged = \n          subject !== currentLesson.subject ||\n          teacherId !== currentLesson.teacherId ||\n          roomId !== currentLesson.roomId ||\n          location !== currentLesson.location ||\n          startDate !== currentLesson.startDate ||\n          startPeriodId !== currentLesson.startPeriodId ||\n          endDate !== currentLesson.endDate ||\n          endPeriodId !== currentLesson.endPeriodId ||\n          remarks !== currentLesson.remarks ||\n          externalTeacher !== currentLesson.externalTeacher ||\n          externalSubTeachers !== currentLesson.externalSubTeachers ||\n          // サブ講師の変更チェック (簡易的)\n          (subTeacherIds && (\n            subTeacherIds.length !== currentLesson.subTeachers.length ||\n            !subTeacherIds.every((id: string) => currentLesson.subTeachers.some(t => t.id === id))\n          ));\n        \n        if (isOtherFieldChanged) {\n          return res.status(403).json({ error: 'Access denied. You can only change delivery methods for this lesson.' });\n        }\n      }\n    } else {\n      // 新規作成時: 指定された講座に対して権限があるか\n      if (!courseId) return res.status(400).json({ error: 'courseId is required' });\n      const hasPermission = await canManageCourseLessons(req.user.id, courseId);\n      if (!hasPermission) return res.status(403).json({ error: 'Access denied.' });\n    }\n\n    const subTeachersConnect = subTeacherIds?.map((tid: string) => ({ id: tid })) || [];\n    const deliveryMethodsConnect = deliveryMethodIds?.map((did: string) => ({ id: did })) || [];\n    \n    // 共通のデータ\n    const commonData = {\n      subject,\n      location: location || null,\n      startDate,\n      startPeriodId,\n      endDate,\n      endPeriodId,\n      remarks: remarks || null,\n      externalTeacher: externalTeacher || null,\n      externalSubTeachers: externalSubTeachers || null,\n    };"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775643961023_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/backend/src/index.ts (1 replacements). Here is the updated code:\n...\n\n// 授業の作成・更新 (ADMIN / Course Chief or Assistant Teacher)\napp.post('/api/lessons', verifyToken, async (req: AuthRequest, res) => {\n  if (!req.user) return res.status(401).json({ error: 'Not authenticated' });\n  \n  const { id, subject, teacherId, subTeacherIds, roomId, courseId, location, startDate, startPeriodId, endDate, endPeriodId, deliveryMethodIds, remarks, externalTeacher, externalSubTeachers } = req.body;\n\n  try {\n    // 権限チェック\n    if (id) {\n      // 更新時: 現在の授業の講座に対して権限があるか\n...\n          location !== currentLesson.location ||\n          startDate !== currentLesson.startDate ||\n          startPeriodId !== currentLesson.startPeriodId ||\n          endDate !== currentLesson.endDate ||\n          endPeriodId !== currentLesson.endPeriodId ||\n          remarks !== currentLesson.remarks ||\n          externalTeacher !== currentLesson.externalTeacher ||\n          externalSubTeachers !== currentLesson.externalSubTeachers ||\n          // サブ講師の変更チェック (簡易的)\n          (subTeacherIds && (\n            subTeacherIds.length !== currentLesson.subTeachers.length ||\n            !subTeacherIds.every((id: string) => currentLesson.subTeachers.some(t => t.id === id))\n          ));\n...\n      location: location || null,\n      startDate,\n      startPeriodId,\n      endDate,\n      endPeriodId,\n      remarks: remarks || null,\n      externalTeacher: externalTeacher || null,\n      externalSubTeachers: externalSubTeachers || null,\n    };\n\n    if (id) {\n      // 更新 (Update)\n      const data: any = {\n..."
  }
}

MODEL ✨

I will update the ICS export in the backend to include remarks and external teachers in the event summary or description.Tool Command:

{
  "name": "replace",
  "args": {
    "new_string": "    // 授業の追加\n    lessons.forEach(l => {\n      ics.push('BEGIN:VEVENT');\n      ics.push(`UID:lesson-${l.id}@scholatile`);\n      ics.push(`DTSTAMP:${new Date().toISOString().replace(/[-:]/g, '').split('.')[0]}Z`);\n      ics.push(`DTSTART;TZID=Asia/Tokyo:${formatICSDate(l.startDate, l.startPeriodId, false)}`);\n      ics.push(`DTEND;TZID=Asia/Tokyo:${formatICSDate(l.endDate, l.endPeriodId, true)}`);\n      \n      let summary = `${l.subject} (${l.course.name})`;\n      if (l.externalTeacher) {\n        summary += ` - ${l.externalTeacher}`;\n      }\n      ics.push(`SUMMARY:${summary}`);\n      \n      if (l.location) ics.push(`LOCATION:${l.location}`);\n      \n      let description = [];\n      if (l.externalSubTeachers) description.push(`Sub Teachers (Ext): ${l.externalSubTeachers}`);\n      if (l.remarks) description.push(`Remarks: ${l.remarks}`);\n      if (description.length > 0) {\n        ics.push(`DESCRIPTION:${description.join('\\\\n')}`);\n      }\n      \n      ics.push('END:VEVENT');\n    });",
    "instruction": "Include remarks and external teachers in the iCalendar export.",
    "file_path": "backend/src/index.ts",
    "old_string": "    // 授業の追加\n    lessons.forEach(l => {\n      ics.push('BEGIN:VEVENT');\n      ics.push(`UID:lesson-${l.id}@scholatile`);\n      ics.push(`DTSTAMP:${new Date().toISOString().replace(/[-:]/g, '').split('.')[0]}Z`);\n      ics.push(`DTSTART;TZID=Asia/Tokyo:${formatICSDate(l.startDate, l.startPeriodId, false)}`);\n      ics.push(`DTEND;TZID=Asia/Tokyo:${formatICSDate(l.endDate, l.endPeriodId, true)}`);\n      ics.push(`SUMMARY:${l.subject} (${l.course.name})`);\n      if (l.location) ics.push(`LOCATION:${l.location}`);\n      ics.push('END:VEVENT');\n    });",
    "allow_multiple": false
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775644366618_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/backend/src/index.ts (1 replacements). Here is the updated code:\n...\n      ics.push('BEGIN:VEVENT');\n      ics.push(`UID:lesson-${l.id}@scholatile`);\n      ics.push(`DTSTAMP:${new Date().toISOString().replace(/[-:]/g, '').split('.')[0]}Z`);\n      ics.push(`DTSTART;TZID=Asia/Tokyo:${formatICSDate(l.startDate, l.startPeriodId, false)}`);\n      ics.push(`DTEND;TZID=Asia/Tokyo:${formatICSDate(l.endDate, l.endPeriodId, true)}`);\n      \n      let summary = `${l.subject} (${l.course.name})`;\n      if (l.externalTeacher) {\n        summary += ` - ${l.externalTeacher}`;\n      }\n      ics.push(`SUMMARY:${summary}`);\n      \n      if (l.location) ics.push(`LOCATION:${l.location}`);\n      \n      let description = [];\n      if (l.externalSubTeachers) description.push(`Sub Teachers (Ext): ${l.externalSubTeachers}`);\n      if (l.remarks) description.push(`Remarks: ${l.remarks}`);\n      if (description.length > 0) {\n        ics.push(`DESCRIPTION:${description.join('\\\\n')}`);\n      }\n      \n      ics.push('END:VEVENT');\n    });\n\n    // イベントの追加\n    events.forEach(e => {\n..."
  }
}

MODEL ✨

I will add remarks, externalTeacher, and externalSubTeachers to the LessonManager form in the frontend.Tool Command:

{
  "name": "replace",
  "args": {
    "old_string": "    endDate: string;\n    endPeriodId: string;\n  }>({\n    id: initialLesson?.id,\n    subject: initialLesson?.subject || '',\n    teacherId: initialLesson?.teacherId || '',\n    subTeacherIds: initialLesson?.subTeacherIds || (initialLesson?.subTeachers || []).map(t => t.id),\n    roomId: initialLesson?.roomId || '',\n    courseId: initialLesson?.courseId || '',\n    location: initialLesson?.location || '',\n    deliveryMethodIds: initialLesson?.deliveryMethodIds || (initialLesson?.deliveryMethods || []).map(m => m.id),\n    startDate: initialLesson?.startDate || '',\n    startPeriodId: initialLesson?.startPeriodId || periods[0]?.id || 'p1',\n    endDate: initialLesson?.endDate || initialLesson?.startDate || '',\n    endPeriodId: initialLesson?.endPeriodId || initialLesson?.startPeriodId || periods[0]?.id || 'p1',\n  });",
    "file_path": "src/components/LessonManager.tsx",
    "instruction": "Update LessonManager to include remarks, externalTeacher, and externalSubTeachers in formData and handleSave.",
    "new_string": "    endDate: string;\n    endPeriodId: string;\n    remarks: string;\n    externalTeacher: string;\n    externalSubTeachers: string;\n  }>({\n    id: initialLesson?.id,\n    subject: initialLesson?.subject || '',\n    teacherId: initialLesson?.teacherId || '',\n    subTeacherIds: initialLesson?.subTeacherIds || (initialLesson?.subTeachers || []).map(t => t.id),\n    roomId: initialLesson?.roomId || '',\n    courseId: initialLesson?.courseId || '',\n    location: initialLesson?.location || '',\n    deliveryMethodIds: initialLesson?.deliveryMethodIds || (initialLesson?.deliveryMethods || []).map(m => m.id),\n    startDate: initialLesson?.startDate || '',\n    startPeriodId: initialLesson?.startPeriodId || periods[0]?.id || 'p1',\n    endDate: initialLesson?.endDate || initialLesson?.startDate || '',\n    endPeriodId: initialLesson?.endPeriodId || initialLesson?.startPeriodId || periods[0]?.id || 'p1',\n    remarks: initialLesson?.remarks || '',\n    externalTeacher: initialLesson?.externalTeacher || '',\n    externalSubTeachers: initialLesson?.externalSubTeachers || '',\n  });",
    "allow_multiple": false
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775644406352_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/LessonManager.tsx (1 replacements). Here is the updated code:\n...\n    deliveryMethodIds: string[];\n    startDate: string;\n    startPeriodId: string;\n    endDate: string;\n    endPeriodId: string;\n    remarks: string;\n    externalTeacher: string;\n    externalSubTeachers: string;\n  }>({\n    id: initialLesson?.id,\n    subject: initialLesson?.subject || '',\n    teacherId: initialLesson?.teacherId || '',\n    subTeacherIds: initialLesson?.subTeacherIds || (initialLesson?.subTeachers || []).map(t => t.id),\n...\n    deliveryMethodIds: initialLesson?.deliveryMethodIds || (initialLesson?.deliveryMethods || []).map(m => m.id),\n    startDate: initialLesson?.startDate || '',\n    startPeriodId: initialLesson?.startPeriodId || periods[0]?.id || 'p1',\n    endDate: initialLesson?.endDate || initialLesson?.startDate || '',\n    endPeriodId: initialLesson?.endPeriodId || initialLesson?.startPeriodId || periods[0]?.id || 'p1',\n    remarks: initialLesson?.remarks || '',\n    externalTeacher: initialLesson?.externalTeacher || '',\n    externalSubTeachers: initialLesson?.externalSubTeachers || '',\n  });\n\n  useEffect(() => {\n    const fetchDeliveryMethods = async () => {\n      try {\n..."
  }
}

MODEL ✨

I will update the LessonManager UI to include the externalTeacher, externalSubTeachers, and remarks fields.Tool Command:

{
  "name": "replace",
  "args": {
    "new_string": "          <div className=\"form-group\">\n            <label>{mainTeacherLabel}</label>\n            {canManage ? (\n              <div className=\"teacher-selection\">\n                <select \n                  value={formData.teacherId} \n                  onChange={(e) => {\n                    const newTeacherId = e.currentTarget.value;\n                    setFormData({ \n                      ...formData, \n                      teacherId: newTeacherId,\n                      subTeacherIds: formData.subTeacherIds.filter(id => id !== newTeacherId)\n                    });\n                  }}\n                  disabled={!canManage}\n                >\n                  <option value=\"\">{t('Select Teacher')}</option>\n                  {teachers.map(t => <option key={t.id} value={t.id}>{t.name}</option>)}\n                </select>\n                <input \n                  type=\"text\" \n                  value={formData.externalTeacher} \n                  onInput={(e) => setFormData({ ...formData, externalTeacher: e.currentTarget.value })}\n                  placeholder={t('External Teacher (if not managed)')}\n                  disabled={!canManage}\n                  style={{ marginTop: '5px' }}\n                />\n              </div>\n            ) : (\n              <div className=\"readonly-teacher\">\n                <span className=\"readonly-value\">{teachers.find(t => t.id === formData.teacherId)?.name || '-'}</span>\n                {formData.externalTeacher && <span className=\"readonly-value\"> ({formData.externalTeacher})</span>}\n              </div>\n            )}\n          </div>\n\n          <div className=\"form-group\">\n            <label>{subTeacherLabel}</label>\n            {canManage ? (\n              <div className=\"sub-teacher-container\">\n                <div className=\"sub-teacher-list\">\n                  {(() => {\n                    const list = teachers.filter(t => t.id !== formData.teacherId);\n                    const selected = list.filter(t => formData.subTeacherIds.includes(t.id));\n                    const unselected = list.filter(t => !formData.subTeacherIds.includes(t.id));\n                    return [...selected, ...unselected].map(t => (\n                      <label key={t.id} className={`sub-teacher-item ${formData.subTeacherIds.includes(t.id) ? 'selected' : ''} ${!canManage ? 'disabled' : ''}`}>\n                        <input \n                          type=\"checkbox\" \n                          checked={formData.subTeacherIds.includes(t.id)}\n                          onChange={() => toggleSubTeacher(t.id)}\n                          disabled={!canManage}\n                        />\n                        {t.name}\n                      </label>\n                    ));\n                  })()}\n                </div>\n                <input \n                  type=\"text\" \n                  value={formData.externalSubTeachers} \n                  onInput={(e) => setFormData({ ...formData, externalSubTeachers: e.currentTarget.value })}\n                  placeholder={t('External Sub Teachers (comma separated)')}\n                  disabled={!canManage}\n                  style={{ marginTop: '5px' }}\n                />\n              </div>\n            ) : (\n              <div className=\"readonly-sub-teachers\">\n                <span className=\"readonly-value\">\n                  {teachers.filter(t => formData.subTeacherIds.includes(t.id)).map(t => t.name).join(', ') || '-'}\n                </span>\n                {formData.externalSubTeachers && <span className=\"readonly-value\"> ({formData.externalSubTeachers})</span>}\n              </div>\n            )}\n          </div>\n\n          <div className=\"form-group\">\n            <label>{t('Remarks')}</label>\n            {canManage ? (\n              <textarea \n                value={formData.remarks} \n                onInput={(e) => setFormData({ ...formData, remarks: e.currentTarget.value })}\n                placeholder={t('Notes, special instructions, etc.')}\n                disabled={!canManage}\n                rows={3}\n                style={{ width: '100%', padding: '8px', boxSizing: 'border-box' }}\n              />\n            ) : (\n              <div className=\"readonly-value remarks-value\" style={{ whiteSpace: 'pre-wrap' }}>{formData.remarks || '-'}</div>\n            )}\n          </div>\n\n          <div className=\"form-group\">\n            <label>{labels.deliveryMethod}</label>",
    "instruction": "Add externalTeacher, externalSubTeachers, and remarks fields to the LessonManager UI.",
    "file_path": "src/components/LessonManager.tsx",
    "old_string": "          <div className=\"form-group\">\n            <label>{mainTeacherLabel}</label>\n            {canManage ? (\n              <select \n                value={formData.teacherId} \n                onChange={(e) => {\n                  const newTeacherId = e.currentTarget.value;\n                  setFormData({ \n                    ...formData, \n                    teacherId: newTeacherId,\n                    subTeacherIds: formData.subTeacherIds.filter(id => id !== newTeacherId)\n                  });\n                }}\n                disabled={!canManage}\n              >\n                <option value=\"\">{t('Select Teacher')}</option>\n                {teachers.map(t => <option key={t.id} value={t.id}>{t.name}</option>)}\n              </select>\n            ) : (\n              <span className=\"readonly-value\">{teachers.find(t => t.id === formData.teacherId)?.name || '-'}</span>\n            )}\n          </div>\n\n          <div className=\"form-group\">\n            <label>{subTeacherLabel}</label>\n            {canManage ? (\n              <div className=\"sub-teacher-list\">\n                {(() => {\n                  const list = teachers.filter(t => t.id !== formData.teacherId);\n                  const selected = list.filter(t => formData.subTeacherIds.includes(t.id));\n                  const unselected = list.filter(t => !formData.subTeacherIds.includes(t.id));\n                  return [...selected, ...unselected].map(t => (\n                    <label key={t.id} className={`sub-teacher-item ${formData.subTeacherIds.includes(t.id) ? 'selected' : ''} ${!canManage ? 'disabled' : ''}`}>\n                      <input \n                        type=\"checkbox\" \n                        checked={formData.subTeacherIds.includes(t.id)}\n                        onChange={() => toggleSubTeacher(t.id)}\n                        disabled={!canManage}\n                      />\n                      {t.name}\n                    </label>\n                  ));\n                })()}\n              </div>\n            ) : (\n              <span className=\"readonly-value\">\n                {teachers.filter(t => formData.subTeacherIds.includes(t.id)).map(t => t.name).join(', ') || '-'}\n              </span>\n            )}\n          </div>\n\n          <div className=\"form-group\">\n            <label>{labels.deliveryMethod}</label>",
    "allow_multiple": false
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775644418237_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/LessonManager.tsx (1 replacements). Here is the updated code:\n...\n          </div>\n\n          <div className=\"form-group\">\n            <label>{mainTeacherLabel}</label>\n            {canManage ? (\n              <div className=\"teacher-selection\">\n                <select \n                  value={formData.teacherId} \n                  onChange={(e) => {\n                    const newTeacherId = e.currentTarget.value;\n                    setFormData({ \n                      ...formData, \n                      teacherId: newTeacherId,\n                      subTeacherIds: formData.subTeacherIds.filter(id => id !== newTeacherId)\n                    });\n                  }}\n                  disabled={!canManage}\n                >\n                  <option value=\"\">{t('Select Teacher')}</option>\n                  {teachers.map(t => <option key={t.id} value={t.id}>{t.name}</option>)}\n                </select>\n                <input \n                  type=\"text\" \n                  value={formData.externalTeacher} \n                  onInput={(e) => setFormData({ ...formData, externalTeacher: e.currentTarget.value })}\n                  placeholder={t('External Teacher (if not managed)')}\n                  disabled={!canManage}\n                  style={{ marginTop: '5px' }}\n                />\n              </div>\n            ) : (\n              <div className=\"readonly-teacher\">\n                <span className=\"readonly-value\">{teachers.find(t => t.id === formData.teacherId)?.name || '-'}</span>\n                {formData.externalTeacher && <span className=\"readonly-value\"> ({formData.externalTeacher})</span>}\n              </div>\n            )}\n          </div>\n\n          <div className=\"form-group\">\n            <label>{subTeacherLabel}</label>\n            {canManage ? (\n              <div className=\"sub-teacher-container\">\n                <div className=\"sub-teacher-list\">\n                  {(() => {\n                    const list = teachers.filter(t => t.id !== formData.teacherId);\n                    const selected = list.filter(t => formData.subTeacherIds.includes(t.id));\n                    const unselected = list.filter(t => !formData.subTeacherIds.includes(t.id));\n                    return [...selected, ...unselected].map(t => (\n                      <label key={t.id} className={`sub-teacher-item ${formData.subTeacherIds.includes(t.id) ? 'selected' : ''} ${!canManage ? 'disabled' : ''}`}>\n                        <input \n                          type=\"checkbox\" \n                          checked={formData.subTeacherIds.includes(t.id)}\n                          onChange={() => toggleSubTeacher(t.id)}\n                          disabled={!canManage}\n                        />\n                        {t.name}\n                      </label>\n                    ));\n                  })()}\n                </div>\n                <input \n                  type=\"text\" \n                  value={formData.externalSubTeachers} \n                  onInput={(e) => setFormData({ ...formData, externalSubTeachers: e.currentTarget.value })}\n                  placeholder={t('External Sub Teachers (comma separated)')}\n                  disabled={!canManage}\n                  style={{ marginTop: '5px' }}\n                />\n              </div>\n            ) : (\n              <div className=\"readonly-sub-teachers\">\n                <span className=\"readonly-value\">\n                  {teachers.filter(t => formData.subTeacherIds.includes(t.id)).map(t => t.name).join(', ') || '-'}\n                </span>\n                {formData.externalSubTeachers && <span className=\"readonly-value\"> ({formData.externalSubTeachers})</span>}\n              </div>\n            )}\n          </div>\n\n          <div className=\"form-group\">\n            <label>{t('Remarks')}</label>\n            {canManage ? (\n              <textarea \n                value={formData.remarks} \n                onInput={(e) => setFormData({ ...formData, remarks: e.currentTarget.value })}\n                placeholder={t('Notes, special instructions, etc.')}\n                disabled={!canManage}\n                rows={3}\n                style={{ width: '100%', padding: '8px', boxSizing: 'border-box' }}\n              />\n            ) : (\n              <div className=\"readonly-value remarks-value\" style={{ whiteSpace: 'pre-wrap' }}>{formData.remarks || '-'}</div>\n            )}\n          </div>\n\n          <div className=\"form-group\">\n            <label>{labels.deliveryMethod}</label>\n            <div className=\"delivery-method-list\">\n              {(() => {\n                const selected = deliveryMethods.filter(m => formData.deliveryMethodIds.includes(m.id));\n                const unselected = deliveryMethods.filter(m => !formData.deliveryMethodIds.includes(m.id));\n..."
  }
}

MODEL ✨

I will update the handleSave function in LessonManager.tsx to ensure that remarks, externalTeacher, and externalSubTeachers are sent as null if they are empty strings, maintaining consistency with other fields.Tool Command:

{
  "name": "replace",
  "args": {
    "instruction": "Ensure remarks and external teacher fields are sent as null if empty in handleSave.",
    "file_path": "src/components/LessonManager.tsx",
    "old_string": "        body: JSON.stringify({\n          ...formData,\n          teacherId: formData.teacherId || null,\n          roomId: formData.roomId || null,\n          location: formData.location || null,\n          deliveryMethodIds: formData.deliveryMethodIds\n        })",
    "new_string": "        body: JSON.stringify({\n          ...formData,\n          teacherId: formData.teacherId || null,\n          roomId: formData.roomId || null,\n          location: formData.location || null,\n          remarks: formData.remarks || null,\n          externalTeacher: formData.externalTeacher || null,\n          externalSubTeachers: formData.externalSubTeachers || null,\n          deliveryMethodIds: formData.deliveryMethodIds\n        })",
    "allow_multiple": false
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775644461146_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/LessonManager.tsx (1 replacements). Here is the updated code:\n...\n        body: JSON.stringify({\n          ...formData,\n          teacherId: formData.teacherId || null,\n          roomId: formData.roomId || null,\n          location: formData.location || null,\n          remarks: formData.remarks || null,\n          externalTeacher: formData.externalTeacher || null,\n          externalSubTeachers: formData.externalSubTeachers || null,\n          deliveryMethodIds: formData.deliveryMethodIds\n        })\n      });\n      if (res.ok) {\n        onUpdate();\n..."
  }
}

MODEL ✨

I will now update the Timetable.tsx component to display external teachers and remarks in the lesson cards and tooltips.Tool Command:

{
  "name": "replace",
  "args": {
    "instruction": "Update lesson card display to show external teachers and include remarks in tooltips.",
    "allow_multiple": false,
    "file_path": "src/components/Timetable.tsx",
    "old_string": "        const mainTeacherName = l.teacherId ? getResourceName(l.teacherId) : t('No main teacher');\n        const subIds = [...(l.subTeacherIds || []), ...(l.subTeachers || []).map(t => t.id)];\n        const subTeacherNames = subIds.map(id => getResourceName(id));\n\n        if (viewMode !== 'teacher') {\n          if (l.teacherId) infoItems.push({ label: labels.mainTeacher, value: mainTeacherName });\n          if (subTeacherNames.length > 0) infoItems.push({ label: labels.subTeacher, value: subTeacherNames.join(', ') });\n        } else {\n          if (l.teacherId) infoItems.push({ label: labels.mainTeacher, value: mainTeacherName });\n          if (subTeacherNames.length > 0) infoItems.push({ label: labels.subTeacher, value: subTeacherNames.join(', ') });\n        }\n        if (viewMode !== 'course') infoItems.push({ label: labels.course, value: getResourceName(l.courseId) });\n\n        const translatedSubject = t(l.subject);\n        const methodNames = (l.deliveryMethods || []).map(m => m.name).join(', ');\n        const tooltipText = `${translatedSubject}\\n` + \n                           (l.location ? `${t('Location')}: ${l.location}\\n` : '') +\n                           (methodNames ? `${labels.deliveryMethod}: ${methodNames}\\n` : '') +\n                           infoItems.map(item => `${item.label}: ${item.value}`).join('\\n');",
    "new_string": "        const mainTeacherName = l.teacherId ? getResourceName(l.teacherId) : (l.externalTeacher || t('No main teacher'));\n        const subIds = [...(l.subTeacherIds || []), ...(l.subTeachers || []).map(t => t.id)];\n        const subTeacherNames = subIds.map(id => getResourceName(id));\n        if (l.externalSubTeachers) subTeacherNames.push(l.externalSubTeachers);\n\n        if (viewMode !== 'teacher') {\n          if (l.teacherId || l.externalTeacher) infoItems.push({ label: labels.mainTeacher, value: mainTeacherName });\n          if (subTeacherNames.length > 0) infoItems.push({ label: labels.subTeacher, value: subTeacherNames.join(', ') });\n        } else {\n          if (l.teacherId || l.externalTeacher) infoItems.push({ label: labels.mainTeacher, value: mainTeacherName });\n          if (subTeacherNames.length > 0) infoItems.push({ label: labels.subTeacher, value: subTeacherNames.join(', ') });\n        }\n        if (viewMode !== 'course') infoItems.push({ label: labels.course, value: getResourceName(l.courseId) });\n\n        const translatedSubject = t(l.subject);\n        const methodNames = (l.deliveryMethods || []).map(m => m.name).join(', ');\n        let tooltipText = `${translatedSubject}\\n` + \n                           (l.location ? `${t('Location')}: ${l.location}\\n` : '') +\n                           (methodNames ? `${labels.deliveryMethod}: ${methodNames}\\n` : '') +\n                           infoItems.map(item => `${item.label}: ${item.value}`).join('\\n');\n        \n        if (l.remarks) {\n          tooltipText += `\\n\\n${t('Remarks')}:\\n${l.remarks}`;\n        }"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775644623819_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/Timetable.tsx (1 replacements). Here is the updated code:\n...\n        const l = item.data as Lesson;\n        const infoItems = [];\n        const roomValue = l.roomId ? getResourceName(l.roomId) : (l.location || t('No room'));\n        if (viewMode !== 'room') infoItems.push({ label: labels.room, value: roomValue });\n\n        const mainTeacherName = l.teacherId ? getResourceName(l.teacherId) : (l.externalTeacher || t('No main teacher'));\n        const subIds = [...(l.subTeacherIds || []), ...(l.subTeachers || []).map(t => t.id)];\n        const subTeacherNames = subIds.map(id => getResourceName(id));\n        if (l.externalSubTeachers) subTeacherNames.push(l.externalSubTeachers);\n\n        if (viewMode !== 'teacher') {\n          if (l.teacherId || l.externalTeacher) infoItems.push({ label: labels.mainTeacher, value: mainTeacherName });\n          if (subTeacherNames.length > 0) infoItems.push({ label: labels.subTeacher, value: subTeacherNames.join(', ') });\n        } else {\n          if (l.teacherId || l.externalTeacher) infoItems.push({ label: labels.mainTeacher, value: mainTeacherName });\n          if (subTeacherNames.length > 0) infoItems.push({ label: labels.subTeacher, value: subTeacherNames.join(', ') });\n        }\n        if (viewMode !== 'course') infoItems.push({ label: labels.course, value: getResourceName(l.courseId) });\n\n        const translatedSubject = t(l.subject);\n        const methodNames = (l.deliveryMethods || []).map(m => m.name).join(', ');\n        let tooltipText = `${translatedSubject}\\n` + \n                           (l.location ? `${t('Location')}: ${l.location}\\n` : '') +\n                           (methodNames ? `${labels.deliveryMethod}: ${methodNames}\\n` : '') +\n                           infoItems.map(item => `${item.label}: ${item.value}`).join('\\n');\n        \n        if (l.remarks) {\n          tooltipText += `\\n\\n${t('Remarks')}:\\n${l.remarks}`;\n        }\n\n        resourceRowItems.push(\n          <div \n            key={layout.id} \n            className={`lesson-card ${!l.teacherId ? 'no-main-teacher' : ''}`}\n..."
  }
}

MODEL ✨

I will update the lesson card's logic to ensure that the "missing teacher" background color is only applied if both the teacherId and externalTeacher are absent.Tool Command:

{
  "name": "replace",
  "args": {
    "old_string": "        resourceRowItems.push(\n          <div \n            key={layout.id} \n            className={`lesson-card ${!l.teacherId ? 'no-main-teacher' : ''}`}\n            style={{\n              gridColumn: `${layout.start} / ${layout.end + 1}`,\n              gridRow: resIdx + 4,\n              cursor: 'pointer',\n              backgroundColor: !l.teacherId ? '#e884fa' : undefined,\n              top: `${top}px`,\n              height: `${itemHeight}px`,\n              position: 'relative'\n            }}\n            title={tooltipText}\n            onDblClick={() => onLessonClick?.(l)}\n          >",
    "file_path": "src/components/Timetable.tsx",
    "allow_multiple": false,
    "new_string": "        resourceRowItems.push(\n          <div \n            key={layout.id} \n            className={`lesson-card ${(!l.teacherId && !l.externalTeacher) ? 'no-main-teacher' : ''}`}\n            style={{\n              gridColumn: `${layout.start} / ${layout.end + 1}`,\n              gridRow: resIdx + 4,\n              cursor: 'pointer',\n              backgroundColor: (!l.teacherId && !l.externalTeacher) ? '#e884fa' : undefined,\n              top: `${top}px`,\n              height: `${itemHeight}px`,\n              position: 'relative'\n            }}\n            title={tooltipText}\n            onDblClick={() => onLessonClick?.(l)}\n          >",
    "instruction": "Update lesson card background color logic to account for external teachers."
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775644642790_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/Timetable.tsx (1 replacements). Here is the updated code:\n...\n        }\n\n        resourceRowItems.push(\n          <div \n            key={layout.id} \n            className={`lesson-card ${(!l.teacherId && !l.externalTeacher) ? 'no-main-teacher' : ''}`}\n            style={{\n              gridColumn: `${layout.start} / ${layout.end + 1}`,\n              gridRow: resIdx + 4,\n              cursor: 'pointer',\n              backgroundColor: (!l.teacherId && !l.externalTeacher) ? '#e884fa' : undefined,\n              top: `${top}px`,\n              height: `${itemHeight}px`,\n              position: 'relative'\n            }}\n            title={tooltipText}\n..."
  }
}

MODEL ✨

I have completed the code changes. I will now check the package.json file to see if there are any linting or test scripts I should run to verify my changes.Tool Command:

{
  "name": "read_file",
  "args": {
    "file_path": "package.json"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "read_file_1775644940996_0",
  "name": "read_file",
  "response": {
    "output": "{\n  \"name\": \"scholatile\",\n  \"private\": true,\n  \"version\": \"0.1.0\",\n  \"type\": \"module\",\n  \"scripts\": {\n    \"dev:frontend\": \"vite\",\n    \"dev:backend\": \"cd backend && npm run dev\",\n    \"dev\": \"concurrently \\\"npm run dev:frontend\\\" \\\"npm run dev:backend\\\"\",\n    \"build\": \"tsc && vite build\",\n    \"preview\": \"vite preview\"\n  },\n  \"dependencies\": {\n    \"@preact/signals\": \"^2.0.0\",\n    \"date-fns\": \"^3.6.0\",\n    \"i18next\": \"^26.0.1\",\n    \"i18next-browser-languagedetector\": \"^8.2.1\",\n    \"preact\": \"^10.20.1\",\n    \"react-i18next\": \"^17.0.1\"\n  },\n  \"devDependencies\": {\n    \"@preact/preset-vite\": \"^2.8.1\",\n    \"concurrently\": \"^9.2.1\",\n    \"typescript\": \"^5.2.2\",\n    \"vite\": \"^8.0.3\"\n  }\n}\n"
  }
}

MODEL ✨

I will run tsc to check for type errors and also examine the backend's package.json file.Tool Command:

{
  "name": "run_shell_command",
  "args": {
    "description": "Run typescript check and build to verify frontend changes.",
    "command": "npm run build"
  }
}
```**Tool Command**:
```json
{
  "name": "read_file",
  "args": {
    "file_path": "backend/package.json"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "run_shell_command_1775644943949_0",
  "name": "run_shell_command",
  "response": {
    "output": "Output: npm warn Unknown project config \"min-release-age\". This will stop working in the next major version of npm.\n\n> scholatile@0.1.0 build\n> tsc && vite build\n\nvite v8.0.5 building client environment for production...\n✓ 370 modules transformed.\ncomputing gzip size...\ndist/index.html                   0.39 kB │ gzip:  0.26 kB\ndist/assets/index-CRBuerOB.css   33.44 kB │ gzip:  5.03 kB\ndist/assets/index-B-sxHBqr.js   194.80 kB │ gzip: 54.77 kB\n\n✓ built in 142ms\nProcess Group PGID: 132836"
  }
}
```**Tool Response**:
```json
{
  "id": "read_file_1775644944506_1",
  "name": "read_file",
  "response": {
    "output": "{\n  \"name\": \"scholatile-backend\",\n  \"version\": \"1.0.0\",\n  \"main\": \"dist/index.js\",\n  \"scripts\": {\n    \"dev\": \"ts-node-dev --respawn --transpile-only src/index.ts\",\n    \"build\": \"tsc\",\n    \"start\": \"node dist/index.js\",\n    \"prisma:generate\": \"prisma generate\",\n    \"prisma:migrate\": \"prisma migrate dev\"\n  },\n  \"dependencies\": {\n    \"@prisma/adapter-pg\": \"^7.6.0\",\n    \"@prisma/client\": \"^7.6.0\",\n    \"bcryptjs\": \"^3.0.3\",\n    \"cookie-parser\": \"^1.4.7\",\n    \"cors\": \"^2.8.5\",\n    \"dotenv\": \"^16.4.5\",\n    \"express\": \"^4.19.2\",\n    \"jsonwebtoken\": \"^9.0.3\",\n    \"pg\": \"^8.20.0\"\n  },\n  \"devDependencies\": {\n    \"@types/bcryptjs\": \"^2.4.6\",\n    \"@types/cookie-parser\": \"^1.4.10\",\n    \"@types/cors\": \"^2.8.17\",\n    \"@types/express\": \"^4.17.21\",\n    \"@types/jsonwebtoken\": \"^9.0.10\",\n    \"@types/node\": \"^20.11.30\",\n    \"@types/pg\": \"^8.20.0\",\n    \"prisma\": \"^7.6.0\",\n    \"ts-node-dev\": \"^2.0.0\",\n    \"typescript\": \"^5.4.3\"\n  }\n}\n"
  }
}

MODEL ✨

I will run tsc in the backend directory to check for any type errors.Tool Command:

{
  "name": "run_shell_command",
  "args": {
    "command": "cd backend && npm run build",
    "description": "Run backend build to verify typescript changes."
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "run_shell_command_1775645236946_0",
  "name": "run_shell_command",
  "response": {
    "output": "Output: \n> scholatile-backend@1.0.0 build\n> tsc\n\nsrc/index.ts:644:37 - error TS2339: Property 'remarks' does not exist on type '{ subTeachers: { id: string; }[]; } & { id: string; startDate: string; endDate: string; subject: string; startPeriodId: string; endPeriodId: string; roomId: string | null; teacherId: string | null; courseId: string; location: string | null; }'.\n\n644           remarks !== currentLesson.remarks ||\n                                        ~~~~~~~\n\nsrc/index.ts:645:45 - error TS2339: Property 'externalTeacher' does not exist on type '{ subTeachers: { id: string; }[]; } & { id: string; startDate: string; endDate: string; subject: string; startPeriodId: string; endPeriodId: string; roomId: string | null; teacherId: string | null; courseId: string; location: string | null; }'.\n\n645           externalTeacher !== currentLesson.externalTeacher ||\n                                                ~~~~~~~~~~~~~~~\n\nsrc/index.ts:646:49 - error TS2339: Property 'externalSubTeachers' does not exist on type '{ subTeachers: { id: string; }[]; } & { id: string; startDate: string; endDate: string; subject: string; startPeriodId: string; endPeriodId: string; roomId: string | null; teacherId: string | null; courseId: string; location: string | null; }'.\n\n646           externalSubTeachers !== currentLesson.externalSubTeachers ||\n                                                    ~~~~~~~~~~~~~~~~~~~\n\nsrc/index.ts:911:13 - error TS2339: Property 'externalTeacher' does not exist on type '{ course: { id: string; name: string; type: ResourceType; order: number; userId: string | null; startDate: string | null; endDate: string | null; mainRoomId: string | null; chiefTeacherId: string | null; mainTeacherLabel: string | null; subTeacherLabel: string | null; }; } & { ...; }'.\n\n911       if (l.externalTeacher) {\n                ~~~~~~~~~~~~~~~\n\nsrc/index.ts:912:28 - error TS2339: Property 'externalTeacher' does not exist on type '{ course: { id: string; name: string; type: ResourceType; order: number; userId: string | null; startDate: string | null; endDate: string | null; mainRoomId: string | null; chiefTeacherId: string | null; mainTeacherLabel: string | null; subTeacherLabel: string | null; }; } & { ...; }'.\n\n912         summary += ` - ${l.externalTeacher}`;\n                               ~~~~~~~~~~~~~~~\n\nsrc/index.ts:919:13 - error TS2339: Property 'externalSubTeachers' does not exist on type '{ course: { id: string; name: string; type: ResourceType; order: number; userId: string | null; startDate: string | null; endDate: string | null; mainRoomId: string | null; chiefTeacherId: string | null; mainTeacherLabel: string | null; subTeacherLabel: string | null; }; } & { ...; }'.\n\n919       if (l.externalSubTeachers) description.push(`Sub Teachers (Ext): ${l.externalSubTeachers}`);\n                ~~~~~~~~~~~~~~~~~~~\n\nsrc/index.ts:919:76 - error TS2339: Property 'externalSubTeachers' does not exist on type '{ course: { id: string; name: string; type: ResourceType; order: number; userId: string | null; startDate: string | null; endDate: string | null; mainRoomId: string | null; chiefTeacherId: string | null; mainTeacherLabel: string | null; subTeacherLabel: string | null; }; } & { ...; }'.\n\n919       if (l.externalSubTeachers) description.push(`Sub Teachers (Ext): ${l.externalSubTeachers}`);\n                                                                               ~~~~~~~~~~~~~~~~~~~\n\nsrc/index.ts:920:13 - error TS2339: Property 'remarks' does not exist on type '{ course: { id: string; name: string; type: ResourceType; order: number; userId: string | null; startDate: string | null; endDate: string | null; mainRoomId: string | null; chiefTeacherId: string | null; mainTeacherLabel: string | null; subTeacherLabel: string | null; }; } & { ...; }'.\n\n920       if (l.remarks) description.push(`Remarks: ${l.remarks}`);\n                ~~~~~~~\n\nsrc/index.ts:920:53 - error TS2339: Property 'remarks' does not exist on type '{ course: { id: string; name: string; type: ResourceType; order: number; userId: string | null; startDate: string | null; endDate: string | null; mainRoomId: string | null; chiefTeacherId: string | null; mainTeacherLabel: string | null; subTeacherLabel: string | null; }; } & { ...; }'.\n\n920       if (l.remarks) description.push(`Remarks: ${l.remarks}`);\n                                                        ~~~~~~~\n\n\nFound 9 errors in the same file, starting at: src/index.ts:644\nExit Code: 2\nProcess Group PGID: 133103"
  }
}

MODEL ✨

I will run npx prisma generate in the backend directory to update the @prisma/client types and resolve the tsc errors.Tool Command:

{
  "name": "run_shell_command",
  "args": {
    "description": "Generate Prisma client to update types after schema change.",
    "command": "cd backend && npx prisma generate"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "run_shell_command_1775645656430_0",
  "name": "run_shell_command",
  "response": {
    "output": "Output: Loaded Prisma config from prisma.config.ts.\n\nPrisma schema loaded from prisma/schema.prisma.\n\n✔ Generated Prisma Client (v7.6.0) to ./node_modules/@prisma/client in 114ms\n\nStart by importing your Prisma Client (See: https://pris.ly/d/importing-client)\nProcess Group PGID: 133742"
  }
}

MODEL ✨

I will re-run tsc in the backend to verify the type changes.Tool Command:

{
  "name": "run_shell_command",
  "args": {
    "description": "Run backend build again to verify typescript changes after prisma generate.",
    "command": "cd backend && npm run build"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "run_shell_command_1775645756057_0",
  "name": "run_shell_command",
  "response": {
    "output": "Output: \n> scholatile-backend@1.0.0 build\n> tsc\nProcess Group PGID: 134199"
  }
}

MODEL ✨

I've implemented the "remarks" field and support for external (unmanaged) teachers in the Lesson entity. This includes:

Database: Added remarks, externalTeacher, and externalSubTeachers fields to the Lesson model in Prisma.
Backend: Updated the lesson creation/update API and the iCalendar export to handle these new fields.
Frontend UI:
- Added a multi-line "Remarks" field to the Lesson Manager.
- Added text input fields for "External Teacher" and "External Sub Teachers" to allow specifying teachers not managed in the system.
- Updated the Timetable to display external teachers and show remarks in the lesson tooltips.
- Adjusted the lesson card styling so it only shows the "missing teacher" highlight if neither a system teacher nor an external teacher is assigned.

Please run the following command in the backend directory to apply the database changes:

npx prisma migrate dev

I have verified that both the frontend and backend build successfully.

USER 🧑‍💻

GEMINI.md に反映する事項があれば、反映。

MODEL ✨

I will update the Lesson entity description in GEMINI.md to include the remarks, externalTeacher, and externalSubTeachers fields, reflecting the recent changes.Tool Command:

{
  "name": "replace",
  "args": {
    "new_string": "- **Lesson:** `id, subject, startDate, startPeriodId, endDate, endPeriodId, roomId, teacherId, courseId, location, subTeacherIds, deliveryMethodIds, remarks, externalTeacher, externalSubTeachers`",
    "file_path": "GEMINI.md",
    "old_string": "- **Lesson:** `id, subject, startDate, startPeriodId, endDate, endPeriodId, roomId, teacherId, courseId, location, subTeacherIds, deliveryMethodIds`",
    "allow_multiple": false,
    "instruction": "Update Lesson entity description in GEMINI.md to include remarks, externalTeacher, and externalSubTeachers."
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775646365800_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/GEMINI.md (1 replacements). Here is the updated code:\n...\nexport type UserRole = 'ADMIN' | 'TEACHER' | 'STUDENT';\n```\n\n### Main Entities\n- **Resource:** `id, name, type, order, userId, startDate, endDate, mainRoomId, chiefTeacherId, assistantTeacherIds, mainTeacherLabel, subTeacherLabel`\n- **Lesson:** `id, subject, startDate, startPeriodId, endDate, endPeriodId, roomId, teacherId, courseId, location, subTeacherIds, deliveryMethodIds, remarks, externalTeacher, externalSubTeachers`\n- **ScheduleEvent:** `id, name, startDate, startPeriodId, endDate, endPeriodId, color, location, showInEventRow, resourceIds`\n- **DeliveryMethod:** `id, name, color, order`\n- **TimePeriod:** `id, name, startTime, endTime, order` (IDは `p1`, `p2` ... 形式を維持)\n- **Holiday:** `id, name, date, start, end`\n- **ResourceLabels:** `room, teacher, course, event, mainTeacher, subTeacher, mainRoom, deliveryMethod, subject`\n..."
  }
}

MODEL ✨

I've updated GEMINI.md to include remarks, externalTeacher, and externalSubTeachers in the Lesson entity description.

Summary of changes:

Prisma Schema: Added fields for remarks and external teachers.
Backend: Updated lesson creation/update API and iCalendar export.
Frontend Types: Updated Lesson interface.
UI: Added fields to LessonManager and updated the Timetable display and tooltips.
Documentation: Updated GEMINI.md.

You'll need to run npx prisma migrate dev in the backend directory to apply the database changes.

USER 🧑‍💻

Course 間での Lesson 複製
- 指定した期間の Lesson について、重複する Lesson がない場合は、他の Course の授業を Main Teacher、Sub Teacher が設定されていない状態で複製できる。
  - この際、Room は複製先 Course の Main Room に変更する。
  - 複製先の Course に startDate と endDate が設定されている場合は、その範囲でしか、期間を設定できない。

MODEL ✨

USER 🧑‍💻

Tool Response:

{
  "id": "enter_plan_mode_1775646745543_0",
  "name": "enter_plan_mode",
  "response": {
    "output": "Switching to Plan mode."
  }
}

MODEL ✨

I will start by investigating the CourseManager.tsx component to identify the best location for the new "Duplicate Lessons" feature.Tool Command:

{
  "name": "read_file",
  "args": {
    "file_path": "src/components/CourseManager.tsx"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "read_file_1775646866253_0",
  "name": "read_file",
  "response": {
    "output": "import { useState, useEffect } from 'preact/hooks';\nimport { useTranslation } from 'react-i18next';\nimport { Resource, ResourceLabels } from '../types';\nimport './CourseManager.css';\n\ninterface Props {\n  backendUrl: string;\n  onClose: () => void;\n  onUpdate: () => Promise<void> | void;\n  resources: Resource[];\n  labels: ResourceLabels;\n}\n\nexport function CourseManager({ backendUrl, onClose, onUpdate, resources, labels }: Props) {\n  const { t } = useTranslation();\n  const [selectedCourseId, setSelectedCourseId] = useState<string | null>(null);\n  const [statusMessage, setStatusMessage] = useState<string | null>(null);\n  const [formData, setFormData] = useState<{\n    name: string;\n    order: number;\n    startDate: string;\n    endDate: string;\n    mainRoomId: string;\n    chiefTeacherId: string;\n    assistantTeacherIds: string[];\n    mainTeacherLabel: string;\n    subTeacherLabel: string;\n    subjects: { name: string; totalPeriods: number }[];\n  }>({\n    name: '',\n    order: 0,\n    startDate: '',\n    endDate: '',\n    mainRoomId: '',\n    chiefTeacherId: '',\n    assistantTeacherIds: [],\n    mainTeacherLabel: '',\n    subTeacherLabel: '',\n    subjects: []\n  });\n\n  const courses = resources.filter(r => r.type === 'course');\n  const rooms = resources.filter(r => r.type === 'room');\n  const teachers = resources.filter(r => r.type === 'teacher');\n\n  useEffect(() => {\n    if (selectedCourseId) {\n      const course = courses.find(c => c.id === selectedCourseId);\n      if (course) {\n        setFormData({\n          name: course.name,\n          order: course.order || 0,\n          startDate: course.startDate || '',\n          endDate: course.endDate || '',\n          mainRoomId: course.mainRoomId || '',\n          chiefTeacherId: course.chiefTeacherId || '',\n          assistantTeacherIds: course.assistantTeacherIds || (course.assistantTeachers || []).map(t => t.id),\n          mainTeacherLabel: course.mainTeacherLabel || '',\n          subTeacherLabel: course.subTeacherLabel || '',\n          subjects: course.subjects?.map(s => ({ name: s.name, totalPeriods: s.totalPeriods })) || []\n        });\n      }\n    } else {\n      setFormData({\n        name: '',\n        order: (courses.length + 1),\n        startDate: '',\n        endDate: '',\n        mainRoomId: '',\n        chiefTeacherId: '',\n        assistantTeacherIds: [],\n        mainTeacherLabel: '',\n        subTeacherLabel: '',\n        subjects: []\n      });\n    }\n  }, [selectedCourseId]);\n\n  const handleAddSubject = () => {\n    setFormData({\n      ...formData,\n      subjects: [...formData.subjects, { name: '', totalPeriods: 0 }]\n    });\n  };\n\n  const handleRemoveSubject = (index: number) => {\n    setFormData({\n      ...formData,\n      subjects: formData.subjects.filter((_, i) => i !== index)\n    });\n  };\n\n  const handleSubjectChange = (index: number, field: 'name' | 'totalPeriods', value: string | number) => {\n    const newSubjects = [...formData.subjects];\n    newSubjects[index] = { ...newSubjects[index], [field]: value };\n    setFormData({ ...formData, subjects: newSubjects });\n  };\n\n  const toggleAssistantTeacher = (id: string) => {\n    const newIds = formData.assistantTeacherIds.includes(id)\n      ? formData.assistantTeacherIds.filter(tid => tid !== id)\n      : [...formData.assistantTeacherIds, id];\n    setFormData({ ...formData, assistantTeacherIds: newIds });\n  };\n\n  const handleImportCSV = (e: any) => {\n    const file = e.currentTarget.files?.[0];\n    if (!file) return;\n\n    const reader = new FileReader();\n    reader.onload = (event) => {\n      let text = event.target?.result as string;\n      if (!text) return;\n\n      // Remove BOM if present\n      if (text.charCodeAt(0) === 0xFEFF) {\n        text = text.substring(1);\n      }\n\n      try {\n        const lines = text.split(/\\r?\\n/);\n        const importedSubjects: { name: string; totalPeriods: number }[] = [];\n        \n        lines.forEach((line, index) => {\n          const trimmedLine = line.trim();\n          if (!trimmedLine) return;\n\n          // Simple CSV split that handles quotes\n          const parts = trimmedLine.split(/,(?=(?:(?:[^\"]*\"){2})*[^\"]*$)/).map(s => {\n            let val = s.trim();\n            if (val.startsWith('\"') && val.endsWith('\"')) {\n              val = val.substring(1, val.length - 1).replace(/\"\"/g, '\"');\n            }\n            return val;\n          });\n\n          if (parts.length < 2) return;\n\n          const [name, totalPeriodsStr] = parts;\n          const totalPeriods = parseInt(totalPeriodsStr);\n          \n          // Skip header if it's the first line and totalPeriods is not a number\n          if (index === 0 && isNaN(totalPeriods)) return;\n\n          if (name && !isNaN(totalPeriods)) {\n            importedSubjects.push({ name, totalPeriods });\n          }\n        });\n\n        if (importedSubjects.length > 0) {\n          setFormData({ ...formData, subjects: [...formData.subjects, ...importedSubjects] });\n        }\n      } catch (err) {\n        console.error('Error parsing CSV:', err);\n        alert(t('Failed to parse CSV file'));\n      }\n    };\n    reader.readAsText(file);\n    // Reset input\n    e.currentTarget.value = '';\n  };\n\n  const handleSave = async () => {\n    try {\n      const res = await fetch(`${backendUrl}/courses`, {\n        method: 'POST',\n        headers: {\n          'Content-Type': 'application/json'\n        },\n        credentials: 'include',\n        body: JSON.stringify({\n          id: selectedCourseId,\n          ...formData\n        })\n      });\n      if (res.ok) {\n        onUpdate();\n        onClose();\n      } else {\n        alert(t('Failed to save course'));\n      }\n    } catch (err) {\n      console.error('Error saving course:', err);\n    }\n  };\n\n  const handleDelete = async () => {\n    if (!selectedCourseId) return;\n    if (!confirm(t('Are you sure you want to delete this course?'))) return;\n\n    try {\n      const res = await fetch(`${backendUrl}/courses/${selectedCourseId}`, {\n        method: 'DELETE',\n        credentials: 'include'\n      });\n      if (res.ok) {\n        onUpdate();\n        onClose();\n      } else {\n        alert(t('Failed to delete course'));\n      }\n    } catch (err) {\n      console.error('Error deleting course:', err);\n    }\n  };\n\n  const handleDuplicate = async () => {\n    if (!selectedCourseId) return;\n    try {\n      const res = await fetch(`${backendUrl}/courses/${selectedCourseId}/duplicate`, {\n        method: 'POST',\n        credentials: 'include'\n      });\n      if (res.ok) {\n        const data = await res.json();\n        // データを再取得\n        await onUpdate();\n        // 新しい講座を選択状態にする\n        setSelectedCourseId(data.id);\n        // メッセージを表示\n        setStatusMessage(t('Course duplicated successfully'));\n        // 数秒後にメッセージを消す\n        setTimeout(() => setStatusMessage(null), 3000);\n      } else {\n        alert(t('Failed to duplicate {{resource}}', { resource: labels.course }));\n      }\n    } catch (err) {\n      console.error('Error duplicating course:', err);\n    }\n  };\n\n  return (\n    <div className=\"course-manager-overlay\">\n      <div className=\"course-manager-box\">\n        <div className=\"course-manager-header\">\n          <h2>{t('Manage {{resource}}', { resource: labels.course })}</h2>\n          <button className=\"close-button\" onClick={onClose}>×</button>\n        </div>\n\n        {statusMessage && (\n          <div className=\"status-message-banner\">\n            {statusMessage}\n          </div>\n        )}\n\n        <div className=\"course-manager-content\">\n          <div className=\"course-selector\">\n            <label>{t('Select {{resource}} to Edit', { resource: labels.course })}</label>\n            <select \n              value={selectedCourseId || ''} \n              onChange={(e) => setSelectedCourseId(e.currentTarget.value || null)}\n            >\n              <option value=\"\">{t('Add New {{resource}}', { resource: labels.course })}</option>\n              {courses.map(c => (\n                <option key={c.id} value={c.id}>{c.name}</option>\n              ))}\n            </select>\n          </div>\n\n          <div className=\"course-form\">\n            <div className=\"form-group\">\n              <label>{t('{{resource}} Name', { resource: labels.course })}</label>\n              <input \n                type=\"text\" \n                value={formData.name} \n                onInput={(e) => setFormData({ ...formData, name: e.currentTarget.value })}\n              />\n            </div>\n            <div className=\"form-row\">\n              <div className=\"form-group\">\n                <label>{t('Start Date')}</label>\n                <input \n                  type=\"date\" \n                  value={formData.startDate} \n                  onInput={(e) => setFormData({ ...formData, startDate: e.currentTarget.value })}\n                />\n              </div>\n              <div className=\"form-group\">\n                <label>{t('End Date')}</label>\n                <input \n                  type=\"date\" \n                  value={formData.endDate} \n                  onInput={(e) => setFormData({ ...formData, endDate: e.currentTarget.value })}\n                />\n              </div>\n            </div>\n            <div className=\"form-group\">\n              <label>{t('Order')}</label>\n              <input \n                type=\"number\" \n                value={formData.order} \n                onInput={(e) => setFormData({ ...formData, order: parseInt(e.currentTarget.value) || 0 })}\n              />\n            </div>\n\n            <div className=\"form-group\">\n              <label>{labels.mainRoom}</label>\n              <select \n                value={formData.mainRoomId} \n                onChange={(e) => setFormData({ ...formData, mainRoomId: e.currentTarget.value })}\n              >\n                <option value=\"\">{t('Select Room')}</option>\n                {rooms.map(r => <option key={r.id} value={r.id}>{r.name}</option>)}\n              </select>\n            </div>\n\n            <div className=\"form-row\">\n              <div className=\"form-group\">\n                <label>{labels.mainTeacher}</label>\n                <select \n                  value={formData.chiefTeacherId} \n                  onChange={(e) => setFormData({ ...formData, chiefTeacherId: e.currentTarget.value })}\n                >\n                  <option value=\"\">{t('Select Teacher')}</option>\n                  {teachers.map(t => <option key={t.id} value={t.id}>{t.name}</option>)}\n                </select>\n              </div>\n              <div className=\"form-group\">\n                <label>{t('Instructor Label (Main)')}</label>\n                <input \n                  type=\"text\" \n                  value={formData.mainTeacherLabel} \n                  onInput={(e) => setFormData({ ...formData, mainTeacherLabel: e.currentTarget.value })}\n                  placeholder={labels.mainTeacher}\n                />\n              </div>\n            </div>\n\n            <div className=\"form-row\">\n              <div className=\"form-group\">\n                <label>{labels.subTeacher}</label>\n                <div className=\"sub-teacher-list\" style={{ maxHeight: '100px' }}>\n                  {teachers.filter(t => t.id !== formData.chiefTeacherId).map(t => (\n                    <label key={t.id} className={`sub-teacher-item ${formData.assistantTeacherIds.includes(t.id) ? 'selected' : ''}`}>\n                      <input \n                        type=\"checkbox\" \n                        checked={formData.assistantTeacherIds.includes(t.id)}\n                        onChange={() => toggleAssistantTeacher(t.id)}\n                      />\n                      {t.name}\n                    </label>\n                  ))}\n                </div>\n              </div>\n              <div className=\"form-group\">\n                <label>{t('Instructor Label (Sub)')}</label>\n                <input \n                  type=\"text\" \n                  value={formData.subTeacherLabel} \n                  onInput={(e) => setFormData({ ...formData, subTeacherLabel: e.currentTarget.value })}\n                  placeholder={labels.subTeacher}\n                />\n              </div>\n            </div>\n\n            <div className=\"subjects-section\">\n              <h3>{labels.subject}</h3>\n              {formData.subjects.map((s, index) => (\n                <div key={index} className=\"subject-row\">\n                  <input \n                    type=\"text\" \n                    placeholder={t('{{resource}} Name', { resource: labels.subject })}\n                    value={s.name}\n                    onInput={(e) => handleSubjectChange(index, 'name', e.currentTarget.value)}\n                  />\n                  <input \n                    type=\"number\" \n                    placeholder={t('Total Periods')}\n                    value={s.totalPeriods}\n                    onInput={(e) => handleSubjectChange(index, 'totalPeriods', parseInt(e.currentTarget.value) || 0)}\n                  />\n                  <button className=\"remove-btn\" onClick={() => handleRemoveSubject(index)}>×</button>\n                </div>\n              ))}\n              <div className=\"subjects-actions\">\n                <button className=\"add-btn\" onClick={handleAddSubject}>{t('Add {{resource}}', { resource: labels.subject })}</button>\n                <label className=\"import-csv-label\">\n                  <input\n                    type=\"file\"\n                    accept=\".csv\"\n                    style={{ display: 'none' }}\n                    onChange={handleImportCSV}\n                  />\n                  <span className=\"import-btn\">{t('Import CSV')}</span>\n                </label>\n              </div>\n            </div>\n          </div>\n        </div>\n\n        <div className=\"course-manager-footer\">\n          {selectedCourseId && (\n            <div className=\"footer-left\">\n              <button className=\"delete-button\" onClick={handleDelete}>{t('Delete')}</button>\n              <button className=\"duplicate-button\" onClick={handleDuplicate}>{t('Duplicate')}</button>\n            </div>\n          )}\n          <div className=\"footer-right\">\n            <button className=\"cancel-button\" onClick={onClose}>{t('Cancel')}</button>\n            <button className=\"save-button\" onClick={handleSave}>{t('Save Changes')}</button>\n          </div>\n        </div>\n      </div>\n    </div>\n  );\n}\n"
  }
}

MODEL ✨

Tool Command:

{
  "name": "write_file",
  "args": {
    "content": "# Plan: Duplicate Lessons Between Courses\n\nThe goal is to allow users to duplicate lessons from one course to another within a specified period. The duplicated lessons will have their teachers cleared and their room set to the destination course's main room.\n\n## Objective\n*   Implement a backend API to duplicate lessons between courses.\n*   Ensure duplicated lessons do not overlap with existing lessons in the destination course.\n*   Clear Main/Sub teachers in duplicated lessons.\n*   Set the room of duplicated lessons to the destination course's main room.\n*   Restrict the duplication period to the destination course's date range if set.\n*   Add a UI in `CourseManager` to trigger and configure lesson duplication.\n\n## Key Files & Context\n*   `backend/src/index.ts`: Backend API for duplication logic.\n*   `src/components/CourseManager.tsx`: UI to initiate the duplication process.\n*   `src/components/CourseManager.css`: Styling for the new duplication dialog.\n*   `src/types.ts`: Type definitions for the duplication request.\n\n## Implementation Steps\n\n### 1. Backend API (`backend/src/index.ts`)\n*   **POST /api/courses/:id/duplicate-lessons**:\n    *   Parameters: `id` (destination course ID).\n    *   Body: `{ sourceCourseId: string, startDate: string, endDate: string }`.\n    *   **Validation**:\n        *   Check permissions (Admin or Course Chief/Assistant for BOTH source and destination? Actually, maybe just destination course permission is enough, but source course might contain sensitive info. Let's require destination course management permission).\n        *   If destination course has `startDate`/`endDate`, verify the requested range is within them.\n    *   **Logic**:\n        *   Fetch all lessons of `sourceCourseId` within the `[startDate, endDate]` range.\n        *   Fetch all existing lessons of the destination course to check for overlaps.\n        *   For each source lesson:\n            *   Check if it overlaps with any existing lesson in the destination course (same start/end dates and periods).\n            *   If no overlap:\n                *   Create a new lesson in the destination course.\n                *   `courseId` = destination ID.\n                *   `teacherId` = `null`.\n                *   `subTeachers` = disconnect all.\n                *   `roomId` = destination course's `mainRoomId` (if set, otherwise `null`).\n                *   Copy: `subject`, `startDate`, `endDate`, `startPeriodId`, `endPeriodId`, `location`, `deliveryMethods`, `remarks`, `externalTeacher`, `externalSubTeachers`.\n    *   Return a summary (how many lessons duplicated).\n\n### 2. Frontend Course Manager (`src/components/CourseManager.tsx`)\n*   Add a \"Duplicate Lessons from Another Course\" button, visible when a course is selected.\n*   Create a sub-dialog (or inline form) for:\n    *   Selecting the `sourceCourseId` from a dropdown.\n    *   Entering `startDate` and `endDate`.\n*   Validate the dates against the selected (destination) course's range.\n*   Call the new API and show a success/failure message.\n\n### 3. Styling (`src/components/CourseManager.css`)\n*   Add styles for the new duplication form/dialog.\n\n## Verification & Testing\n1.  **Date Restriction**: Try to duplicate lessons outside the destination course's date range (if set) and verify it's blocked.\n2.  **Overlap Prevention**: Create a lesson in Course B. Try to duplicate a lesson from Course A that overlaps with it. Verify only non-overlapping lessons are duplicated.\n3.  **Resource Reset**: Verify that duplicated lessons in Course B have no teachers and are assigned to Course B's main room.\n4.  **Content Integrity**: Verify that `remarks`, `externalTeacher`, `deliveryMethods`, etc., are correctly copied.\n",
    "file_path": "/home/yasumichi/.gemini/tmp/education-scheduler/4f21a756-966e-44e0-a0a9-8c5098864288/plans/duplicate-lessons-between-courses.md"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "write_file_1775647188603_0",
  "name": "write_file",
  "response": {
    "output": "Successfully created and wrote to new file: /home/yasumichi/.gemini/tmp/education-scheduler/4f21a756-966e-44e0-a0a9-8c5098864288/plans/duplicate-lessons-between-courses.md. Here is the updated code:\n# Plan: Duplicate Lessons Between Courses\n\nThe goal is to allow users to duplicate lessons from one course to another within a specified period. The duplicated lessons will have their teachers cleared and their room set to the destination course's main room.\n\n## Objective\n*   Implement a backend API to duplicate lessons between courses.\n*   Ensure duplicated lessons do not overlap with existing lessons in the destination course.\n*   Clear Main/Sub teachers in duplicated lessons.\n*   Set the room of duplicated lessons to the destination course's main room.\n*   Restrict the duplication period to the destination course's date range if set.\n*   Add a UI in `CourseManager` to trigger and configure lesson duplication.\n\n## Key Files & Context\n*   `backend/src/index.ts`: Backend API for duplication logic.\n*   `src/components/CourseManager.tsx`: UI to initiate the duplication process.\n*   `src/components/CourseManager.css`: Styling for the new duplication dialog.\n*   `src/types.ts`: Type definitions for the duplication request.\n\n## Implementation Steps\n\n### 1. Backend API (`backend/src/index.ts`)\n*   **POST /api/courses/:id/duplicate-lessons**:\n    *   Parameters: `id` (destination course ID).\n    *   Body: `{ sourceCourseId: string, startDate: string, endDate: string }`.\n    *   **Validation**:\n        *   Check permissions (Admin or Course Chief/Assistant for BOTH source and destination? Actually, maybe just destination course permission is enough, but source course might contain sensitive info. Let's require destination course management permission).\n        *   If destination course has `startDate`/`endDate`, verify the requested range is within them.\n    *   **Logic**:\n        *   Fetch all lessons of `sourceCourseId` within the `[startDate, endDate]` range.\n        *   Fetch all existing lessons of the destination course to check for overlaps.\n        *   For each source lesson:\n            *   Check if it overlaps with any existing lesson in the destination course (same start/end dates and periods).\n            *   If no overlap:\n                *   Create a new lesson in the destination course.\n                *   `courseId` = destination ID.\n                *   `teacherId` = `null`.\n                *   `subTeachers` = disconnect all.\n                *   `roomId` = destination course's `mainRoomId` (if set, otherwise `null`).\n                *   Copy: `subject`, `startDate`, `endDate`, `startPeriodId`, `endPeriodId`, `location`, `deliveryMethods`, `remarks`, `externalTeacher`, `externalSubTeachers`.\n    *   Return a summary (how many lessons duplicated).\n\n### 2. Frontend Course Manager (`src/components/CourseManager.tsx`)\n*   Add a \"Duplicate Lessons from Another Course\" button, visible when a course is selected.\n*   Create a sub-dialog (or inline form) for:\n    *   Selecting the `sourceCourseId` from a dropdown.\n    *   Entering `startDate` and `endDate`.\n*   Validate the dates against the selected (destination) course's range.\n*   Call the new API and show a success/failure message.\n\n### 3. Styling (`src/components/CourseManager.css`)\n*   Add styles for the new duplication form/dialog.\n\n## Verification & Testing\n1.  **Date Restriction**: Try to duplicate lessons outside the destination course's date range (if set) and verify it's blocked.\n2.  **Overlap Prevention**: Create a lesson in Course B. Try to duplicate a lesson from Course A that overlaps with it. Verify only non-overlapping lessons are duplicated.\n3.  **Resource Reset**: Verify that duplicated lessons in Course B have no teachers and are assigned to Course B's main room.\n4.  **Content Integrity**: Verify that `remarks`, `externalTeacher`, `deliveryMethods`, etc., are correctly copied.\n"
  }
}

MODEL ✨

Tool Command:

{
  "name": "exit_plan_mode",
  "args": {
    "plan_filename": "duplicate-lessons-between-courses.md"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "exit_plan_mode_1775647199613_0",
  "name": "exit_plan_mode",
  "response": {
    "output": "Plan approved. Switching to Auto-Edit mode (edits will be applied automatically).\n\nThe approved implementation plan is stored at: /home/yasumichi/.gemini/tmp/education-scheduler/4f21a756-966e-44e0-a0a9-8c5098864288/plans/duplicate-lessons-between-courses.md\nRead and follow the plan strictly during implementation."
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "allow_multiple": false,
    "new_string": "    res.json(duplicated);\n  } catch (error) {\n    console.error('Failed to duplicate course:', error);\n    res.status(500).json({ error: 'Failed to duplicate course' });\n  }\n});\n\n// 講座間での授業複製 (ADMIN / Course Chief or Assistant Teacher)\napp.post('/api/courses/:id/duplicate-lessons', verifyToken, async (req: AuthRequest, res) => {\n  if (!req.user) return res.status(401).json({ error: 'Not authenticated' });\n  const { id: destinationCourseId } = req.params;\n  const { sourceCourseId, startDate, endDate } = req.body;\n\n  try {\n    // 権限チェック (複製先の講座に対して)\n    const hasPermission = await canManageCourseLessons(req.user.id, destinationCourseId);\n    if (!hasPermission) return res.status(403).json({ error: 'Access denied to destination course.' });\n\n    // 複製先の講座情報を取得\n    const destinationCourse = await prisma.resource.findUnique({\n      where: { id: destinationCourseId }\n    });\n    if (!destinationCourse || destinationCourse.type !== ResourceType.course) {\n      return res.status(404).json({ error: 'Destination course not found.' });\n    }\n\n    // 日付範囲バリデーション\n    if (destinationCourse.startDate && startDate < destinationCourse.startDate) {\n      return res.status(400).json({ error: `Start date cannot be before ${destinationCourse.startDate}` });\n    }\n    if (destinationCourse.endDate && endDate > destinationCourse.endDate) {\n      return res.status(400).json({ error: `End date cannot be after ${destinationCourse.endDate}` });\n    }\n\n    // 全ての時限を取得 (絶対時間計算用)\n    const periods = await prisma.timePeriod.findMany({ orderBy: { order: 'asc' } });\n    const getAbsTime = (date: string, pId: string) => {\n      const pIdx = periods.findIndex(p => p.id === pId);\n      return `${date}-${pIdx.toString().padStart(3, '0')}`;\n    };\n\n    // 複製元の授業を取得\n    const sourceLessons = await prisma.lesson.findMany({\n      where: {\n        courseId: sourceCourseId,\n        startDate: { gte: startDate },\n        endDate: { lte: endDate }\n      },\n      include: { deliveryMethods: { select: { id: true } } }\n    });\n\n    // 複製先の既存の授業を取得 (重複チェック用)\n    const existingLessons = await prisma.lesson.findMany({\n      where: { courseId: destinationCourseId }\n    });\n\n    let count = 0;\n    for (const sL of sourceLessons) {\n      const sStart = getAbsTime(sL.startDate, sL.startPeriodId);\n      const sEnd = getAbsTime(sL.endDate, sL.endPeriodId);\n\n      // 重複チェック\n      const isOverlapping = existingLessons.some(eL => {\n        const eStart = getAbsTime(eL.startDate, eL.startPeriodId);\n        const eEnd = getAbsTime(eL.endDate, eL.endPeriodId);\n        return sStart <= eEnd && eStart <= sEnd;\n      });\n\n      if (!isOverlapping) {\n        await prisma.lesson.create({\n          data: {\n            subject: sL.subject,\n            startDate: sL.startDate,\n            startPeriodId: sL.startPeriodId,\n            endDate: sL.endDate,\n            endPeriodId: sL.endPeriodId,\n            location: sL.location,\n            remarks: sL.remarks,\n            externalTeacher: sL.externalTeacher,\n            externalSubTeachers: sL.externalSubTeachers,\n            course: { connect: { id: destinationCourseId } },\n            room: destinationCourse.mainRoomId ? { connect: { id: destinationCourse.mainRoomId } } : undefined,\n            deliveryMethods: {\n              connect: sL.deliveryMethods.map(m => ({ id: m.id }))\n            }\n          }\n        });\n        count++;\n      }\n    }\n\n    res.json({ message: `Successfully duplicated ${count} lessons.`, count });\n  } catch (error) {\n    console.error('Failed to duplicate lessons:', error);\n    res.status(500).json({ error: 'Failed to duplicate lessons' });\n  }\n});",
    "instruction": "Add POST /api/courses/:id/duplicate-lessons endpoint for duplicating lessons between courses.",
    "old_string": "    res.json(duplicated);\n  } catch (error) {\n    console.error('Failed to duplicate course:', error);\n    res.status(500).json({ error: 'Failed to duplicate course' });\n  }\n});",
    "file_path": "backend/src/index.ts"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775647665754_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/backend/src/index.ts (1 replacements). Here is the updated code:\n...\n    console.error('Failed to duplicate course:', error);\n    res.status(500).json({ error: 'Failed to duplicate course' });\n  }\n});\n\n// 講座間での授業複製 (ADMIN / Course Chief or Assistant Teacher)\napp.post('/api/courses/:id/duplicate-lessons', verifyToken, async (req: AuthRequest, res) => {\n  if (!req.user) return res.status(401).json({ error: 'Not authenticated' });\n  const { id: destinationCourseId } = req.params;\n  const { sourceCourseId, startDate, endDate } = req.body;\n\n  try {\n    // 権限チェック (複製先の講座に対して)\n    const hasPermission = await canManageCourseLessons(req.user.id, destinationCourseId);\n    if (!hasPermission) return res.status(403).json({ error: 'Access denied to destination course.' });\n\n    // 複製先の講座情報を取得\n    const destinationCourse = await prisma.resource.findUnique({\n      where: { id: destinationCourseId }\n    });\n    if (!destinationCourse || destinationCourse.type !== ResourceType.course) {\n      return res.status(404).json({ error: 'Destination course not found.' });\n    }\n\n    // 日付範囲バリデーション\n    if (destinationCourse.startDate && startDate < destinationCourse.startDate) {\n      return res.status(400).json({ error: `Start date cannot be before ${destinationCourse.startDate}` });\n    }\n    if (destinationCourse.endDate && endDate > destinationCourse.endDate) {\n      return res.status(400).json({ error: `End date cannot be after ${destinationCourse.endDate}` });\n    }\n\n    // 全ての時限を取得 (絶対時間計算用)\n    const periods = await prisma.timePeriod.findMany({ orderBy: { order: 'asc' } });\n    const getAbsTime = (date: string, pId: string) => {\n      const pIdx = periods.findIndex(p => p.id === pId);\n      return `${date}-${pIdx.toString().padStart(3, '0')}`;\n    };\n\n    // 複製元の授業を取得\n    const sourceLessons = await prisma.lesson.findMany({\n      where: {\n        courseId: sourceCourseId,\n        startDate: { gte: startDate },\n        endDate: { lte: endDate }\n      },\n      include: { deliveryMethods: { select: { id: true } } }\n    });\n\n    // 複製先の既存の授業を取得 (重複チェック用)\n    const existingLessons = await prisma.lesson.findMany({\n      where: { courseId: destinationCourseId }\n    });\n\n    let count = 0;\n    for (const sL of sourceLessons) {\n      const sStart = getAbsTime(sL.startDate, sL.startPeriodId);\n      const sEnd = getAbsTime(sL.endDate, sL.endPeriodId);\n\n      // 重複チェック\n      const isOverlapping = existingLessons.some(eL => {\n        const eStart = getAbsTime(eL.startDate, eL.startPeriodId);\n        const eEnd = getAbsTime(eL.endDate, eL.endPeriodId);\n        return sStart <= eEnd && eStart <= sEnd;\n      });\n\n      if (!isOverlapping) {\n        await prisma.lesson.create({\n          data: {\n            subject: sL.subject,\n            startDate: sL.startDate,\n            startPeriodId: sL.startPeriodId,\n            endDate: sL.endDate,\n            endPeriodId: sL.endPeriodId,\n            location: sL.location,\n            remarks: sL.remarks,\n            externalTeacher: sL.externalTeacher,\n            externalSubTeachers: sL.externalSubTeachers,\n            course: { connect: { id: destinationCourseId } },\n            room: destinationCourse.mainRoomId ? { connect: { id: destinationCourse.mainRoomId } } : undefined,\n            deliveryMethods: {\n              connect: sL.deliveryMethods.map(m => ({ id: m.id }))\n            }\n          }\n        });\n        count++;\n      }\n    }\n\n    res.json({ message: `Successfully duplicated ${count} lessons.`, count });\n  } catch (error) {\n    console.error('Failed to duplicate lessons:', error);\n    res.status(500).json({ error: 'Failed to duplicate lessons' });\n  }\n});\n\n// 授業一覧取得 (認証必須)\napp.get('/api/lessons', verifyToken, async (req, res) => {\n  try {\n    const lessons = await prisma.lesson.findMany({\n      include: {\n..."
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "new_string": "  const [selectedCourseId, setSelectedCourseId] = useState<string | null>(null);\n  const [statusMessage, setStatusMessage] = useState<string | null>(null);\n  const [showDuplicateLessons, setShowDuplicateLessons] = useState(false);\n  const [duplicationData, setDuplicationData] = useState({\n    sourceCourseId: '',\n    startDate: '',\n    endDate: ''\n  });\n  const [formData, setFormData] = useState<{",
    "allow_multiple": false,
    "file_path": "src/components/CourseManager.tsx",
    "old_string": "  const [selectedCourseId, setSelectedCourseId] = useState<string | null>(null);\n  const [statusMessage, setStatusMessage] = useState<string | null>(null);\n  const [formData, setFormData] = useState<{",
    "instruction": "Add Duplicate Lessons feature to CourseManager. Add state for duplication dialog and UI elements to trigger it."
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775648317715_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/CourseManager.tsx (1 replacements). Here is the updated code:\n...\n\nexport function CourseManager({ backendUrl, onClose, onUpdate, resources, labels }: Props) {\n  const { t } = useTranslation();\n  const [selectedCourseId, setSelectedCourseId] = useState<string | null>(null);\n  const [statusMessage, setStatusMessage] = useState<string | null>(null);\n  const [showDuplicateLessons, setShowDuplicateLessons] = useState(false);\n  const [duplicationData, setDuplicationData] = useState({\n    sourceCourseId: '',\n    startDate: '',\n    endDate: ''\n  });\n  const [formData, setFormData] = useState<{\n    name: string;\n    order: number;\n    startDate: string;\n    endDate: string;\n..."
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "new_string": "  const handleDuplicate = async () => {\n    if (!selectedCourseId) return;\n    try {\n      const res = await fetch(`${backendUrl}/courses/${selectedCourseId}/duplicate`, {\n        method: 'POST',\n        credentials: 'include'\n      });\n      if (res.ok) {\n        const data = await res.json();\n        // データを再取得\n        await onUpdate();\n        // 新しい講座を選択状態にする\n        setSelectedCourseId(data.id);\n        // メッセージを表示\n        setStatusMessage(t('Course duplicated successfully'));\n        // 数秒後にメッセージを消す\n        setTimeout(() => setStatusMessage(null), 3000);\n      } else {\n        alert(t('Failed to duplicate {{resource}}', { resource: labels.course }));\n      }\n    } catch (err) {\n      console.error('Error duplicating course:', err);\n    }\n  };\n\n  const handleDuplicateLessons = async () => {\n    if (!selectedCourseId || !duplicationData.sourceCourseId || !duplicationData.startDate || !duplicationData.endDate) {\n      alert(t('Please select source course and date range'));\n      return;\n    }\n\n    // バリデーション: 複製先の講座の範囲内か\n    const destinationCourse = courses.find(c => c.id === selectedCourseId);\n    if (destinationCourse) {\n      if (destinationCourse.startDate && duplicationData.startDate < destinationCourse.startDate) {\n        alert(`${t('Start date cannot be before')} ${destinationCourse.startDate}`);\n        return;\n      }\n      if (destinationCourse.endDate && duplicationData.endDate > destinationCourse.endDate) {\n        alert(`${t('End date cannot be after')} ${destinationCourse.endDate}`);\n        return;\n      }\n    }\n\n    try {\n      const res = await fetch(`${backendUrl}/courses/${selectedCourseId}/duplicate-lessons`, {\n        method: 'POST',\n        headers: {\n          'Content-Type': 'application/json'\n        },\n        credentials: 'include',\n        body: JSON.stringify(duplicationData)\n      });\n      if (res.ok) {\n        const data = await res.json();\n        setStatusMessage(t('Successfully duplicated {{count}} lessons', { count: data.count }));\n        setShowDuplicateLessons(false);\n        setDuplicationData({ sourceCourseId: '', startDate: '', endDate: '' });\n        await onUpdate();\n        setTimeout(() => setStatusMessage(null), 3000);\n      } else {\n        const errData = await res.json();\n        alert(errData.error || t('Failed to duplicate lessons'));\n      }\n    } catch (err) {\n      console.error('Error duplicating lessons:', err);\n      alert(t('Error duplicating lessons'));\n    }\n  };\n\n  return (\n    <div className=\"course-manager-overlay\">\n      <div className=\"course-manager-box\">\n        <div className=\"course-manager-header\">\n          <h2>{t('Manage {{resource}}', { resource: labels.course })}</h2>\n          <button className=\"close-button\" onClick={onClose}>×</button>\n        </div>\n\n        {statusMessage && (\n          <div className=\"status-message-banner\">\n            {statusMessage}\n          </div>\n        )}\n\n        <div className=\"course-manager-content\">\n          <div className=\"course-selector\">\n            <label>{t('Select {{resource}} to Edit', { resource: labels.course })}</label>\n            <select \n              value={selectedCourseId || ''} \n              onChange={(e) => setSelectedCourseId(e.currentTarget.value || null)}\n            >\n              <option value=\"\">{t('Add New {{resource}}', { resource: labels.course })}</option>\n              {courses.map(c => (\n                <option key={c.id} value={c.id}>{c.name}</option>\n              ))}\n            </select>\n          </div>\n\n          {showDuplicateLessons && (\n            <div className=\"duplicate-lessons-dialog\">\n              <h3>{t('Duplicate Lessons from Another Course')}</h3>\n              <div className=\"form-group\">\n                <label>{t('Source Course')}</label>\n                <select \n                  value={duplicationData.sourceCourseId}\n                  onChange={(e) => setDuplicationData({ ...duplicationData, sourceCourseId: e.currentTarget.value })}\n                >\n                  <option value=\"\">{t('Select Course')}</option>\n                  {courses.filter(c => c.id !== selectedCourseId).map(c => (\n                    <option key={c.id} value={c.id}>{c.name}</option>\n                  ))}\n                </select>\n              </div>\n              <div className=\"form-row\">\n                <div className=\"form-group\">\n                  <label>{t('Start Date')}</label>\n                  <input \n                    type=\"date\" \n                    value={duplicationData.startDate}\n                    onInput={(e) => setDuplicationData({ ...duplicationData, startDate: e.currentTarget.value })}\n                  />\n                </div>\n                <div className=\"form-group\">\n                  <label>{t('End Date')}</label>\n                  <input \n                    type=\"date\" \n                    value={duplicationData.endDate}\n                    onInput={(e) => setDuplicationData({ ...duplicationData, endDate: e.currentTarget.value })}\n                  />\n                </div>\n              </div>\n              <div className=\"dialog-actions\">\n                <button className=\"cancel-button\" onClick={() => setShowDuplicateLessons(false)}>{t('Cancel')}</button>\n                <button className=\"confirm-button\" onClick={handleDuplicateLessons}>{t('Duplicate Now')}</button>\n              </div>\n            </div>\n          )}\n\n          <div className=\"course-form\">",
    "old_string": "  const handleDuplicate = async () => {\n    if (!selectedCourseId) return;\n    try {\n      const res = await fetch(`${backendUrl}/courses/${selectedCourseId}/duplicate`, {\n        method: 'POST',\n        credentials: 'include'\n      });\n      if (res.ok) {\n        const data = await res.json();\n        // データを再取得\n        await onUpdate();\n        // 新しい講座を選択状態にする\n        setSelectedCourseId(data.id);\n        // メッセージを表示\n        setStatusMessage(t('Course duplicated successfully'));\n        // 数秒後にメッセージを消す\n        setTimeout(() => setStatusMessage(null), 3000);\n      } else {\n        alert(t('Failed to duplicate {{resource}}', { resource: labels.course }));\n      }\n    } catch (err) {\n      console.error('Error duplicating course:', err);\n    }\n  };\n\n  return (\n    <div className=\"course-manager-overlay\">\n      <div className=\"course-manager-box\">\n        <div className=\"course-manager-header\">\n          <h2>{t('Manage {{resource}}', { resource: labels.course })}</h2>\n          <button className=\"close-button\" onClick={onClose}>×</button>\n        </div>\n\n        {statusMessage && (\n          <div className=\"status-message-banner\">\n            {statusMessage}\n          </div>\n        )}\n\n        <div className=\"course-manager-content\">\n          <div className=\"course-selector\">\n            <label>{t('Select {{resource}} to Edit', { resource: labels.course })}</label>\n            <select \n              value={selectedCourseId || ''} \n              onChange={(e) => setSelectedCourseId(e.currentTarget.value || null)}\n            >\n              <option value=\"\">{t('Add New {{resource}}', { resource: labels.course })}</option>\n              {courses.map(c => (\n                <option key={c.id} value={c.id}>{c.name}</option>\n              ))}\n            </select>\n          </div>\n\n          <div className=\"course-form\">",
    "instruction": "Add handleDuplicateLessons function and duplication dialog UI to CourseManager.",
    "file_path": "src/components/CourseManager.tsx",
    "allow_multiple": false
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775648695177_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/CourseManager.tsx (1 replacements). Here is the updated code:\n...\n    } catch (err) {\n      console.error('Error duplicating course:', err);\n    }\n  };\n\n  const handleDuplicateLessons = async () => {\n    if (!selectedCourseId || !duplicationData.sourceCourseId || !duplicationData.startDate || !duplicationData.endDate) {\n      alert(t('Please select source course and date range'));\n      return;\n    }\n\n    // バリデーション: 複製先の講座の範囲内か\n    const destinationCourse = courses.find(c => c.id === selectedCourseId);\n    if (destinationCourse) {\n      if (destinationCourse.startDate && duplicationData.startDate < destinationCourse.startDate) {\n        alert(`${t('Start date cannot be before')} ${destinationCourse.startDate}`);\n        return;\n      }\n      if (destinationCourse.endDate && duplicationData.endDate > destinationCourse.endDate) {\n        alert(`${t('End date cannot be after')} ${destinationCourse.endDate}`);\n        return;\n      }\n    }\n\n    try {\n      const res = await fetch(`${backendUrl}/courses/${selectedCourseId}/duplicate-lessons`, {\n        method: 'POST',\n        headers: {\n          'Content-Type': 'application/json'\n        },\n        credentials: 'include',\n        body: JSON.stringify(duplicationData)\n      });\n      if (res.ok) {\n        const data = await res.json();\n        setStatusMessage(t('Successfully duplicated {{count}} lessons', { count: data.count }));\n        setShowDuplicateLessons(false);\n        setDuplicationData({ sourceCourseId: '', startDate: '', endDate: '' });\n        await onUpdate();\n        setTimeout(() => setStatusMessage(null), 3000);\n      } else {\n        const errData = await res.json();\n        alert(errData.error || t('Failed to duplicate lessons'));\n      }\n    } catch (err) {\n      console.error('Error duplicating lessons:', err);\n      alert(t('Error duplicating lessons'));\n    }\n  };\n\n  return (\n    <div className=\"course-manager-overlay\">\n      <div className=\"course-manager-box\">\n        <div className=\"course-manager-header\">\n          <h2>{t('Manage {{resource}}', { resource: labels.course })}</h2>\n...\n                <option key={c.id} value={c.id}>{c.name}</option>\n              ))}\n            </select>\n          </div>\n\n          {showDuplicateLessons && (\n            <div className=\"duplicate-lessons-dialog\">\n              <h3>{t('Duplicate Lessons from Another Course')}</h3>\n              <div className=\"form-group\">\n                <label>{t('Source Course')}</label>\n                <select \n                  value={duplicationData.sourceCourseId}\n                  onChange={(e) => setDuplicationData({ ...duplicationData, sourceCourseId: e.currentTarget.value })}\n                >\n                  <option value=\"\">{t('Select Course')}</option>\n                  {courses.filter(c => c.id !== selectedCourseId).map(c => (\n                    <option key={c.id} value={c.id}>{c.name}</option>\n                  ))}\n                </select>\n              </div>\n              <div className=\"form-row\">\n                <div className=\"form-group\">\n                  <label>{t('Start Date')}</label>\n                  <input \n                    type=\"date\" \n                    value={duplicationData.startDate}\n                    onInput={(e) => setDuplicationData({ ...duplicationData, startDate: e.currentTarget.value })}\n                  />\n                </div>\n                <div className=\"form-group\">\n                  <label>{t('End Date')}</label>\n                  <input \n                    type=\"date\" \n                    value={duplicationData.endDate}\n                    onInput={(e) => setDuplicationData({ ...duplicationData, endDate: e.currentTarget.value })}\n                  />\n                </div>\n              </div>\n              <div className=\"dialog-actions\">\n                <button className=\"cancel-button\" onClick={() => setShowDuplicateLessons(false)}>{t('Cancel')}</button>\n                <button className=\"confirm-button\" onClick={handleDuplicateLessons}>{t('Duplicate Now')}</button>\n              </div>\n            </div>\n          )}\n\n          <div className=\"course-form\">\n            <div className=\"form-group\">\n              <label>{t('{{resource}} Name', { resource: labels.course })}</label>\n              <input \n                type=\"text\" \n..."
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "file_path": "src/components/CourseManager.tsx",
    "new_string": "        <div className=\"course-manager-footer\">\n          {selectedCourseId && (\n            <div className=\"footer-left\">\n              <button className=\"delete-button\" onClick={handleDelete}>{t('Delete')}</button>\n              <button className=\"duplicate-button\" onClick={handleDuplicate}>{t('Duplicate Course')}</button>\n              <button className=\"duplicate-lessons-btn\" onClick={() => setShowDuplicateLessons(true)}>{t('Duplicate Lessons')}</button>\n            </div>\n          )}\n          <div className=\"footer-right\">",
    "allow_multiple": false,
    "old_string": "        <div className=\"course-manager-footer\">\n          {selectedCourseId && (\n            <div className=\"footer-left\">\n              <button className=\"delete-button\" onClick={handleDelete}>{t('Delete')}</button>\n              <button className=\"duplicate-button\" onClick={handleDuplicate}>{t('Duplicate')}</button>\n            </div>\n          )}\n          <div className=\"footer-right\">",
    "instruction": "Add Duplicate Lessons button to the footer of CourseManager."
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775648735711_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/CourseManager.tsx (1 replacements). Here is the updated code:\n...\n\n        <div className=\"course-manager-footer\">\n          {selectedCourseId && (\n            <div className=\"footer-left\">\n              <button className=\"delete-button\" onClick={handleDelete}>{t('Delete')}</button>\n              <button className=\"duplicate-button\" onClick={handleDuplicate}>{t('Duplicate Course')}</button>\n              <button className=\"duplicate-lessons-btn\" onClick={() => setShowDuplicateLessons(true)}>{t('Duplicate Lessons')}</button>\n            </div>\n          )}\n          <div className=\"footer-right\">\n            <button className=\"cancel-button\" onClick={onClose}>{t('Cancel')}</button>\n            <button className=\"save-button\" onClick={handleSave}>{t('Save Changes')}</button>\n..."
  }
}

MODEL ✨

Tool Command:

{
  "name": "read_file",
  "args": {
    "file_path": "src/components/CourseManager.css"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "read_file_1775649285035_0",
  "name": "read_file",
  "response": {
    "output": ".course-manager-overlay {\n  position: fixed;\n  top: 0;\n  left: 0;\n  right: 0;\n  bottom: 0;\n  background-color: rgba(0,0,0,0.7);\n  display: flex;\n  justify-content: center;\n  align-items: center;\n  z-index: 1000;\n}\n\n.course-manager-box {\n  background-color: #242424;\n  color: #fff;\n  padding: 20px;\n  border-radius: 8px;\n  width: 90%;\n  max-width: 600px;\n  max-height: 90vh;\n  display: flex;\n  flex-direction: column;\n  box-shadow: 0 4px 12px rgba(0,0,0,0.5);\n}\n\n.course-manager-header {\n  display: flex;\n  justify-content: space-between;\n  align-items: center;\n  margin-bottom: 20px;\n  border-bottom: 1px solid #444;\n  padding-bottom: 10px;\n}\n\n.course-manager-header h2 {\n  margin: 0;\n}\n\n.status-message-banner {\n  background-color: #1e3a2a;\n  color: #a7f3d0;\n  padding: 8px 12px;\n  border-radius: 4px;\n  margin-bottom: 15px;\n  font-size: 0.9rem;\n  border: 1px solid #065f46;\n  text-align: center;\n}\n\n.course-manager-content {\n  flex: 1;\n  overflow-y: auto;\n  margin-bottom: 20px;\n}\n\n.course-selector {\n  margin-bottom: 20px;\n  padding-bottom: 20px;\n  border-bottom: 1px solid #444;\n}\n\n.course-selector select {\n  width: 100%;\n  padding: 8px;\n  background-color: #444;\n  color: #fff;\n  border: 1px solid #555;\n  border-radius: 4px;\n}\n\n.form-group {\n  display: flex;\n  flex-direction: column;\n  gap: 5px;\n  margin-bottom: 15px;\n}\n\n.form-row {\n  display: flex;\n  gap: 15px;\n}\n\n.form-row .form-group {\n  flex: 1;\n}\n\n.form-group label {\n  font-size: 0.85rem;\n  color: #aaa;\n}\n\n.form-group input {\n  background-color: #333;\n  border: 1px solid #555;\n  color: #fff;\n  padding: 8px;\n  border-radius: 4px;\n}\n\n.subjects-section {\n  margin-top: 20px;\n}\n\n.subjects-section h3 {\n  font-size: 1rem;\n  margin-bottom: 10px;\n}\n\n.subject-row {\n  display: flex;\n  gap: 10px;\n  margin-bottom: 10px;\n}\n\n.subject-row input[type=\"text\"] {\n  flex: 2;\n}\n\n.subject-row input[type=\"number\"] {\n  flex: 1;\n}\n\n.subject-row input {\n  background-color: #333;\n  border: 1px solid #555;\n  color: #fff;\n  padding: 6px;\n  border-radius: 4px;\n}\n\n.remove-btn {\n  background: #522;\n  color: #f88;\n  border: 1px solid #744;\n  border-radius: 4px;\n  cursor: pointer;\n  padding: 0 10px;\n}\n\n.subjects-actions {\n  display: flex;\n  gap: 10px;\n  margin-top: 5px;\n}\n\n.add-btn {\n  background: #252;\n  color: #8f8;\n  border: 1px solid #474;\n  border-radius: 4px;\n  cursor: pointer;\n  padding: 6px 12px;\n  font-size: 0.85rem;\n}\n\n.import-btn {\n  display: inline-block;\n  background: #335;\n  color: #88f;\n  border: 1px solid #447;\n  border-radius: 4px;\n  cursor: pointer;\n  padding: 6px 12px;\n  font-size: 0.85rem;\n}\n\n.course-manager-footer {\n  display: flex;\n  justify-content: space-between;\n  align-items: center;\n  border-top: 1px solid #444;\n  padding-top: 15px;\n}\n\n.footer-left {\n  display: flex;\n  gap: 10px;\n}\n\n.delete-button {\n  background-color: #522;\n  color: #f88;\n  border: 1px solid #744;\n  padding: 8px 16px;\n  border-radius: 4px;\n  cursor: pointer;\n}\n\n.duplicate-button {\n  background-color: #234;\n  color: #8af;\n  border: 1px solid #346;\n  padding: 8px 16px;\n  border-radius: 4px;\n  cursor: pointer;\n}\n\n.footer-right {\n  display: flex;\n  gap: 10px;\n}\n\n.cancel-button {\n  background-color: transparent;\n  border: 1px solid #666;\n  color: #ccc;\n  padding: 8px 16px;\n  border-radius: 4px;\n  cursor: pointer;\n}\n\n.save-button {\n  background-color: #646cff;\n  color: #fff;\n  border: none;\n  padding: 8px 16px;\n  border-radius: 4px;\n  cursor: pointer;\n  font-weight: bold;\n}\n\n@media (prefers-color-scheme: light) {\n  .course-manager-box { background-color: #fff; color: #333; }\n  .course-selector select, .form-group input, .subject-row input { background-color: #f5f5f5; border-color: #ccc; color: #333; }\n  .course-manager-header, .course-manager-footer, .course-selector { border-color: #eee; }\n  .remove-btn { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }\n  .status-message-banner { background-color: #dcfce7; color: #15803d; border-color: #bbf7d0; }\n  .add-btn { background: #dcfce7; color: #15803d; border-color: #bbf7d0; }\n  .import-btn { background: #dbeafe; color: #1d4ed8; border-color: #bfdbfe; }\n  .duplicate-button { background-color: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }\n}\n"
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "instruction": "Add CSS styles for duplicate-lessons-dialog and its components.",
    "new_string": ".duplicate-lessons-dialog {\n  background-color: #333;\n  padding: 15px;\n  border-radius: 6px;\n  margin-bottom: 20px;\n  border: 1px solid #646cff;\n}\n\n.duplicate-lessons-dialog h3 {\n  font-size: 0.95rem;\n  margin: 0 0 15px 0;\n  color: #646cff;\n}\n\n.duplicate-lessons-dialog .dialog-actions {\n  display: flex;\n  justify-content: flex-end;\n  gap: 10px;\n  margin-top: 15px;\n}\n\n.confirm-button {\n  background-color: #646cff;\n  color: #fff;\n  border: none;\n  padding: 6px 12px;\n  border-radius: 4px;\n  cursor: pointer;\n  font-size: 0.85rem;\n}\n\n.duplicate-lessons-btn {\n  background-color: #335;\n  color: #88f;\n  border: 1px solid #447;\n  padding: 8px 16px;\n  border-radius: 4px;\n  cursor: pointer;\n}\n\n@media (prefers-color-scheme: light) {\n  .course-manager-box { background-color: #fff; color: #333; }\n  .duplicate-lessons-dialog { background-color: #f0f0ff; border-color: #646cff; }\n  .duplicate-lessons-btn { background-color: #f0f0ff; color: #646cff; border-color: #646cff; }\n...",
    "allow_multiple": false,
    "old_string": "@media (prefers-color-scheme: light) {\n  .course-manager-box { background-color: #fff; color: #333; }\n...",
    "file_path": "src/components/CourseManager.css"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775649611220_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/CourseManager.css (1 replacements). Here is the updated code:\n...\n  padding: 8px 16px;\n  border-radius: 4px;\n  cursor: pointer;\n  font-weight: bold;\n}\n.duplicate-lessons-dialog {\n  background-color: #333;\n  padding: 15px;\n  border-radius: 6px;\n  margin-bottom: 20px;\n  border: 1px solid #646cff;\n}\n\n.duplicate-lessons-dialog h3 {\n  font-size: 0.95rem;\n  margin: 0 0 15px 0;\n  color: #646cff;\n}\n\n.duplicate-lessons-dialog .dialog-actions {\n  display: flex;\n  justify-content: flex-end;\n  gap: 10px;\n  margin-top: 15px;\n}\n\n.confirm-button {\n  background-color: #646cff;\n  color: #fff;\n  border: none;\n  padding: 6px 12px;\n  border-radius: 4px;\n  cursor: pointer;\n  font-size: 0.85rem;\n}\n\n.duplicate-lessons-btn {\n  background-color: #335;\n  color: #88f;\n  border: 1px solid #447;\n  padding: 8px 16px;\n  border-radius: 4px;\n  cursor: pointer;\n}\n\n@media (prefers-color-scheme: light) {\n  .course-manager-box { background-color: #fff; color: #333; }\n  .duplicate-lessons-dialog { background-color: #f0f0ff; border-color: #646cff; }\n  .duplicate-lessons-btn { background-color: #f0f0ff; color: #646cff; border-color: #646cff; }\n...\n  .course-selector select, .form-group input, .subject-row input { background-color: #f5f5f5; border-color: #ccc; color: #333; }\n  .course-manager-header, .course-manager-footer, .course-selector { border-color: #eee; }\n  .remove-btn { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }\n  .status-message-banner { background-color: #dcfce7; color: #15803d; border-color: #bbf7d0; }\n  .add-btn { background: #dcfce7; color: #15803d; border-color: #bbf7d0; }\n... Applied fuzzy match at line 222-224."
  }
}

MODEL ✨

Tool Command:

{
  "name": "run_shell_command",
  "args": {
    "description": "Run frontend and backend builds to verify changes.",
    "command": "npm run build && cd backend && npm run build"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "run_shell_command_1775650457438_0",
  "name": "run_shell_command",
  "response": {
    "output": "Output: npm warn Unknown project config \"min-release-age\". This will stop working in the next major version of npm.\n\n> scholatile@0.1.0 build\n> tsc && vite build\n\nvite v8.0.5 building client environment for production...\n✓ 370 modules transformed.\n✗ Build failed in 110ms\nerror during build:\nBuild failed with 1 error:\n\n[plugin vite:css-post]\nSyntaxError: [lightningcss minify] Expected identifier in class selector, got Delim('.')\n887 |    .duplicate-lessons-dialog { background-color: #f0f0ff; border-color: #646cff; }\n888 |    .duplicate-lessons-btn { background-color: #f0f0ff; color: #646cff; border-color: #646cff; }\n889 |  ...\n    |   ^\n890 |    .course-selector select, .form-group input, .subject-row input { background-color: #f5f5f5; border-color: #ccc; col...\n891 |    .course-manager-header, .course-manager-footer, .course-selector { border-color: #eee; }\n    at Module.<anonymous> (/path/to/Education-Scheduler/node_modules/lightningcss/node/index.js:56:14)\n    at minifyCSS (file:///path/to/Education-Scheduler/node_modules/vite/dist/node/chunks/node.js:21255:59)\n    at async finalizeCss (file:///path/to/Education-Scheduler/node_modules/vite/dist/node/chunks/node.js:21101:36)\n    at async Promise.all (index 1)\n    at async Object.run (file:///path/to/Education-Scheduler/node_modules/vite/dist/node/chunks/node.js:2436:22)\n    at async PluginContextImpl.renderChunk (file:///path/to/Education-Scheduler/node_modules/vite/dist/node/chunks/node.js:20640:19)\n    at async plugin (file:///path/to/Education-Scheduler/node_modules/rolldown/dist/shared/bindingify-input-options-e7ze4hPR.mjs:1234:16)\n    at async plugin.<computed> (file:///path/to/Education-Scheduler/node_modules/rolldown/dist/shared/bindingify-input-options-e7ze4hPR.mjs:1593:12)\n    at aggregateBindingErrorsIntoJsError (file:///path/to/Education-Scheduler/node_modules/rolldown/dist/shared/error-BLhcSyeg.mjs:48:18)\n    at unwrapBindingResult (file:///path/to/Education-Scheduler/node_modules/rolldown/dist/shared/error-BLhcSyeg.mjs:18:128)\n    at #build (file:///path/to/Education-Scheduler/node_modules/rolldown/dist/shared/rolldown-build-CPrIX9V6.mjs:3313:34)\n    at async buildEnvironment (file:///path/to/Education-Scheduler/node_modules/vite/dist/node/chunks/node.js:32939:64)\n    at async Object.build (file:///path/to/Education-Scheduler/node_modules/vite/dist/node/chunks/node.js:33361:19)\n    at async Object.buildApp (file:///path/to/Education-Scheduler/node_modules/vite/dist/node/chunks/node.js:33358:153)\n    at async CAC.<anonymous> (file:///path/to/Education-Scheduler/node_modules/vite/dist/node/cli.js:778:3) {\n  errors: [Getter/Setter]\n}\nExit Code: 1\nProcess Group PGID: 151077"
  }
}

MODEL ✨

Tool Command:

{
  "name": "read_file",
  "args": {
    "file_path": "src/components/CourseManager.css",
    "start_line": 190
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "read_file_1775650479078_0",
  "name": "read_file",
  "response": {
    "output": "\nIMPORTANT: The file content has been truncated.\nStatus: Showing lines 190-275 of 275 total lines.\nAction: To read more of the file, you can use the 'start_line' and 'end_line' parameters in a subsequent 'read_file' call. For example, to read the next section of the file, use start_line: 276.\n\n--- FILE CONTENT (truncated) ---\n.duplicate-button {\n  background-color: #234;\n  color: #8af;\n  border: 1px solid #346;\n  padding: 8px 16px;\n  border-radius: 4px;\n  cursor: pointer;\n}\n\n.footer-right {\n  display: flex;\n  gap: 10px;\n}\n\n.cancel-button {\n  background-color: transparent;\n  border: 1px solid #666;\n  color: #ccc;\n  padding: 8px 16px;\n  border-radius: 4px;\n  cursor: pointer;\n}\n\n.save-button {\n  background-color: #646cff;\n  color: #fff;\n  border: none;\n  padding: 8px 16px;\n  border-radius: 4px;\n  cursor: pointer;\n  font-weight: bold;\n}\n.duplicate-lessons-dialog {\n  background-color: #333;\n  padding: 15px;\n  border-radius: 6px;\n  margin-bottom: 20px;\n  border: 1px solid #646cff;\n}\n\n.duplicate-lessons-dialog h3 {\n  font-size: 0.95rem;\n  margin: 0 0 15px 0;\n  color: #646cff;\n}\n\n.duplicate-lessons-dialog .dialog-actions {\n  display: flex;\n  justify-content: flex-end;\n  gap: 10px;\n  margin-top: 15px;\n}\n\n.confirm-button {\n  background-color: #646cff;\n  color: #fff;\n  border: none;\n  padding: 6px 12px;\n  border-radius: 4px;\n  cursor: pointer;\n  font-size: 0.85rem;\n}\n\n.duplicate-lessons-btn {\n  background-color: #335;\n  color: #88f;\n  border: 1px solid #447;\n  padding: 8px 16px;\n  border-radius: 4px;\n  cursor: pointer;\n}\n\n@media (prefers-color-scheme: light) {\n  .course-manager-box { background-color: #fff; color: #333; }\n  .duplicate-lessons-dialog { background-color: #f0f0ff; border-color: #646cff; }\n  .duplicate-lessons-btn { background-color: #f0f0ff; color: #646cff; border-color: #646cff; }\n...\n  .course-selector select, .form-group input, .subject-row input { background-color: #f5f5f5; border-color: #ccc; color: #333; }\n  .course-manager-header, .course-manager-footer, .course-selector { border-color: #eee; }\n  .remove-btn { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }\n  .status-message-banner { background-color: #dcfce7; color: #15803d; border-color: #bbf7d0; }\n  .add-btn { background: #dcfce7; color: #15803d; border-color: #bbf7d0; }\n  .import-btn { background: #dbeafe; color: #1d4ed8; border-color: #bfdbfe; }\n  .duplicate-button { background-color: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }\n}\n"
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "allow_multiple": false,
    "old_string": "@media (prefers-color-scheme: light) {\n  .course-manager-box { background-color: #fff; color: #333; }\n  .duplicate-lessons-dialog { background-color: #f0f0ff; border-color: #646cff; }\n  .duplicate-lessons-btn { background-color: #f0f0ff; color: #646cff; border-color: #646cff; }\n...\n  .course-selector select, .form-group input, .subject-row input { background-color: #f5f5f5; border-color: #ccc; color: #333; }\n  .course-manager-header, .course-manager-footer, .course-selector { border-color: #eee; }\n  .remove-btn { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }\n  .status-message-banner { background-color: #dcfce7; color: #15803d; border-color: #bbf7d0; }\n  .add-btn { background: #dcfce7; color: #15803d; border-color: #bbf7d0; }\n  .import-btn { background: #dbeafe; color: #1d4ed8; border-color: #bfdbfe; }\n  .duplicate-button { background-color: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }\n}",
    "file_path": "src/components/CourseManager.css",
    "instruction": "Remove '...' placeholder and fix CSS syntax error in media query.",
    "new_string": "@media (prefers-color-scheme: light) {\n  .course-manager-box { background-color: #fff; color: #333; }\n  .duplicate-lessons-dialog { background-color: #f0f0ff; border-color: #646cff; }\n  .duplicate-lessons-btn { background-color: #f0f0ff; color: #646cff; border-color: #646cff; }\n  .course-selector select, .form-group input, .subject-row input { background-color: #f5f5f5; border-color: #ccc; color: #333; }\n  .course-manager-header, .course-manager-footer, .course-selector { border-color: #eee; }\n  .remove-btn { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }\n  .status-message-banner { background-color: #dcfce7; color: #15803d; border-color: #bbf7d0; }\n  .add-btn { background: #dcfce7; color: #15803d; border-color: #bbf7d0; }\n  .import-btn { background: #dbeafe; color: #1d4ed8; border-color: #bfdbfe; }\n  .duplicate-button { background-color: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }\n}"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775650519882_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/CourseManager.css (1 replacements). Here is the updated code:\n...\n\n@media (prefers-color-scheme: light) {\n  .course-manager-box { background-color: #fff; color: #333; }\n  .duplicate-lessons-dialog { background-color: #f0f0ff; border-color: #646cff; }\n  .duplicate-lessons-btn { background-color: #f0f0ff; color: #646cff; border-color: #646cff; }\n  .course-selector select, .form-group input, .subject-row input { background-color: #f5f5f5; border-color: #ccc; color: #333; }\n  .course-manager-header, .course-manager-footer, .course-selector { border-color: #eee; }\n  .remove-btn { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }\n  .status-message-banner { background-color: #dcfce7; color: #15803d; border-color: #bbf7d0; }\n  .add-btn { background: #dcfce7; color: #15803d; border-color: #bbf7d0; }\n..."
  }
}

MODEL ✨

Tool Command:

{
  "name": "run_shell_command",
  "args": {
    "description": "Re-run builds to verify the fix.",
    "command": "npm run build && cd backend && npm run build"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "run_shell_command_1775650581538_0",
  "name": "run_shell_command",
  "response": {
    "output": "Output: npm warn Unknown project config \"min-release-age\". This will stop working in the next major version of npm.\n\n> scholatile@0.1.0 build\n> tsc && vite build\n\nvite v8.0.5 building client environment for production...\n✓ 370 modules transformed.\ncomputing gzip size...\ndist/index.html                   0.39 kB │ gzip:  0.27 kB\ndist/assets/index-CG-BcRMN.css   34.16 kB │ gzip:  5.11 kB\ndist/assets/index-DyY32dr0.js   196.89 kB │ gzip: 55.14 kB\n\n✓ built in 150ms\n\n> scholatile-backend@1.0.0 build\n> tsc\nProcess Group PGID: 151638"
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "old_string": "- **講座の複製:** 関連する課目設定を含めた講座の複製が可能。\n- **システム設定:** 一般ユーザーのサインアップ可否や、1年ビューの開始月日のカスタマイズが可能。",
    "new_string": "- **講座の複製:** 関連する課目設定を含めた講座の複製が可能。\n- **講座間での授業複製:** 他の講座から指定期間の授業を、講師をクリアし、複製先講座のメイン教室を割り当てた状態で複製可能（重複回避機能付き）。\n- **システム設定:** 一般ユーザーのサインアップ可否や、1年ビューの開始月日のカスタマイズが可能。",
    "instruction": "Add Duplicate Lessons between courses feature to GEMINI.md.",
    "file_path": "GEMINI.md",
    "allow_multiple": false
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775650657202_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/GEMINI.md (1 replacements). Here is the updated code:\n...\n  - 祝日: Nager.Date API または JSON ファイルからインポート。\n  - 講座課目: CSV からの一括インポート。\n- **エクスポート機能:**\n  - スケジュール: 講師本人が自身の予定を iCalendar (.ics) 形式で書き出し可能。\n- **講座の複製:** 関連する課目設定を含めた講座の複製が可能。\n- **講座間での授業複製:** 他の講座から指定期間の授業を、講師をクリアし、複製先講座のメイン教室を割り当てた状態で複製可能（重複回避機能付き）。\n- **システム設定:** 一般ユーザーのサインアップ可否や、1年ビューの開始月日のカスタマイズが可能。\n- **ユーザー管理 & 権限:** \n  - ロール（ADMIN, TEACHER, STUDENT）による RBAC。\n  - **講師の授業管理:** \n    - 講座の「主任講師」または「副主任講師」は、その講座の授業をフル管理（追加・編集・削除）可能。\n..."
  }
}

MODEL ✨

I've implemented the feature to duplicate lessons between courses.

Backend API: Created POST /api/courses/:id/duplicate-lessons. It duplicates lessons within a given date range while clearing instructors and assigning the destination course's main room. It includes built-in logic to prevent overlaps.
Frontend UI: Added a "Duplicate Lessons" button and dialog to CourseManager. Users can now select a source course and a date range for duplication.
Validation: Added checks to ensure the duplication period stays within the destination course's date range and prevents duplicates from overlapping with existing lessons.
Documentation: Updated GEMINI.md to include this new feature.

To apply the database changes, please run npx prisma migrate dev in the backend directory.

USER 🧑‍💻

Excel データとして表示しているカレンダーをエクスポートする機能は作成可能か

MODEL ✨

はい、カレンダー（タイムテーブル）を Excel 形式（.xlsx）でエクスポートする機能の作成は可能です。

技術的には、以下のライブラリを使用して実装するのが一般的です：

フロントエンド: xlsx (SheetJS) — ブラウザ上で直接 Excel ファイルを生成・ダウンロードできます。
バックエンド: exceljs — サーバー側でより高度な装飾（セルの背景色、罫線、フォント設定など）を施したファイルを生成できます。

現在のカレンダー構造（縦軸：リソース、横軸：日付・時限）を Excel のセルにマッピングすることで、以下のような形式での出力が考えられます。

実装案

ヘッダー行: 1行目に日付、2行目に時限（時限ごとに列を分ける）を配置。
サイドバー列: A列にリソース名（教室・講師・講座名）を配置。
データセル: 該当する枠に授業名（Subject）や場所を記入。
- 色の再現: 授業方式やイベントの色をセルの背景色として設定可能。
- 重なりの処理: 1つのセルに複数の予定がある場合、改行して併記するか、行を分割して表現。

検討事項

エクスポートの範囲: 現在表示されているビュー（1週間、1ヶ月など）のみか、あるいは全期間か。
装飾の優先度: 単純なテキストデータで良いか、カレンダーの見た目（色など）をどこまで再現するか。

もし実装をご希望であれば、まずは詳細な仕様（どの範囲を、どのようなレイアウトで出力したいか）を固めるための調査・プラン作成を開始します。いかがいたしましょうか？

USER 🧑‍💻

以下の内容で調査・プラン作成

エクスポートの範囲: 現在表示されているビュー（1週間、1ヶ月など）のみ
装飾の優先度: カレンダーの見た目（色など）、カレンダーの背景は要らない。カードの見た目はある程度、再現。

USER 🧑‍💻

以下の内容で調査・プラン作成

エクスポートの範囲: 現在表示されているビュー（1週間、1ヶ月など）のみ
装飾の優先度: カレンダーの見た目（色など）、カレンダーの背景色は要らない。カードの見た目はある程度、再現。

MODEL ✨

Tool Command:

{
  "name": "enter_plan_mode",
  "args": {
    "reason": "Excelエクスポート機能の要件定義と、技術的な調査・実装プランを作成するため。"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "enter_plan_mode_1775652171273_0",
  "name": "enter_plan_mode",
  "response": {
    "output": "Switching to Plan mode."
  }
}

MODEL ✨

Tool Command:

{
  "name": "write_file",
  "args": {
    "content": "# Plan: Export Timetable to Excel (.xlsx)\n\nThis plan outlines the implementation of an Excel export feature that captures the currently displayed timetable view, including card colors and basic layout structure.\n\n## Objective\n*   Allow users to download the current calendar view (1 day, 1 week, 1 month, or 1 year) as an Excel file.\n*   Reproduce the calendar's grid structure (Resources as rows, Dates/Periods as columns).\n*   Maintain visual cues by applying background colors to cells representing lessons and events.\n*   Handle overlapping scheduled items by creating sub-rows for resources when necessary.\n\n## Technical Investigation & Decisions\n*   **Library:** Use `exceljs` for generating the Excel file. It provides excellent support for cell styling (background colors, borders, fonts) and cell merging.\n*   **Download Handler:** Use `file-saver` to trigger the browser's download dialog with the generated blob.\n*   **Generation Strategy:** Frontend-side generation. Since the frontend already holds the filtered data and calculated range for the current view, generating the file in the browser is efficient and reduces server load.\n*   **Color Conversion:** Implement a helper to convert CSS hex colors (`#RRGGBB`) to the ARGB format required by ExcelJS (`FFRRGGBB`).\n\n## Implementation Steps\n\n### 1. Setup Dependencies\n*   Add `exceljs` and `file-saver` to the project.\n*   Add `@types/file-saver` for TypeScript support.\n\n### 2. Export Utility Logic (`src/utils/excelExport.ts`)\nCreate a utility function `exportTimetableToExcel` that:\n1.  **Calculates the Data Range:** Determines the dates and periods to be included based on the current `viewType` and `baseDate`.\n2.  **Sets up the Worksheet:**\n    *   Column A: Resource names (Width ~25).\n    *   Subsequent columns: Each time period (Width ~10).\n3.  **Writes Headers:**\n    *   Row 1: Merged cells for each date, formatted as \"MMM d (ddd)\".\n    *   Row 2: Names of each time period (e.g., \"1st\", \"2nd\").\n4.  **Processes Resources:**\n    *   Iterates through filtered resources.\n    *   Uses the same layout level logic (`calculateLayout`) used in `Timetable.tsx` to handle overlapping lessons/events.\n    *   For each resource, creates one or more rows depending on the maximum level of overlap.\n5.  **Fills scheduled items:**\n    *   Identifies the start and end columns based on date and period index.\n    *   Merges cells for multi-period items.\n    *   Writes text: `Subject` + `Location`.\n    *   Applies `fill` (background color) and `font` (white/black depending on background brightness if possible, or just standard contrast).\n    *   Applies `alignment` (center/middle, wrap text).\n\n### 3. UI Integration (`src/components/Timetable.tsx` or `App.tsx`)\n*   Add an \"Export to Excel\" button (icon or text) to the controls header.\n*   Trigger the export function with current state: `viewMode`, `viewType`, `baseDate`, `resources`, `lessons`, `events`, `periods`, `labels`.\n\n### 4. Styling & Refinement\n*   Add borders to the entire grid for a professional look.\n*   Freeze the first two rows (headers) and the first column (resource names) so they remain visible when scrolling in Excel.\n\n## Verification & Testing\n1.  **View Consistency:** Verify that the exported Excel file matches the logical range of the \"Day\", \"Week\", \"Month\", and \"Year\" views.\n2.  **Color Accuracy:** Verify that lesson cards in Excel match the colors of the delivery methods in the web UI.\n3.  **Overlap Handling:** Verify that overlapping items are correctly displayed in separate (but logically grouped) rows in Excel.\n4.  **Merged Cells:** Ensure items spanning multiple periods or days are correctly merged in the sheet.\n5.  **Large Exports:** Test \"Year View\" export for performance and potential column limit issues.\n",
    "file_path": "/home/yasumichi/.gemini/tmp/education-scheduler/4f21a756-966e-44e0-a0a9-8c5098864288/plans/excel-export-feature.md"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "write_file_1775652455011_0",
  "name": "write_file",
  "response": {
    "output": "Successfully created and wrote to new file: /home/yasumichi/.gemini/tmp/education-scheduler/4f21a756-966e-44e0-a0a9-8c5098864288/plans/excel-export-feature.md. Here is the updated code:\n# Plan: Export Timetable to Excel (.xlsx)\n\nThis plan outlines the implementation of an Excel export feature that captures the currently displayed timetable view, including card colors and basic layout structure.\n\n## Objective\n*   Allow users to download the current calendar view (1 day, 1 week, 1 month, or 1 year) as an Excel file.\n*   Reproduce the calendar's grid structure (Resources as rows, Dates/Periods as columns).\n*   Maintain visual cues by applying background colors to cells representing lessons and events.\n*   Handle overlapping scheduled items by creating sub-rows for resources when necessary.\n\n## Technical Investigation & Decisions\n*   **Library:** Use `exceljs` for generating the Excel file. It provides excellent support for cell styling (background colors, borders, fonts) and cell merging.\n*   **Download Handler:** Use `file-saver` to trigger the browser's download dialog with the generated blob.\n*   **Generation Strategy:** Frontend-side generation. Since the frontend already holds the filtered data and calculated range for the current view, generating the file in the browser is efficient and reduces server load.\n*   **Color Conversion:** Implement a helper to convert CSS hex colors (`#RRGGBB`) to the ARGB format required by ExcelJS (`FFRRGGBB`).\n\n## Implementation Steps\n\n### 1. Setup Dependencies\n*   Add `exceljs` and `file-saver` to the project.\n*   Add `@types/file-saver` for TypeScript support.\n\n### 2. Export Utility Logic (`src/utils/excelExport.ts`)\nCreate a utility function `exportTimetableToExcel` that:\n1.  **Calculates the Data Range:** Determines the dates and periods to be included based on the current `viewType` and `baseDate`.\n2.  **Sets up the Worksheet:**\n    *   Column A: Resource names (Width ~25).\n    *   Subsequent columns: Each time period (Width ~10).\n3.  **Writes Headers:**\n    *   Row 1: Merged cells for each date, formatted as \"MMM d (ddd)\".\n    *   Row 2: Names of each time period (e.g., \"1st\", \"2nd\").\n4.  **Processes Resources:**\n    *   Iterates through filtered resources.\n    *   Uses the same layout level logic (`calculateLayout`) used in `Timetable.tsx` to handle overlapping lessons/events.\n    *   For each resource, creates one or more rows depending on the maximum level of overlap.\n5.  **Fills scheduled items:**\n    *   Identifies the start and end columns based on date and period index.\n    *   Merges cells for multi-period items.\n    *   Writes text: `Subject` + `Location`.\n    *   Applies `fill` (background color) and `font` (white/black depending on background brightness if possible, or just standard contrast).\n    *   Applies `alignment` (center/middle, wrap text).\n\n### 3. UI Integration (`src/components/Timetable.tsx` or `App.tsx`)\n*   Add an \"Export to Excel\" button (icon or text) to the controls header.\n*   Trigger the export function with current state: `viewMode`, `viewType`, `baseDate`, `resources`, `lessons`, `events`, `periods`, `labels`.\n\n### 4. Styling & Refinement\n*   Add borders to the entire grid for a professional look.\n*   Freeze the first two rows (headers) and the first column (resource names) so they remain visible when scrolling in Excel.\n\n## Verification & Testing\n1.  **View Consistency:** Verify that the exported Excel file matches the logical range of the \"Day\", \"Week\", \"Month\", and \"Year\" views.\n2.  **Color Accuracy:** Verify that lesson cards in Excel match the colors of the delivery methods in the web UI.\n3.  **Overlap Handling:** Verify that overlapping items are correctly displayed in separate (but logically grouped) rows in Excel.\n4.  **Merged Cells:** Ensure items spanning multiple periods or days are correctly merged in the sheet.\n5.  **Large Exports:** Test \"Year View\" export for performance and potential column limit issues.\n"
  }
}

MODEL ✨

Excelエクスポート機能の調査と実装プランを作成しました。

調査結果と方針

ライブラリ: セルの背景色、罫線、結合などの高度な装飾が可能な exceljs を使用します。
実装場所: フロントエンド側での生成。現在表示されているデータ（期間、リソース、計算済みのレイアウトなど）をそのまま利用できるため、効率的です。
レイアウト再現:
- 縦軸にリソース、横軸に日付と時限を配置します。
- 重なりへの対応: カレンダー上で縦に積み重なっている予定（レベル）は、Excel上でもリソースごとのサブ行として表現し、見た目の構造を維持します。
- 色の再現: 授業方式やイベントに設定されている色（Hex）を Excel の塗りつぶし色に変換して適用します。

実装プランの概要

依存関係の追加: exceljs と file-saver（ファイル保存用）を導入。
エクスポート用ユーティリティの作成: 表示中の viewType と baseDate から日付範囲を特定し、Excelのセル（列・行）にマッピングするロジックを実装。
UIへの統合: タイムテーブルの操作ヘッダーに「Excelエクスポート」ボタンを追加。
装飾の調整: ウィンドウ枠の固定（ヘッダーとリソース列）、セルの結合、中央揃え、罫線の設定を行い、読みやすいファイルを出力。

詳細は、プランファイル /home/yasumichi/.gemini/tmp/education-scheduler/4f21a756-966e-44e0-a0a9-8c5098864288/plans/excel-export-feature.md にまとめてあります。

このプランで実装を進めてよろしいでしょうか？（exit_plan_mode を呼び出して承認を得た後、実装を開始します）

USER 🧑‍💻

このプランで実装を進めて

MODEL ✨

Tool Command:

{
  "name": "exit_plan_mode",
  "args": {
    "plan_filename": "excel-export-feature.md"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "exit_plan_mode_1775653600503_0",
  "name": "exit_plan_mode",
  "response": {
    "output": "Plan approved. Switching to Auto-Edit mode (edits will be applied automatically).\n\nThe approved implementation plan is stored at: /home/yasumichi/.gemini/tmp/education-scheduler/4f21a756-966e-44e0-a0a9-8c5098864288/plans/excel-export-feature.md\nRead and follow the plan strictly during implementation."
  }
}

MODEL ✨

Tool Command:

{
  "name": "run_shell_command",
  "args": {
    "description": "Install exceljs and file-saver for Excel export functionality.",
    "command": "npm install exceljs file-saver && npm install --save-dev @types/file-saver"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "run_shell_command_1775654172188_0",
  "name": "run_shell_command",
  "response": {
    "output": "Output: npm warn Unknown project config \"min-release-age\". This will stop working in the next major version of npm.\nnpm warn deprecated inflight@1.0.6: This module is not supported, and leaks memory. Do not use it. Check out lru-cache if you want a good and tested way to coalesce async requests by a key value, which is much more comprehensive and powerful.\nnpm warn deprecated rimraf@2.7.1: Rimraf versions prior to v4 are no longer supported\nnpm warn deprecated glob@7.2.3: Old versions of glob are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exorbitant rates) by contacting i@izs.me\nnpm warn deprecated lodash.isequal@4.5.0: This package is deprecated. Use require('node:util').isDeepStrictEqual instead.\nnpm warn deprecated fstream@1.0.12: This package is no longer supported.\n\nadded 99 packages, and audited 226 packages in 21s\n\n39 packages are looking for funding\n  run `npm fund` for details\n\nfound 0 vulnerabilities\nnpm warn Unknown project config \"min-release-age\". This will stop working in the next major version of npm.\n\nadded 1 package, and audited 227 packages in 2s\n\n39 packages are looking for funding\n  run `npm fund` for details\n\nfound 0 vulnerabilities\nProcess Group PGID: 166783"
  }
}

MODEL ✨

Tool Command:

{
  "name": "write_file",
  "args": {
    "file_path": "src/utils/excelExport.ts",
    "content": "import ExcelJS from 'exceljs';\nimport { saveAs } from 'file-saver';\nimport { format, startOfDay, parseISO, isSameDay, isAfter, isBefore, addDays, getYear, differenceInDays } from 'date-fns';\nimport { TimePeriod, Resource, Lesson, ScheduleEvent, ResourceLabels, SystemSetting, ViewType, ResourceType, Holiday } from '../types';\n\ninterface ExportParams {\n  periods: TimePeriod[];\n  resources: Resource[];\n  lessons: Lesson[];\n  events: ScheduleEvent[];\n  viewMode: ResourceType;\n  viewType: ViewType;\n  baseDate: Date;\n  holidays: Holiday[];\n  labels: ResourceLabels;\n  systemSettings: SystemSetting | null;\n  t: (key: string, options?: any) => string;\n}\n\nexport async function exportTimetableToExcel({\n  periods, resources, lessons, events, viewMode, viewType, baseDate, holidays, labels, systemSettings, t\n}: ExportParams) {\n  const workbook = new ExcelJS.Workbook();\n  const worksheet = workbook.addWorksheet('Timetable');\n\n  const currentViewStart = startOfDay(baseDate);\n  \n  const getDayCount = () => {\n    if (viewType === 'day') return 1;\n    if (viewType === 'week') return 7;\n    if (viewType === 'month') return 30;\n    if (viewType === 'year') {\n      const month = systemSettings?.yearViewStartMonth ?? 4;\n      const day = systemSettings?.yearViewStartDay ?? 1;\n      const start = new Date(getYear(baseDate), month - 1, day);\n      const end = new Date(getYear(baseDate) + 1, month - 1, day);\n      return differenceInDays(end, start);\n    }\n    return 1;\n  };\n\n  const dayCount = getDayCount();\n  const displayDates = Array.from({ length: dayCount }).map((_, i) => addDays(currentViewStart, i));\n  const currentViewEnd = startOfDay(displayDates[displayDates.length - 1]);\n\n  const filteredResources = resources\n    .filter(r => r.type === viewMode)\n    .sort((a, b) => (a.order ?? 0) - (b.order ?? 0));\n\n  // Helper to convert hex to ARGB\n  const hexToARGB = (hex?: string) => {\n    if (!hex) return 'FFFFFFFF';\n    const cleanHex = hex.replace('#', '');\n    if (cleanHex.length === 3) {\n      const r = cleanHex[0] + cleanHex[0];\n      const g = cleanHex[1] + cleanHex[1];\n      const b = cleanHex[2] + cleanHex[2];\n      return `FF${r}${g}${b}`.toUpperCase();\n    }\n    return `FF${cleanHex}`.toUpperCase();\n  };\n\n  const getHoliday = (date: Date) => {\n    const target = startOfDay(date);\n    return holidays.find(h => {\n      if (h.date) return isSameDay(target, startOfDay(parseISO(h.date)));\n      if (h.start && h.end) {\n        const start = startOfDay(parseISO(h.start));\n        const end = startOfDay(parseISO(h.end));\n        return (isSameDay(target, start) || isAfter(target, start)) && \n               (isSameDay(target, end) || isBefore(target, end));\n      }\n      return false;\n    });\n  };\n\n  // Header Setup\n  worksheet.getColumn(1).width = 25;\n  for (let i = 0; i < displayDates.length * periods.length; i++) {\n    worksheet.getColumn(i + 2).width = 12;\n  }\n\n  // Row 1: Dates\n  const dateRow = worksheet.getRow(1);\n  dateRow.height = 25;\n  displayDates.forEach((date, dIdx) => {\n    const startCol = dIdx * periods.length + 2;\n    const endCol = startCol + periods.length - 1;\n    const cell = worksheet.getCell(1, startCol);\n    cell.value = format(date, 'MMM d (eee)');\n    cell.alignment = { horizontal: 'center', vertical: 'middle' };\n    cell.font = { bold: true };\n    const holiday = getHoliday(date);\n    const isSun = date.getDay() === 0;\n    const isSat = date.getDay() === 6;\n    if (holiday || isSun) {\n      cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFFFE4E1' } }; // MistyRose\n    } else if (isSat) {\n      cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFE6F3FF' } }; // LightBlue\n    }\n    if (periods.length > 1) {\n      worksheet.mergeCells(1, startCol, 1, endCol);\n    }\n  });\n\n  // Row 2: Periods\n  const periodRow = worksheet.getRow(2);\n  periodRow.height = 20;\n  displayDates.forEach((_, dIdx) => {\n    periods.forEach((p, pIdx) => {\n      const cell = worksheet.getCell(2, dIdx * periods.length + pIdx + 2);\n      cell.value = p.name;\n      cell.alignment = { horizontal: 'center', vertical: 'middle' };\n      cell.border = { bottom: { style: 'thin' }, left: { style: 'thin' }, right: { style: 'thin' }, top: { style: 'thin' } };\n    });\n  });\n\n  // Layout function\n  const calculateLayout = (items: { id: string, start: number, end: number }[]) => {\n    if (items.length === 0) return [];\n    const placements: { id: string, start: number, end: number, level: number, maxLevelInGroup: number }[] = [];\n    const sortedItems = [...items].sort((a, b) => a.start - b.start || (b.end - b.start) - (a.end - a.start));\n    sortedItems.forEach(item => {\n      let level = 0;\n      while (placements.some(p => p.level === level && !(item.end < p.start || item.start > p.end))) {\n        level++;\n      }\n      placements.push({ ...item, level, maxLevelInGroup: 0 });\n    });\n    placements.forEach(p => {\n      const overlapping = placements.filter(other => !(p.end < other.start || p.start > other.end));\n      p.maxLevelInGroup = Math.max(...overlapping.map(o => o.level)) + 1;\n    });\n    return placements;\n  };\n\n  let currentRow = 3;\n\n  // Process Resources\n  for (const res of filteredResources) {\n    const resItems: { id: string, start: number, end: number, type: 'event' | 'lesson', data: any }[] = [];\n    \n    events.forEach(e => {\n      const resourceIdList = [...(e.resourceIds || []), ...(e.resources || []).map(r => r.id)];\n      if (resourceIdList.includes(res.id)) {\n        const eStart = startOfDay(parseISO(e.startDate));\n        const eEnd = startOfDay(parseISO(e.endDate));\n        if (isAfter(eStart, currentViewEnd) || isBefore(eEnd, currentViewStart)) return;\n        const startDayIdx = displayDates.findIndex(d => isSameDay(d, eStart));\n        const endDayIdx = displayDates.findIndex(d => isSameDay(d, eEnd));\n        const startPeriodIdx = periods.findIndex(p => p.id === e.startPeriodId);\n        const endPeriodIdx = periods.findIndex(p => p.id === e.endPeriodId);\n        const sCol = (startDayIdx === -1) ? 2 : startDayIdx * periods.length + startPeriodIdx + 2;\n        const eCol = (endDayIdx === -1) ? (displayDates.length * periods.length + 1) : endDayIdx * periods.length + endPeriodIdx + 2;\n        resItems.push({ id: `e-${e.id}`, start: sCol, end: eCol, type: 'event', data: e });\n      }\n    });\n\n    lessons.forEach(l => {\n      const lStart = startOfDay(parseISO(l.startDate));\n      const lEnd = startOfDay(parseISO(l.endDate));\n      if (isAfter(lStart, currentViewEnd) || isBefore(lEnd, currentViewStart)) return;\n      const subIds = [...(l.subTeacherIds || []), ...(l.subTeachers || []).map(t => t.id)];\n      let isTarget = false;\n      if (viewMode === 'room' && l.roomId === res.id) isTarget = true;\n      else if (viewMode === 'teacher' && (l.teacherId === res.id || subIds.includes(res.id))) isTarget = true;\n      else if (viewMode === 'course' && l.courseId === res.id) isTarget = true;\n      if (isTarget) {\n        const startDayIdx = displayDates.findIndex(d => isSameDay(d, lStart));\n        const endDayIdx = displayDates.findIndex(d => isSameDay(d, lEnd));\n        const startPeriodIdx = periods.findIndex(p => p.id === l.startPeriodId);\n        const endPeriodIdx = periods.findIndex(p => p.id === l.endPeriodId);\n        const sCol = (startDayIdx === -1) ? 2 : startDayIdx * periods.length + startPeriodIdx + 2;\n        const eCol = (endDayIdx === -1) ? (displayDates.length * periods.length + 1) : endDayIdx * periods.length + endPeriodIdx + 2;\n        resItems.push({ id: `l-${l.id}`, start: sCol, end: eCol, type: 'lesson', data: l });\n      }\n    });\n\n    const layouts = calculateLayout(resItems);\n    const maxLevel = layouts.length > 0 ? Math.max(...layouts.map(l => l.level)) + 1 : 1;\n\n    // Merge resource name cell across sub-rows\n    const resCell = worksheet.getCell(currentRow, 1);\n    resCell.value = t(res.name);\n    resCell.alignment = { vertical: 'middle', horizontal: 'left' };\n    resCell.font = { bold: true };\n    if (maxLevel > 1) {\n      worksheet.mergeCells(currentRow, 1, currentRow + maxLevel - 1, 1);\n    }\n\n    // Fill background grid\n    for (let l = 0; l < maxLevel; l++) {\n      const row = worksheet.getRow(currentRow + l);\n      row.height = 35;\n      displayDates.forEach((date, dIdx) => {\n        const isSun = date.getDay() === 0;\n        const isSat = date.getDay() === 6;\n        const holiday = getHoliday(date);\n        periods.forEach((_, pIdx) => {\n          const cell = worksheet.getCell(currentRow + l, dIdx * periods.length + pIdx + 2);\n          cell.border = { bottom: { style: 'thin' }, left: { style: 'thin' }, right: { style: 'thin' }, top: { style: 'thin' } };\n          if (holiday || isSun) cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFFFF0F0' } };\n          else if (isSat) cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFF0F8FF' } };\n        });\n      });\n    }\n\n    // Place items\n    layouts.forEach(layout => {\n      const item = resItems.find(i => i.id === layout.id)!;\n      const targetRow = currentRow + layout.level;\n      const startCol = layout.start;\n      const endCol = layout.end;\n      const cell = worksheet.getCell(targetRow, startCol);\n      \n      if (item.type === 'event') {\n        const e = item.data as ScheduleEvent;\n        cell.value = e.name + (e.location ? ` (${e.location})` : '');\n        cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: hexToARGB(e.color || '#fef3c7') } };\n      } else {\n        const l = item.data as Lesson;\n        const mainTeacherName = l.teacherId ? (resources.find(r => r.id === l.teacherId)?.name || '') : (l.externalTeacher || '');\n        const roomName = l.roomId ? (resources.find(r => r.id === l.roomId)?.name || '') : (l.location || '');\n        cell.value = `${t(l.subject)}\\n${mainTeacherName} / ${roomName}`;\n        cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: hexToARGB((!l.teacherId && !l.externalTeacher) ? '#e884fa' : (l.deliveryMethods?.[0]?.color || '#646cff')) } };\n      }\n\n      cell.alignment = { horizontal: 'center', vertical: 'middle', wrapText: true };\n      cell.border = { bottom: { style: 'medium' }, left: { style: 'medium' }, right: { style: 'medium' }, top: { style: 'medium' } };\n      \n      if (endCol > startCol) {\n        worksheet.mergeCells(targetRow, startCol, targetRow, endCol);\n      }\n    });\n\n    currentRow += maxLevel;\n  }\n\n  // Final touches\n  worksheet.views = [{ state: 'frozen', xSplit: 1, ySplit: 2 }];\n\n  const buffer = await workbook.xlsx.writeBuffer();\n  const fileName = `ScholaTile_${viewMode}_${format(baseDate, 'yyyyMMdd')}.xlsx`;\n  saveAs(new Blob([buffer]), fileName);\n}\n"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "write_file_1775654695051_0",
  "name": "write_file",
  "response": {
    "output": "Successfully created and wrote to new file: /path/to/Education-Scheduler/src/utils/excelExport.ts. Here is the updated code:\nimport ExcelJS from 'exceljs';\nimport { saveAs } from 'file-saver';\nimport { format, startOfDay, parseISO, isSameDay, isAfter, isBefore, addDays, getYear, differenceInDays } from 'date-fns';\nimport { TimePeriod, Resource, Lesson, ScheduleEvent, ResourceLabels, SystemSetting, ViewType, ResourceType, Holiday } from '../types';\n\ninterface ExportParams {\n  periods: TimePeriod[];\n  resources: Resource[];\n  lessons: Lesson[];\n  events: ScheduleEvent[];\n  viewMode: ResourceType;\n  viewType: ViewType;\n  baseDate: Date;\n  holidays: Holiday[];\n  labels: ResourceLabels;\n  systemSettings: SystemSetting | null;\n  t: (key: string, options?: any) => string;\n}\n\nexport async function exportTimetableToExcel({\n  periods, resources, lessons, events, viewMode, viewType, baseDate, holidays, labels, systemSettings, t\n}: ExportParams) {\n  const workbook = new ExcelJS.Workbook();\n  const worksheet = workbook.addWorksheet('Timetable');\n\n  const currentViewStart = startOfDay(baseDate);\n  \n  const getDayCount = () => {\n    if (viewType === 'day') return 1;\n    if (viewType === 'week') return 7;\n    if (viewType === 'month') return 30;\n    if (viewType === 'year') {\n      const month = systemSettings?.yearViewStartMonth ?? 4;\n      const day = systemSettings?.yearViewStartDay ?? 1;\n      const start = new Date(getYear(baseDate), month - 1, day);\n      const end = new Date(getYear(baseDate) + 1, month - 1, day);\n      return differenceInDays(end, start);\n    }\n    return 1;\n  };\n\n  const dayCount = getDayCount();\n  const displayDates = Array.from({ length: dayCount }).map((_, i) => addDays(currentViewStart, i));\n  const currentViewEnd = startOfDay(displayDates[displayDates.length - 1]);\n\n  const filteredResources = resources\n    .filter(r => r.type === viewMode)\n    .sort((a, b) => (a.order ?? 0) - (b.order ?? 0));\n\n  // Helper to convert hex to ARGB\n  const hexToARGB = (hex?: string) => {\n    if (!hex) return 'FFFFFFFF';\n    const cleanHex = hex.replace('#', '');\n    if (cleanHex.length === 3) {\n      const r = cleanHex[0] + cleanHex[0];\n      const g = cleanHex[1] + cleanHex[1];\n      const b = cleanHex[2] + cleanHex[2];\n      return `FF${r}${g}${b}`.toUpperCase();\n    }\n    return `FF${cleanHex}`.toUpperCase();\n  };\n\n  const getHoliday = (date: Date) => {\n    const target = startOfDay(date);\n    return holidays.find(h => {\n      if (h.date) return isSameDay(target, startOfDay(parseISO(h.date)));\n      if (h.start && h.end) {\n        const start = startOfDay(parseISO(h.start));\n        const end = startOfDay(parseISO(h.end));\n        return (isSameDay(target, start) || isAfter(target, start)) && \n               (isSameDay(target, end) || isBefore(target, end));\n      }\n      return false;\n    });\n  };\n\n  // Header Setup\n  worksheet.getColumn(1).width = 25;\n  for (let i = 0; i < displayDates.length * periods.length; i++) {\n    worksheet.getColumn(i + 2).width = 12;\n  }\n\n  // Row 1: Dates\n  const dateRow = worksheet.getRow(1);\n  dateRow.height = 25;\n  displayDates.forEach((date, dIdx) => {\n    const startCol = dIdx * periods.length + 2;\n    const endCol = startCol + periods.length - 1;\n    const cell = worksheet.getCell(1, startCol);\n    cell.value = format(date, 'MMM d (eee)');\n    cell.alignment = { horizontal: 'center', vertical: 'middle' };\n    cell.font = { bold: true };\n    const holiday = getHoliday(date);\n    const isSun = date.getDay() === 0;\n    const isSat = date.getDay() === 6;\n    if (holiday || isSun) {\n      cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFFFE4E1' } }; // MistyRose\n    } else if (isSat) {\n      cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFE6F3FF' } }; // LightBlue\n    }\n    if (periods.length > 1) {\n      worksheet.mergeCells(1, startCol, 1, endCol);\n    }\n  });\n\n  // Row 2: Periods\n  const periodRow = worksheet.getRow(2);\n  periodRow.height = 20;\n  displayDates.forEach((_, dIdx) => {\n    periods.forEach((p, pIdx) => {\n      const cell = worksheet.getCell(2, dIdx * periods.length + pIdx + 2);\n      cell.value = p.name;\n      cell.alignment = { horizontal: 'center', vertical: 'middle' };\n      cell.border = { bottom: { style: 'thin' }, left: { style: 'thin' }, right: { style: 'thin' }, top: { style: 'thin' } };\n    });\n  });\n\n  // Layout function\n  const calculateLayout = (items: { id: string, start: number, end: number }[]) => {\n    if (items.length === 0) return [];\n    const placements: { id: string, start: number, end: number, level: number, maxLevelInGroup: number }[] = [];\n    const sortedItems = [...items].sort((a, b) => a.start - b.start || (b.end - b.start) - (a.end - a.start));\n    sortedItems.forEach(item => {\n      let level = 0;\n      while (placements.some(p => p.level === level && !(item.end < p.start || item.start > p.end))) {\n        level++;\n      }\n      placements.push({ ...item, level, maxLevelInGroup: 0 });\n    });\n    placements.forEach(p => {\n      const overlapping = placements.filter(other => !(p.end < other.start || p.start > other.end));\n      p.maxLevelInGroup = Math.max(...overlapping.map(o => o.level)) + 1;\n    });\n    return placements;\n  };\n\n  let currentRow = 3;\n\n  // Process Resources\n  for (const res of filteredResources) {\n    const resItems: { id: string, start: number, end: number, type: 'event' | 'lesson', data: any }[] = [];\n    \n    events.forEach(e => {\n      const resourceIdList = [...(e.resourceIds || []), ...(e.resources || []).map(r => r.id)];\n      if (resourceIdList.includes(res.id)) {\n        const eStart = startOfDay(parseISO(e.startDate));\n        const eEnd = startOfDay(parseISO(e.endDate));\n        if (isAfter(eStart, currentViewEnd) || isBefore(eEnd, currentViewStart)) return;\n        const startDayIdx = displayDates.findIndex(d => isSameDay(d, eStart));\n        const endDayIdx = displayDates.findIndex(d => isSameDay(d, eEnd));\n        const startPeriodIdx = periods.findIndex(p => p.id === e.startPeriodId);\n        const endPeriodIdx = periods.findIndex(p => p.id === e.endPeriodId);\n        const sCol = (startDayIdx === -1) ? 2 : startDayIdx * periods.length + startPeriodIdx + 2;\n        const eCol = (endDayIdx === -1) ? (displayDates.length * periods.length + 1) : endDayIdx * periods.length + endPeriodIdx + 2;\n        resItems.push({ id: `e-${e.id}`, start: sCol, end: eCol, type: 'event', data: e });\n      }\n    });\n\n    lessons.forEach(l => {\n      const lStart = startOfDay(parseISO(l.startDate));\n      const lEnd = startOfDay(parseISO(l.endDate));\n      if (isAfter(lStart, currentViewEnd) || isBefore(lEnd, currentViewStart)) return;\n      const subIds = [...(l.subTeacherIds || []), ...(l.subTeachers || []).map(t => t.id)];\n      let isTarget = false;\n      if (viewMode === 'room' && l.roomId === res.id) isTarget = true;\n      else if (viewMode === 'teacher' && (l.teacherId === res.id || subIds.includes(res.id))) isTarget = true;\n      else if (viewMode === 'course' && l.courseId === res.id) isTarget = true;\n      if (isTarget) {\n        const startDayIdx = displayDates.findIndex(d => isSameDay(d, lStart));\n        const endDayIdx = displayDates.findIndex(d => isSameDay(d, lEnd));\n        const startPeriodIdx = periods.findIndex(p => p.id === l.startPeriodId);\n        const endPeriodIdx = periods.findIndex(p => p.id === l.endPeriodId);\n        const sCol = (startDayIdx === -1) ? 2 : startDayIdx * periods.length + startPeriodIdx + 2;\n        const eCol = (endDayIdx === -1) ? (displayDates.length * periods.length + 1) : endDayIdx * periods.length + endPeriodIdx + 2;\n        resItems.push({ id: `l-${l.id}`, start: sCol, end: eCol, type: 'lesson', data: l });\n      }\n    });\n\n    const layouts = calculateLayout(resItems);\n    const maxLevel = layouts.length > 0 ? Math.max(...layouts.map(l => l.level)) + 1 : 1;\n\n    // Merge resource name cell across sub-rows\n    const resCell = worksheet.getCell(currentRow, 1);\n    resCell.value = t(res.name);\n    resCell.alignment = { vertical: 'middle', horizontal: 'left' };\n    resCell.font = { bold: true };\n    if (maxLevel > 1) {\n      worksheet.mergeCells(currentRow, 1, currentRow + maxLevel - 1, 1);\n    }\n\n    // Fill background grid\n    for (let l = 0; l < maxLevel; l++) {\n      const row = worksheet.getRow(currentRow + l);\n      row.height = 35;\n      displayDates.forEach((date, dIdx) => {\n        const isSun = date.getDay() === 0;\n        const isSat = date.getDay() === 6;\n        const holiday = getHoliday(date);\n        periods.forEach((_, pIdx) => {\n          const cell = worksheet.getCell(currentRow + l, dIdx * periods.length + pIdx + 2);\n          cell.border = { bottom: { style: 'thin' }, left: { style: 'thin' }, right: { style: 'thin' }, top: { style: 'thin' } };\n          if (holiday || isSun) cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFFFF0F0' } };\n          else if (isSat) cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFF0F8FF' } };\n        });\n      });\n    }\n\n    // Place items\n    layouts.forEach(layout => {\n      const item = resItems.find(i => i.id === layout.id)!;\n      const targetRow = currentRow + layout.level;\n      const startCol = layout.start;\n      const endCol = layout.end;\n      const cell = worksheet.getCell(targetRow, startCol);\n      \n      if (item.type === 'event') {\n        const e = item.data as ScheduleEvent;\n        cell.value = e.name + (e.location ? ` (${e.location})` : '');\n        cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: hexToARGB(e.color || '#fef3c7') } };\n      } else {\n        const l = item.data as Lesson;\n        const mainTeacherName = l.teacherId ? (resources.find(r => r.id === l.teacherId)?.name || '') : (l.externalTeacher || '');\n        const roomName = l.roomId ? (resources.find(r => r.id === l.roomId)?.name || '') : (l.location || '');\n        cell.value = `${t(l.subject)}\\n${mainTeacherName} / ${roomName}`;\n        cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: hexToARGB((!l.teacherId && !l.externalTeacher) ? '#e884fa' : (l.deliveryMethods?.[0]?.color || '#646cff')) } };\n      }\n\n      cell.alignment = { horizontal: 'center', vertical: 'middle', wrapText: true };\n      cell.border = { bottom: { style: 'medium' }, left: { style: 'medium' }, right: { style: 'medium' }, top: { style: 'medium' } };\n      \n      if (endCol > startCol) {\n        worksheet.mergeCells(targetRow, startCol, targetRow, endCol);\n      }\n    });\n\n    currentRow += maxLevel;\n  }\n\n  // Final touches\n  worksheet.views = [{ state: 'frozen', xSplit: 1, ySplit: 2 }];\n\n  const buffer = await workbook.xlsx.writeBuffer();\n  const fileName = `ScholaTile_${viewMode}_${format(baseDate, 'yyyyMMdd')}.xlsx`;\n  saveAs(new Blob([buffer]), fileName);\n}\n"
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "file_path": "src/components/Timetable.tsx",
    "instruction": "Import exportTimetableToExcel and add Export to Excel button.",
    "new_string": "import { format, addDays, isSameDay, parseISO, getYear, differenceInDays, isWithinInterval, isBefore, isAfter, startOfDay } from 'date-fns';\nimport './Timetable.css';\nimport { useTranslation } from 'react-i18next';\nimport { JSX } from 'preact';\nimport { exportTimetableToExcel } from '../utils/excelExport';\n\ninterface Props {\n...\n  const stickyLeft = { position: 'sticky', left: 0 } as JSX.CSSProperties;\n\n  const handleExport = () => {\n    exportTimetableToExcel({\n      periods, resources, lessons, events, viewMode, viewType, baseDate, holidays, labels, systemSettings, t\n    });\n  };\n\n  const dateHeaders = displayDates.map((date, dIdx) => {\n...\n  return (\n    <div className=\"timetable-wrapper\" style={wrapperStyle}>\n      <button className=\"excel-export-btn\" onClick={handleExport} title={t('Export to Excel')}>\n        <svg width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\">\n          <path d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"></path>\n          <polyline points=\"14 2 14 8 20 8\"></polyline>\n          <line x1=\"16\" y1=\"13\" x2=\"8\" y2=\"13\"></line>\n          <line x1=\"16\" y1=\"17\" x2=\"8\" y2=\"17\"></line>\n          <polyline points=\"10 9 9 9 8 9\"></polyline>\n        </svg>\n      </button>\n      <div \n        key={`grid-${viewType}-${baseDate.getTime()}-${viewMode}-${filteredResources.length}-${totalCols}`}\n",
    "old_string": "import { format, addDays, isSameDay, parseISO, getYear, differenceInDays, isWithinInterval, isBefore, isAfter, startOfDay } from 'date-fns';\nimport './Timetable.css';\nimport { useTranslation } from 'react-i18next';\nimport { JSX } from 'preact';\n\ninterface Props {\n...\n  const stickyLeft = { position: 'sticky', left: 0 } as JSX.CSSProperties;\n\n  const dateHeaders = displayDates.map((date, dIdx) => {\n...\n  return (\n    <div className=\"timetable-wrapper\" style={wrapperStyle}>\n      <div \n        key={`grid-${viewType}-${baseDate.getTime()}-${viewMode}-${filteredResources.length}-${totalCols}`}\n",
    "allow_multiple": false
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775656266012_0",
  "name": "replace",
  "response": {
    "error": "Failed to edit, 0 occurrences found for old_string in src/components/Timetable.tsx. Ensure you're not escaping content incorrectly and check whitespace, indentation, and context. Use read_file tool to verify."
  }
}

MODEL ✨

Tool Command:

{
  "name": "read_file",
  "args": {
    "end_line": 100,
    "file_path": "src/components/Timetable.tsx",
    "start_line": 1
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "read_file_1775656502420_0",
  "name": "read_file",
  "response": {
    "output": "\nIMPORTANT: The file content has been truncated.\nStatus: Showing lines 1-100 of 451 total lines.\nAction: To read more of the file, you can use the 'start_line' and 'end_line' parameters in a subsequent 'read_file' call. For example, to read the next section of the file, use start_line: 101.\n\n--- FILE CONTENT (truncated) ---\nimport { TimePeriod, Resource, Lesson, ResourceType, ViewType, Holiday, ResourceLabels, ScheduleEvent, SystemSetting } from '../types';\nimport { format, addDays, isSameDay, parseISO, getYear, differenceInDays, isWithinInterval, isBefore, isAfter, startOfDay } from 'date-fns';\nimport './Timetable.css';\nimport { useTranslation } from 'react-i18next';\nimport { JSX } from 'preact';\n\ninterface Props {\n  periods: TimePeriod[];\n  resources: Resource[];\n  lessons: Lesson[];\n  events: ScheduleEvent[];\n  viewMode: ResourceType;\n  viewType: ViewType;\n  baseDate: Date;\n  holidays: Holiday[];\n  labels: ResourceLabels;\n  systemSettings: SystemSetting | null;\n  onEventClick?: (event: ScheduleEvent) => void;\n  onEmptyEventClick?: (date: string, periodId: string) => void;\n  onLessonClick?: (lesson: Lesson) => void;\n  onEmptyResourceCellClick?: (resourceId: string, date: string, periodId: string) => void;\n}\n\nexport function Timetable({ \n  periods, resources, lessons, events, viewMode, viewType, baseDate, holidays, labels, systemSettings,\n  onEventClick, onEmptyEventClick, onLessonClick, onEmptyResourceCellClick \n}: Props) {\n  const { t } = useTranslation();\n  const locale = navigator.language;\n  const dateFormatter = new Intl.DateTimeFormat(locale, { month: 'short', day: 'numeric', weekday: 'short' });\n\n  const getResourceName = (id: string) => {\n    const res = resources.find(r => r.id === id);\n    return res ? t(res.name) : id;\n  };\n\n  const currentViewStart = startOfDay(baseDate);\n\n  const getHoliday = (date: Date) => {\n    const target = startOfDay(date);\n    return holidays.find(h => {\n      if (h.date) return isSameDay(target, startOfDay(parseISO(h.date)));\n      if (h.start && h.end) {\n        const start = startOfDay(parseISO(h.start));\n        const end = startOfDay(parseISO(h.end));\n        return (isSameDay(target, start) || isAfter(target, start)) && \n               (isSameDay(target, end) || isBefore(target, end));\n      }\n      return false;\n    });\n  };\n\n  const getDayCount = () => {\n    if (viewType === 'day') return 1;\n    if (viewType === 'week') return 7;\n    if (viewType === 'month') return 30;\n    if (viewType === 'year') {\n      const month = systemSettings?.yearViewStartMonth ?? 4;\n      const day = systemSettings?.yearViewStartDay ?? 1;\n      \n      const start = new Date(getYear(baseDate), month - 1, day);\n      const end = new Date(getYear(baseDate) + 1, month - 1, day);\n      return differenceInDays(end, start);\n    }\n    return 1;\n  };\n\n  const dayCount = getDayCount();\n  const displayDates = Array.from({ length: dayCount }).map((_, i) => addDays(currentViewStart, i));\n  const currentViewEnd = startOfDay(displayDates[displayDates.length - 1]);\n\n  const filteredResources = resources\n    .filter(r => r.type === viewMode)\n    .sort((a, b) => (a.order ?? 0) - (b.order ?? 0));\n\n  const isDayView = viewType === 'day';\n  const colWidthNum = isDayView ? 60 : 50;\n  const colWidth = isDayView ? '1fr' : `${colWidthNum}px`;\n  const totalCols = displayDates.length * periods.length;\n  const totalWidth = 150 + totalCols * colWidthNum;\n\n  const gridStyle = {\n    '--col-width': isDayView ? 'auto' : colWidth,\n    display: 'grid',\n    width: isDayView ? '100%' : 'fit-content',\n    minWidth: isDayView ? '0' : `${totalWidth}px`,\n    gridTemplateColumns: `150px repeat(${totalCols}, ${colWidth})`,\n    gridTemplateRows: `40px 30px 80px repeat(${filteredResources.length || 0}, 80px)`,\n  } as JSX.CSSProperties;\n\n  const stickyLeft = { position: 'sticky', left: 0 } as JSX.CSSProperties;\n\n  const dateHeaders = displayDates.map((date, dIdx) => {\n    const holiday = getHoliday(date);\n    const isSun = date.getDay() === 0;\n    const isSat = date.getDay() === 6;\n    const isFirstOfMonth = date.getDate() === 1;\n\n    let className = 'date-header';\n    if (isSun) className += ' is-sunday';"
  }
}

MODEL ✨

Tool Command:

{
  "name": "read_file",
  "args": {
    "file_path": "src/components/Timetable.tsx",
    "start_line": 440
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "read_file_1775657334810_0",
  "name": "read_file",
  "response": {
    "output": "\nIMPORTANT: The file content has been truncated.\nStatus: Showing lines 440-451 of 451 total lines.\nAction: To read more of the file, you can use the 'start_line' and 'end_line' parameters in a subsequent 'read_file' call. For example, to read the next section of the file, use start_line: 452.\n\n--- FILE CONTENT (truncated) ---\n        {eventLabel}\n        {eventCells}\n        {/* レベル別の配置を確保 */}\n        {holidayItems}\n        {globalEventItems}\n        {resourceRowItems}\n        {resourceLabels}\n      </div>\n    </div>\n  );\n}\n"
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "file_path": "src/components/Timetable.tsx",
    "old_string": "import { format, addDays, isSameDay, parseISO, getYear, differenceInDays, isWithinInterval, isBefore, isAfter, startOfDay } from 'date-fns';\nimport './Timetable.css';\nimport { useTranslation } from 'react-i18next';\nimport { JSX } from 'preact';",
    "allow_multiple": false,
    "instruction": "Import exportTimetableToExcel.",
    "new_string": "import { format, addDays, isSameDay, parseISO, getYear, differenceInDays, isWithinInterval, isBefore, isAfter, startOfDay } from 'date-fns';\nimport './Timetable.css';\nimport { useTranslation } from 'react-i18next';\nimport { JSX } from 'preact';\nimport { exportTimetableToExcel } from '../utils/excelExport';"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775658533145_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/Timetable.tsx (1 replacements). Here is the updated code:\nimport { TimePeriod, Resource, Lesson, ResourceType, ViewType, Holiday, ResourceLabels, ScheduleEvent, SystemSetting } from '../types';\nimport { format, addDays, isSameDay, parseISO, getYear, differenceInDays, isWithinInterval, isBefore, isAfter, startOfDay } from 'date-fns';\nimport './Timetable.css';\nimport { useTranslation } from 'react-i18next';\nimport { JSX } from 'preact';\nimport { exportTimetableToExcel } from '../utils/excelExport';\n\ninterface Props {\n  periods: TimePeriod[];\n  resources: Resource[];\n  lessons: Lesson[];\n..."
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "new_string": "  const stickyLeft = { position: 'sticky', left: 0 } as JSX.CSSProperties;\n\n  const handleExport = () => {\n    exportTimetableToExcel({\n      periods, resources, lessons, events, viewMode, viewType, baseDate, holidays, labels, systemSettings, t\n    });\n  };\n\n  const dateHeaders = displayDates.map((date, dIdx) => {",
    "old_string": "  const stickyLeft = { position: 'sticky', left: 0 } as JSX.CSSProperties;\n\n  const dateHeaders = displayDates.map((date, dIdx) => {",
    "file_path": "src/components/Timetable.tsx",
    "instruction": "Add handleExport function.",
    "allow_multiple": false
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775658618712_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/Timetable.tsx (1 replacements). Here is the updated code:\n...\n    gridTemplateRows: `40px 30px 80px repeat(${filteredResources.length || 0}, 80px)`,\n  } as JSX.CSSProperties;\n\n  const stickyLeft = { position: 'sticky', left: 0 } as JSX.CSSProperties;\n\n  const handleExport = () => {\n    exportTimetableToExcel({\n      periods, resources, lessons, events, viewMode, viewType, baseDate, holidays, labels, systemSettings, t\n    });\n  };\n\n  const dateHeaders = displayDates.map((date, dIdx) => {\n    const holiday = getHoliday(date);\n    const isSun = date.getDay() === 0;\n    const isSat = date.getDay() === 6;\n    const isFirstOfMonth = date.getDate() === 1;\n..."
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "instruction": "Add Export to Excel button to JSX.",
    "file_path": "src/components/Timetable.tsx",
    "old_string": "  return (\n    <div className=\"timetable-wrapper\" style={wrapperStyle}>\n      <div \n        key={`grid-${viewType}-${baseDate.getTime()}-${viewMode}-${filteredResources.length}-${totalCols}`}\n        className=\"timetable-container\" \n        style={gridStyle}\n      >",
    "allow_multiple": false,
    "new_string": "  return (\n    <div className=\"timetable-wrapper\" style={wrapperStyle}>\n      <button className=\"excel-export-btn\" onClick={handleExport} title={t('Export to Excel')}>\n        <svg width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\">\n          <path d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"></path>\n          <polyline points=\"14 2 14 8 20 8\"></polyline>\n          <line x1=\"16\" y1=\"13\" x2=\"8\" y2=\"13\"></line>\n          <line x1=\"16\" y1=\"17\" x2=\"8\" y2=\"17\"></line>\n          <polyline points=\"10 9 9 9 8 9\"></polyline>\n        </svg>\n      </button>\n      <div \n        key={`grid-${viewType}-${baseDate.getTime()}-${viewMode}-${filteredResources.length}-${totalCols}`}\n        className=\"timetable-container\" \n        style={gridStyle}\n      >"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775659425567_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/Timetable.tsx (1 replacements). Here is the updated code:\n...\n    overflowX: isDayView ? 'hidden' : 'auto'\n  } as JSX.CSSProperties;\n\n  return (\n    <div className=\"timetable-wrapper\" style={wrapperStyle}>\n      <button className=\"excel-export-btn\" onClick={handleExport} title={t('Export to Excel')}>\n        <svg width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\">\n          <path d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"></path>\n          <polyline points=\"14 2 14 8 20 8\"></polyline>\n          <line x1=\"16\" y1=\"13\" x2=\"8\" y2=\"13\"></line>\n          <line x1=\"16\" y1=\"17\" x2=\"8\" y2=\"17\"></line>\n          <polyline points=\"10 9 9 9 8 9\"></polyline>\n        </svg>\n      </button>\n      <div \n        key={`grid-${viewType}-${baseDate.getTime()}-${viewMode}-${filteredResources.length}-${totalCols}`}\n        className=\"timetable-container\" \n        style={gridStyle}\n      >\n..."
  }
}

MODEL ✨

Tool Command:

{
  "name": "read_file",
  "args": {
    "file_path": "src/components/Timetable.css"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "read_file_1775659713883_0",
  "name": "read_file",
  "response": {
    "output": ".app-container {\n  display: flex;\n  flex-direction: column;\n  height: 100vh;\n  overflow: hidden;\n}\n\n.app-header {\n  flex: 0 0 auto;\n  margin-bottom: 5px;\n}\n\n.timetable-view {\n  flex: 1 1 0;\n  overflow: hidden;\n  display: flex;\n}\n\n.timetable-wrapper {\n  flex: 1 1 0;\n  overflow: auto;\n  border: 1px solid #444;\n  border-radius: 4px;\n  position: relative; /* Sticky context */\n}\n\n.timetable-container {\n  background-color: #333;\n  display: grid;\n  width: fit-content;\n  min-width: 100%;\n}\n\n/* 左上の交差点 (常に最前面：z-index: 100) */\n.grid-corner {\n  background-color: #222;\n  border-right: 1px solid #666;\n  border-bottom: 1px solid #666;\n  position: sticky;\n  top: 0;\n  left: 0;\n  z-index: 100;\n  height: 70px; /* 40 + 30 */\n  box-sizing: border-box;\n  min-width: 150px;\n  width: 150px;\n  justify-self: start;\n}\n\n/* 日付ヘッダー (z-index: 35) */\n.date-header {\n  background-color: #222;\n  color: #fff;\n  padding: 8px;\n  height: 40px;\n  box-sizing: border-box;\n  font-weight: bold;\n  border-bottom: 1px solid #444;\n  border-right: 1px solid #444;\n  position: sticky;\n  top: 0;\n  z-index: 35;\n  font-size: 0.9rem;\n  overflow: hidden;\n  text-overflow: ellipsis;\n  white-space: nowrap;\n  text-align: center;\n}\n\n/* 時限ヘッダー (z-index: 34) */\n.period-header {\n  background-color: #444;\n  color: #ccc;\n  font-size: 0.7rem;\n  padding: 4px;\n  height: 30px;\n  box-sizing: border-box;\n  border-bottom: 1px solid #555;\n  border-right: 1px solid #555;\n  position: sticky;\n  top: 40px; /* date-header の高さ */\n  z-index: 34;\n  overflow: hidden;\n  text-overflow: ellipsis;\n  white-space: nowrap;\n  text-align: center;\n}\n\n/* イベント行ラベル (z-index: 30) */\n.event-label {\n  background-color: #3d3d3d;\n  color: #eee;\n  height: 80px;\n  box-sizing: border-box;\n  border-bottom: 1px solid #555;\n  border-right: 1px solid #666;\n  position: sticky;\n  top: 70px; /* 40 + 30 */\n  left: 0;\n  z-index: 30;\n  display: flex;\n  justify-content: center;\n  align-items: center;\n  font-weight: bold;\n  min-width: 150px;\n  width: 150px;\n  justify-self: start;\n}\n\n.event-cell {\n  background-color: #333;\n  height: 80px;\n  box-sizing: border-box;\n  border-bottom: 1px solid #444;\n  border-right: 1px solid #444;\n  position: sticky;\n  top: 70px;\n  z-index: 18;\n}\n\n.event-card {\n  margin: 2px 4px;\n  padding: 2px 6px;\n  border-radius: 3px;\n  font-size: 0.7rem;\n  display: flex;\n  align-items: center;\n  justify-content: center;\n  overflow: hidden;\n  text-overflow: ellipsis;\n  white-space: nowrap;\n  z-index: 26;\n  position: sticky;\n  top: 72px; /* 70 + 2 (margin) */\n  font-weight: bold;\n  box-sizing: border-box;\n}\n\n.holiday-card {\n  background-color: #833 !important;\n  color: #fff !important;\n  border: 1px solid #a44;\n}\n\n.schedule-event-card {\n  border: 1px solid rgba(255,255,255,0.2);\n  color: #333;\n}\n\n.resource-event-card {\n  position: relative !important;\n  top: auto !important;\n  z-index: 2 !important;\n  margin: 2px 4px !important;\n  height: auto !important;\n}\n\n/* リソースラベル (z-index: 25) */\n.grid-label {\n  background-color: #444;\n  color: #fff;\n  display: flex;\n  justify-content: center;\n  align-items: center;\n  font-weight: bold;\n  border-right: 1px solid #666;\n  border-bottom: 1px solid #555;\n  position: sticky;\n  left: 0;\n  z-index: 25;\n  min-width: 150px;\n  width: 150px;\n  height: 80px;\n  box-sizing: border-box;\n  justify-self: start;\n}\n\n/* 土日祝日の色設定 (ダークモード) */\n.is-sunday { color: #ff8888; background-color: #442222 !important; }\n.is-saturday { color: #8888ff; background-color: #222244 !important; }\n.is-holiday { color: #ff8888; background-color: #442222 !important; }\n\n.grid-cell {\n  border-right: 1px solid #444;\n  border-bottom: 1px solid #444;\n}\n\n/* セルの土日祝日背景 */\n.grid-cell.is-sunday, .grid-cell.is-holiday { background-color: rgba(255, 136, 136, 0.05); }\n.grid-cell.is-saturday { background-color: rgba(136, 136, 255, 0.05); }\n\n.lesson-card {\n  background-color: #646cff;\n  color: white;\n  margin: 2px 4px;\n  padding: 2px 6px;\n  border-radius: 3px;\n  display: flex;\n  flex-direction: column;\n  justify-content: center;\n  z-index: 2;\n  box-shadow: 0 2px 4px rgba(0,0,0,0.3);\n  min-width: 0;\n  overflow: hidden;\n  text-overflow: ellipsis;\n  white-space: nowrap;\n  box-sizing: border-box;\n}\n\n.lesson-card.no-main-teacher {\n  color: #333; /* 明るい背景に合わせて文字を暗く */\n}\n\n.lesson-subject {\n  font-weight: bold;\n  font-size: 0.8rem;\n  margin-bottom: 2px;\n}\n\n.lesson-delivery-methods {\n  display: flex;\n  flex-wrap: wrap;\n  gap: 2px;\n  margin-bottom: 2px;\n}\n\n.delivery-method-tag {\n  font-size: 0.6rem;\n  padding: 1px 4px;\n  border-radius: 2px;\n  color: #fff;\n  background-color: #646cff;\n  border: 1px solid rgba(255,255,255,0.3);\n  white-space: nowrap;\n}\n\n.lesson-details {\n  display: flex;\n  flex-direction: column;\n  gap: 1px;\n}\n\n.lesson-info {\n  font-size: 0.65rem;\n  opacity: 0.9;\n  line-height: 1.1;\n}\n\n.controls {\n  margin-bottom: 5px;\n  display: flex;\n  flex-wrap: wrap;\n  justify-content: flex-start;\n  gap: 15px;\n  align-items: center;\n  padding: 5px 10px;\n  background: #333;\n  border-radius: 4px;\n}\n\n.control-group {\n  display: flex;\n  gap: 5px;\n}\n\n.control-group button {\n  background-color: #444;\n  color: #ccc;\n  border: 1px solid #666;\n  border-radius: 4px;\n  padding: 4px 10px;\n  font-size: 0.85rem;\n  cursor: pointer;\n  transition: all 0.2s;\n}\n\n.control-group button:hover {\n  background-color: #555;\n  border-color: #888;\n  color: #fff;\n}\n\n.control-group button.active {\n  background-color: #fff; /* 背景を白に (反転) */\n  color: #333; /* 文字を黒に (反転) */\n  border-color: #fff;\n  font-weight: bold;\n}\n\n.current-date {\n  font-size: 0.9rem;\n  font-weight: bold;\n  min-width: 120px;\n}\n\n.date-picker {\n  background: #444;\n  color: #fff;\n  border: 1px solid #666;\n  border-radius: 4px;\n  padding: 2px 5px;\n  font-family: inherit;\n  font-size: 0.9rem;\n  cursor: pointer;\n}\n\n.date-picker:focus {\n  outline: none;\n  border-color: #646cff;\n}\n\n@media (prefers-color-scheme: light) {\n  .date-picker {\n    background: #fff;\n    color: #333;\n    border-color: #ccc;\n  }\n}\n\n@media (prefers-color-scheme: light) {\n  .timetable-container { background-color: #f9f9f9; }\n  .grid-corner { background-color: #eee; border-color: #ccc; }\n  .date-header { background-color: #eee; color: #333; border-color: #ccc; }\n  .is-sunday, .is-holiday { color: #d33; background-color: #fff0f0 !important; }\n  .is-saturday { color: #33d; background-color: #f0f0ff !important; }\n  .period-header { background-color: #f5f5f5; color: #666; }\n  .grid-label { background-color: #eee; color: #333; }\n  .event-label { background-color: #e5e5e5 !important; color: #000 !important; border-bottom-color: #ccc !important; }\n  .event-cell { background-color: #fff; border-bottom-color: #ccc; border-right-color: #eee; }\n  .holiday-card { background-color: #fee2e2 !important; color: #b91c1c !important; border-color: #fecaca; }\n  .schedule-event-card { border-color: rgba(0,0,0,0.1); }\n  .controls { background: #f0f0f0; }\n  .control-group button {\n    background-color: #e5e5e5;\n    color: #333;\n    border-color: #ccc;\n  }\n  .control-group button:hover {\n    background-color: #d8d8d8;\n    border-color: #bbb;\n  }\n  .control-group button.active {\n    background-color: #333; /* 背景を黒に (反転) */\n    color: #fff; /* 文字を白に (反転) */\n    border-color: #333;\n  }\n  .grid-cell.is-sunday, .grid-cell.is-holiday { background-color: #fffafa; }\n  .grid-cell.is-saturday { background-color: #fafaff; }\n}\n"
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "old_string": ".timetable-wrapper {\n  flex: 1 1 0;\n  overflow: auto;\n  border: 1px solid #444;\n  border-radius: 4px;\n  position: relative; /* Sticky context */\n}\n\n.timetable-container {",
    "allow_multiple": false,
    "instruction": "Add styles for excel-export-btn.",
    "file_path": "src/components/Timetable.css",
    "new_string": ".timetable-wrapper {\n  flex: 1 1 0;\n  overflow: auto;\n  border: 1px solid #444;\n  border-radius: 4px;\n  position: relative; /* Sticky context */\n}\n\n.excel-export-btn {\n  position: absolute;\n  top: 5px;\n  right: 25px;\n  z-index: 101; /* grid-corner(100) より上 */\n  background: #252;\n  color: #8f8;\n  border: 1px solid #474;\n  border-radius: 4px;\n  padding: 4px;\n  cursor: pointer;\n  display: flex;\n  align-items: center;\n  justify-content: center;\n  transition: all 0.2s;\n}\n\n.excel-export-btn:hover {\n  background: #363;\n  color: #aff;\n}\n\n@media (prefers-color-scheme: light) {\n  .excel-export-btn {\n    background: #dcfce7;\n    color: #15803d;\n    border-color: #bbf7d0;\n  }\n  .excel-export-btn:hover {\n    background: #bbf7d0;\n  }\n}\n\n.timetable-container {"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775660488292_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/Timetable.css (1 replacements). Here is the updated code:\n...\n  border: 1px solid #444;\n  border-radius: 4px;\n  position: relative; /* Sticky context */\n}\n\n.excel-export-btn {\n  position: absolute;\n  top: 5px;\n  right: 25px;\n  z-index: 101; /* grid-corner(100) より上 */\n  background: #252;\n  color: #8f8;\n  border: 1px solid #474;\n  border-radius: 4px;\n  padding: 4px;\n  cursor: pointer;\n  display: flex;\n  align-items: center;\n  justify-content: center;\n  transition: all 0.2s;\n}\n\n.excel-export-btn:hover {\n  background: #363;\n  color: #aff;\n}\n\n@media (prefers-color-scheme: light) {\n  .excel-export-btn {\n    background: #dcfce7;\n    color: #15803d;\n    border-color: #bbf7d0;\n  }\n  .excel-export-btn:hover {\n    background: #bbf7d0;\n  }\n}\n\n.timetable-container {\n  background-color: #333;\n  display: grid;\n  width: fit-content;\n  min-width: 100%;\n..."
  }
}

MODEL ✨

Tool Command:

{
  "name": "run_shell_command",
  "args": {
    "description": "Final build check to verify Excel export implementation.",
    "command": "npm run build && cd backend && npm run build"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "run_shell_command_1775660515707_0",
  "name": "run_shell_command",
  "response": {
    "output": "Output: npm warn Unknown project config \"min-release-age\". This will stop working in the next major version of npm.\n\n> scholatile@0.1.0 build\n> tsc && vite build\n\nvite v8.0.5 building client environment for production...\n✓ 373 modules transformed.\ncomputing gzip size...\ndist/index.html                     0.39 kB │ gzip:   0.26 kB\ndist/assets/index-CS-UngP9.css     34.60 kB │ gzip:   5.22 kB\ndist/assets/index-CooUdWXv.js   1,135.58 kB │ gzip: 314.89 kB\n\n✓ built in 437ms\n[plugin builtin:vite-reporter] \n(!) Some chunks are larger than 500 kB after minification. Consider:\n- Using dynamic import() to code-split the application\n- Use build.rolldownOptions.output.codeSplitting to improve chunking: https://rolldown.rs/reference/OutputOptions.codeSplitting\n- Adjust chunk size limit for this warning via build.chunkSizeWarningLimit.\n\n> scholatile-backend@1.0.0 build\n> tsc\nProcess Group PGID: 179494"
  }
}

MODEL ✨

カレンダー（タイムテーブル）を Excel 形式（.xlsx）でエクスポートする機能を実装しました。

実装のハイライト

高度な装飾: exceljs を使用し、カレンダーの構造、セルの背景色（授業方式やイベントの色）、罫線、フォントスタイルを Excel 上で再現しました。
インテリジェントなマッピング:
- 縦軸にリソース、横軸に日付と時限を配置。
- カレンダー上での「予定の重なり」を検知し、Excel でも適切にサブ行を作成して表示します。
- 複数時限にまたがる予定は、セルを結合して表現します。
使いやすさ:
- タイムテーブルの右上にエクスポートボタンを追加しました。
- 出力された Excel ファイルでは、ヘッダー（日付・時限）とリソース列が固定（ウィンドウ枠の固定）されており、スクロールしても見失いません。
- 土日祝日の背景色もカレンダーのテーマに合わせて適用されます。

使用方法

タイムテーブル画面の右上に表示される Excel アイコンをクリックします。
現在表示されているビュー（1日、1週間、1ヶ月、または1年）の内容がそのまま .xlsx ファイルとしてダウンロードされます。

注意事項

データベースの変更は伴わないため、prisma migrate は不要ですが、新しいパッケージ (exceljs, file-saver) を導入したため、環境によっては npm install が必要になる場合があります（本セッション内で既に実行済みです）。

USER 🧑‍💻

GEMINI.md に反映

MODEL ✨

Tool Command:

{
  "name": "read_file",
  "args": {
    "file_path": "GEMINI.md"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "read_file_1775679551975_0",
  "name": "read_file",
  "response": {
    "output": "# ScholaTile\n\n教育施設のリソース（教室・講師・講座）管理に特化したカレンダーサービス。\n\n## 1. Architecture & Tech Stack\n\n### Frontend\n- **Framework:** Preact (仮想DOM、軽量・高速)\n- **Language:** TypeScript\n- **State Management:** `@preact/signals` (細粒度なリアクティビティによる高パフォーマンス)\n- **Styling:** Vanilla CSS + CSS Grid (複数コマ跨ぎ・マルチビューのネイティブサポート)\n- **Internationalization:** `i18next`, `react-i18next` (キーベースの翻訳、ブラウザロケール動的切り替え)\n- **Build Tool:** Vite\n\n### Backend\n- **Runtime:** Node.js (Express)\n- **Language:** TypeScript (`ts-node-dev` による開発)\n- **Database:** PostgreSQL\n- **ORM:** Prisma 7 (型安全なアクセス、driver-adapter による高速通信)\n- **Authentication:** JWT (JSON Web Token) + `bcryptjs`. セッションは `HttpOnly` Cookie で管理。\n\n---\n\n## 2. Key Features\n\n### Core Scheduling (スケジューリング)\n- **動的時限表示:** 1日の時限数（TimePeriod）はDB設定により可変。名称、開始・終了時間を保持。\n- **イベント行の統合:** 祝日、休暇、学校行事（ScheduleEvent）を最上部の固定行に統合表示。\n- **マルチビュー:** 1日 / 1週間 / 1ヶ月 / 1年 の表示切り替えに対応。\n- **1年ビューの開始日設定:** 組織の運用に合わせて、1年ビューの開始月日（例: 4月1日、9月1日等）をシステム設定で変更可能。\n- **重なり回避ロジック:** \n  - イベント行（最上部）とリソース行（各行内）の両方で、時間的に重なる要素を垂直方向にオフセットして自動回避。\n- **ダブルブッキング警告:** 授業の登録・更新時、リソース（教室・講師）の重複を検知し警告。\n\n### Resource & Label Management (リソース・ラベル管理)\n- **リソースタイプ:** 「教室 (Room)」「講師 (Teacher)」「講座 (Course)」の3種類。\n- **表示ラベル의動的変更:** リソース名や「メイン講師」「補佐教官」「課目 (Subject)」等のラベルをDBで一括管理・変更可能。\n- **講師とユーザーの紐付け:** 講師リソースを特定のシステムユーザーと 1:1 で紐付け可能。\n- **講座の詳細管理:** 開始/終了年月日、メイン教室、管理講師（主任・補佐）、および関連する課目（Subject）と合計時限数を管理。\n- **授業方式（Delivery Method）:** 対面、オンライン、オンデマンド等の方式を定義し、各授業に複数割り当て可能。\n\n### Administration (管理機能)\n- **CRUD 画面:** 時限、教室、講師、講座、授業、行事、祝日、授業方式、ユーザー、システム設定の各管理画面。\n- **インポート機能:** \n  - 祝日: Nager.Date API または JSON ファイルからインポート。\n  - 講座課目: CSV からの一括インポート。\n- **エクスポート機能:**\n  - スケジュール: 講師本人が自身の予定を iCalendar (.ics) 形式で書き出し可能。\n- **講座の複製:** 関連する課目設定を含めた講座の複製が可能。\n- **講座間での授業複製:** 他の講座から指定期間の授業を、講師をクリアし、複製先講座のメイン教室を割り当てた状態で複製可能（重複回避機能付き）。\n- **システム設定:** 一般ユーザーのサインアップ可否や、1年ビューの開始月日のカスタマイズが可能。\n- **ユーザー管理 & 権限:** \n  - ロール（ADMIN, TEACHER, STUDENT）による RBAC。\n  - **講師の授業管理:** \n    - 講座の「主任講師」または「副主任講師」は、その講座の授業をフル管理（追加・編集・削除）可能。\n    - 授業の「メイン講師」または「サブ講師」として割りられている講師は、その授業の**「授業方式」のみ**編集が可能（他の項目は読み取り専用）。\n  - 管理者は全リソースのフルアクセス権限を保持。\n\n### UI/UX & Layout (レイアウト)\n- **Sticky レイアウト:** ヘッダー（日付・時限・イベント）およびサイドバー（リソース列）を完全固定。\n- **ビューごとの列幅制御:** \n  - 1日ビュー: `1fr` (等分割、水平スクロールなし)\n  - 週間・月間・年間ビュー: `50px` 固定 (水平スクロールあり)\n- **視覚的強調:** \n  - 土日祝日の配色変更。\n  - メイン講師不在時の授業背景色変更 (#e884fa)。\n  - 授業方式タグの表示、現在の表示モードのハイライト。\n  - 権限に応じたバッジ表示（「一部編集可」「読み取り専用」）。\n- **テーマ対応:** システム全体でダークテーマとライトテーマの切り替えに対応。\n- **フォームの利便性:** \n  - 複数選択リスト（講師、教室、方式）では、選択済みの項目をリストの先頭に自動で並び替え。\n  - 講座複製時の成功メッセージ通知と自動選択。\n\n---\n\n## 3. Implementation Rules & Conventions\n\n### Coding Standards\n- **Naming:** \n  - Component: PascalCase (e.g., `LessonManager.tsx`)\n  - Function/Variable: camelCase\n  - API Routes: RESTful (e.g., `GET /api/lessons`, `POST /api/courses`)\n- **State:** グローバルまたは複雑な共有状態には Preact Signals を優先的に使用する。\n- **CSS:** Vanilla CSS を使用。CSS Grid/Flexbox を最大限活用する。Component ごとに `.css` ファイルを分け、import を勝手に削除しないこと。\n\n### Development Workflow\n- **Specification First:** 仕様変更時はまず `GEMINI.md` を更新し、定義を確定させてから着手する。\n- **Data Integrity:** DB保存時、空文字は原則として `null` として処理する。\n- **Safety:** Git への commit/push は明示的な指示がない限り行わない。\n\n### UI Layering (z-index)\n1. `100`: `grid-corner` (左上交差点)\n2. `35` / `34`: `date-header` / `period-header`\n3. `30`: `event-label`\n4. `26`: `event-card`\n5. `25`: `grid-label` (リソース行ラベル)\n6. `18`: `event-cell` (イベント行背景)\n\n---\n\n## 4. Core Domain Models (Data Interfaces)\n\n### Base Types\n```typescript\nexport type ViewType = 'day' | 'week' | 'month' | 'year';\nexport type ResourceType = 'room' | 'teacher' | 'course';\nexport type UserRole = 'ADMIN' | 'TEACHER' | 'STUDENT';\n```\n\n### Main Entities\n- **Resource:** `id, name, type, order, userId, startDate, endDate, mainRoomId, chiefTeacherId, assistantTeacherIds, mainTeacherLabel, subTeacherLabel`\n- **Lesson:** `id, subject, startDate, startPeriodId, endDate, endPeriodId, roomId, teacherId, courseId, location, subTeacherIds, deliveryMethodIds, remarks, externalTeacher, externalSubTeachers`\n- **ScheduleEvent:** `id, name, startDate, startPeriodId, endDate, endPeriodId, color, location, showInEventRow, resourceIds`\n- **DeliveryMethod:** `id, name, color, order`\n- **TimePeriod:** `id, name, startTime, endTime, order` (IDは `p1`, `p2` ... 形式を維持)\n- **Holiday:** `id, name, date, start, end`\n- **ResourceLabels:** `room, teacher, course, event, mainTeacher, subTeacher, mainRoom, deliveryMethod, subject`\n\n---\n\n## 5. Roadmap & Project Status\n\n### Implemented Features (Completed)\n- [x] Preact + Signals + CSS Grid によるマルチビュー・Sticky レイアウト\n- [x] Node.js + Prisma + PostgreSQL バックエンド & JWT 認証 (HttpOnly Cookie)\n- [x] 国際化 (i18n) 完全実装 (日・英対応)\n- [x] 全リソースの CRUD 管理画面 (時限, 教室, 講師, 講座, 授業, 行事, 祝日, 授業方式, ユーザー)\n- [x] イベント行・リソース行の重なり自動回避ロジック\n- [x] 祝日・課目データのインポート機能\n- [x] システム設定管理 (パブリックサインアップ等)\n- [x] 講座担当講師による限定的な授業管理権限\n- [x] 授業担当講師による授業方式の限定編集権限\n- [x] 講座の複製機能 (関連課目含む)\n- [x] 講師によるスケジュールの iCalendar (.ics) エクスポート機能\n- [x] 1年ビューの開始月日のカスタマイズ機能\n- [x] ダークテーマ / ライトテーマの完全対応\n\n### Upcoming Tasks (Next Steps)\n- [ ] ドラッグ＆ドロップによる授業の移動・編集機能\n- [ ] 印刷用レイアウトの最適化\n- [ ] AI によるスケジューリング最適化/支援機能の検討\n- [ ] パフォーマンス最適化 (大量リソース表示時のレンダリング抑制)\n"
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "instruction": "Update GEMINI.md to include the Excel export feature.",
    "new_string": "- **エクスポート機能:**\n  - スケジュール: 講師本人が自身の予定を iCalendar (.ics) 形式で書き出し可能。\n  - タイムテーブル: 表示中のビューを Excel (.xlsx) 形式でエクスポート可能（セルの色やレイアウトを維持）。\n- **講座の複製:** 関連する課目設定を含めた講座の複製が可能。",
    "allow_multiple": false,
    "file_path": "GEMINI.md",
    "old_string": "- **エクスポート機能:**\n  - スケジュール: 講師本人が自身の予定を iCalendar (.ics) 形式で書き出し可能。\n- **講座の複製:** 関連する課目設定を含めた講座の複製が可能。"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775679975025_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/GEMINI.md (1 replacements). Here is the updated code:\n...\n- **インポート機能:** \n  - 祝日: Nager.Date API または JSON ファイルからインポート。\n  - 講座課目: CSV からの一括インポート。\n- **エクスポート機能:**\n  - スケジュール: 講師本人が自身の予定を iCalendar (.ics) 形式で書き出し可能。\n  - タイムテーブル: 表示中のビューを Excel (.xlsx) 形式でエクスポート可能（セルの色やレイアウトを維持）。\n- **講座の複製:** 関連する課目設定を含めた講座の複製が可能。\n- **講座間での授業複製:** 他の講座から指定期間の授業を、講師をクリアし、複製先講座のメイン教室を割り当てた状態で複製可能（重複回避機能付き）。\n- **システム設定:** 一般ユーザーのサインアップ可否や、1年ビューの開始月日のカスタマイズが可能。\n- **ユーザー管理 & 権限:** \n  - ロール（ADMIN, TEACHER, STUDENT）による RBAC。\n..."
  }
}

USER 🧑‍💻

Excelエクスポート機能でEvent行が出力されない。

MODEL ✨

I will investigate src/utils/excelExport.ts to check the logic for exporting global events.Tool Command:

{
  "name": "read_file",
  "args": {
    "file_path": "src/utils/excelExport.ts"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "read_file_1775680578370_0",
  "name": "read_file",
  "response": {
    "output": "import ExcelJS from 'exceljs';\nimport { saveAs } from 'file-saver';\nimport { format, startOfDay, parseISO, isSameDay, isAfter, isBefore, addDays, getYear, differenceInDays } from 'date-fns';\nimport { TimePeriod, Resource, Lesson, ScheduleEvent, ResourceLabels, SystemSetting, ViewType, ResourceType, Holiday } from '../types';\n\ninterface ExportParams {\n  periods: TimePeriod[];\n  resources: Resource[];\n  lessons: Lesson[];\n  events: ScheduleEvent[];\n  viewMode: ResourceType;\n  viewType: ViewType;\n  baseDate: Date;\n  holidays: Holiday[];\n  labels: ResourceLabels;\n  systemSettings: SystemSetting | null;\n  t: (key: string, options?: any) => string;\n}\n\nexport async function exportTimetableToExcel({\n  periods, resources, lessons, events, viewMode, viewType, baseDate, holidays, labels, systemSettings, t\n}: ExportParams) {\n  const workbook = new ExcelJS.Workbook();\n  const worksheet = workbook.addWorksheet('Timetable');\n\n  const currentViewStart = startOfDay(baseDate);\n  \n  const getDayCount = () => {\n    if (viewType === 'day') return 1;\n    if (viewType === 'week') return 7;\n    if (viewType === 'month') return 30;\n    if (viewType === 'year') {\n      const month = systemSettings?.yearViewStartMonth ?? 4;\n      const day = systemSettings?.yearViewStartDay ?? 1;\n      const start = new Date(getYear(baseDate), month - 1, day);\n      const end = new Date(getYear(baseDate) + 1, month - 1, day);\n      return differenceInDays(end, start);\n    }\n    return 1;\n  };\n\n  const dayCount = getDayCount();\n  const displayDates = Array.from({ length: dayCount }).map((_, i) => addDays(currentViewStart, i));\n  const currentViewEnd = startOfDay(displayDates[displayDates.length - 1]);\n\n  const filteredResources = resources\n    .filter(r => r.type === viewMode)\n    .sort((a, b) => (a.order ?? 0) - (b.order ?? 0));\n\n  // Helper to convert hex to ARGB\n  const hexToARGB = (hex?: string) => {\n    if (!hex) return 'FFFFFFFF';\n    const cleanHex = hex.replace('#', '');\n    if (cleanHex.length === 3) {\n      const r = cleanHex[0] + cleanHex[0];\n      const g = cleanHex[1] + cleanHex[1];\n      const b = cleanHex[2] + cleanHex[2];\n      return `FF${r}${g}${b}`.toUpperCase();\n    }\n    return `FF${cleanHex}`.toUpperCase();\n  };\n\n  const getHoliday = (date: Date) => {\n    const target = startOfDay(date);\n    return holidays.find(h => {\n      if (h.date) return isSameDay(target, startOfDay(parseISO(h.date)));\n      if (h.start && h.end) {\n        const start = startOfDay(parseISO(h.start));\n        const end = startOfDay(parseISO(h.end));\n        return (isSameDay(target, start) || isAfter(target, start)) && \n               (isSameDay(target, end) || isBefore(target, end));\n      }\n      return false;\n    });\n  };\n\n  // Header Setup\n  worksheet.getColumn(1).width = 25;\n  for (let i = 0; i < displayDates.length * periods.length; i++) {\n    worksheet.getColumn(i + 2).width = 12;\n  }\n\n  // Row 1: Dates\n  const dateRow = worksheet.getRow(1);\n  dateRow.height = 25;\n  displayDates.forEach((date, dIdx) => {\n    const startCol = dIdx * periods.length + 2;\n    const endCol = startCol + periods.length - 1;\n    const cell = worksheet.getCell(1, startCol);\n    cell.value = format(date, 'MMM d (eee)');\n    cell.alignment = { horizontal: 'center', vertical: 'middle' };\n    cell.font = { bold: true };\n    const holiday = getHoliday(date);\n    const isSun = date.getDay() === 0;\n    const isSat = date.getDay() === 6;\n    if (holiday || isSun) {\n      cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFFFE4E1' } }; // MistyRose\n    } else if (isSat) {\n      cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFE6F3FF' } }; // LightBlue\n    }\n    if (periods.length > 1) {\n      worksheet.mergeCells(1, startCol, 1, endCol);\n    }\n  });\n\n  // Row 2: Periods\n  const periodRow = worksheet.getRow(2);\n  periodRow.height = 20;\n  displayDates.forEach((_, dIdx) => {\n    periods.forEach((p, pIdx) => {\n      const cell = worksheet.getCell(2, dIdx * periods.length + pIdx + 2);\n      cell.value = p.name;\n      cell.alignment = { horizontal: 'center', vertical: 'middle' };\n      cell.border = { bottom: { style: 'thin' }, left: { style: 'thin' }, right: { style: 'thin' }, top: { style: 'thin' } };\n    });\n  });\n\n  // Layout function\n  const calculateLayout = (items: { id: string, start: number, end: number }[]) => {\n    if (items.length === 0) return [];\n    const placements: { id: string, start: number, end: number, level: number, maxLevelInGroup: number }[] = [];\n    const sortedItems = [...items].sort((a, b) => a.start - b.start || (b.end - b.start) - (a.end - a.start));\n    sortedItems.forEach(item => {\n      let level = 0;\n      while (placements.some(p => p.level === level && !(item.end < p.start || item.start > p.end))) {\n        level++;\n      }\n      placements.push({ ...item, level, maxLevelInGroup: 0 });\n    });\n    placements.forEach(p => {\n      const overlapping = placements.filter(other => !(p.end < other.start || p.start > other.end));\n      p.maxLevelInGroup = Math.max(...overlapping.map(o => o.level)) + 1;\n    });\n    return placements;\n  };\n\n  let currentRow = 3;\n\n  // Process Resources\n  for (const res of filteredResources) {\n    const resItems: { id: string, start: number, end: number, type: 'event' | 'lesson', data: any }[] = [];\n    \n    events.forEach(e => {\n      const resourceIdList = [...(e.resourceIds || []), ...(e.resources || []).map(r => r.id)];\n      if (resourceIdList.includes(res.id)) {\n        const eStart = startOfDay(parseISO(e.startDate));\n        const eEnd = startOfDay(parseISO(e.endDate));\n        if (isAfter(eStart, currentViewEnd) || isBefore(eEnd, currentViewStart)) return;\n        const startDayIdx = displayDates.findIndex(d => isSameDay(d, eStart));\n        const endDayIdx = displayDates.findIndex(d => isSameDay(d, eEnd));\n        const startPeriodIdx = periods.findIndex(p => p.id === e.startPeriodId);\n        const endPeriodIdx = periods.findIndex(p => p.id === e.endPeriodId);\n        const sCol = (startDayIdx === -1) ? 2 : startDayIdx * periods.length + startPeriodIdx + 2;\n        const eCol = (endDayIdx === -1) ? (displayDates.length * periods.length + 1) : endDayIdx * periods.length + endPeriodIdx + 2;\n        resItems.push({ id: `e-${e.id}`, start: sCol, end: eCol, type: 'event', data: e });\n      }\n    });\n\n    lessons.forEach(l => {\n      const lStart = startOfDay(parseISO(l.startDate));\n      const lEnd = startOfDay(parseISO(l.endDate));\n      if (isAfter(lStart, currentViewEnd) || isBefore(lEnd, currentViewStart)) return;\n      const subIds = [...(l.subTeacherIds || []), ...(l.subTeachers || []).map(t => t.id)];\n      let isTarget = false;\n      if (viewMode === 'room' && l.roomId === res.id) isTarget = true;\n      else if (viewMode === 'teacher' && (l.teacherId === res.id || subIds.includes(res.id))) isTarget = true;\n      else if (viewMode === 'course' && l.courseId === res.id) isTarget = true;\n      if (isTarget) {\n        const startDayIdx = displayDates.findIndex(d => isSameDay(d, lStart));\n        const endDayIdx = displayDates.findIndex(d => isSameDay(d, lEnd));\n        const startPeriodIdx = periods.findIndex(p => p.id === l.startPeriodId);\n        const endPeriodIdx = periods.findIndex(p => p.id === l.endPeriodId);\n        const sCol = (startDayIdx === -1) ? 2 : startDayIdx * periods.length + startPeriodIdx + 2;\n        const eCol = (endDayIdx === -1) ? (displayDates.length * periods.length + 1) : endDayIdx * periods.length + endPeriodIdx + 2;\n        resItems.push({ id: `l-${l.id}`, start: sCol, end: eCol, type: 'lesson', data: l });\n      }\n    });\n\n    const layouts = calculateLayout(resItems);\n    const maxLevel = layouts.length > 0 ? Math.max(...layouts.map(l => l.level)) + 1 : 1;\n\n    // Merge resource name cell across sub-rows\n    const resCell = worksheet.getCell(currentRow, 1);\n    resCell.value = t(res.name);\n    resCell.alignment = { vertical: 'middle', horizontal: 'left' };\n    resCell.font = { bold: true };\n    if (maxLevel > 1) {\n      worksheet.mergeCells(currentRow, 1, currentRow + maxLevel - 1, 1);\n    }\n\n    // Fill background grid\n    for (let l = 0; l < maxLevel; l++) {\n      const row = worksheet.getRow(currentRow + l);\n      row.height = 35;\n      displayDates.forEach((date, dIdx) => {\n        const isSun = date.getDay() === 0;\n        const isSat = date.getDay() === 6;\n        const holiday = getHoliday(date);\n        periods.forEach((_, pIdx) => {\n          const cell = worksheet.getCell(currentRow + l, dIdx * periods.length + pIdx + 2);\n          cell.border = { bottom: { style: 'thin' }, left: { style: 'thin' }, right: { style: 'thin' }, top: { style: 'thin' } };\n          if (holiday || isSun) cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFFFF0F0' } };\n          else if (isSat) cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFF0F8FF' } };\n        });\n      });\n    }\n\n    // Place items\n    layouts.forEach(layout => {\n      const item = resItems.find(i => i.id === layout.id)!;\n      const targetRow = currentRow + layout.level;\n      const startCol = layout.start;\n      const endCol = layout.end;\n      const cell = worksheet.getCell(targetRow, startCol);\n      \n      if (item.type === 'event') {\n        const e = item.data as ScheduleEvent;\n        cell.value = e.name + (e.location ? ` (${e.location})` : '');\n        cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: hexToARGB(e.color || '#fef3c7') } };\n      } else {\n        const l = item.data as Lesson;\n        const mainTeacherName = l.teacherId ? (resources.find(r => r.id === l.teacherId)?.name || '') : (l.externalTeacher || '');\n        const roomName = l.roomId ? (resources.find(r => r.id === l.roomId)?.name || '') : (l.location || '');\n        cell.value = `${t(l.subject)}\\n${mainTeacherName} / ${roomName}`;\n        cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: hexToARGB((!l.teacherId && !l.externalTeacher) ? '#e884fa' : (l.deliveryMethods?.[0]?.color || '#646cff')) } };\n      }\n\n      cell.alignment = { horizontal: 'center', vertical: 'middle', wrapText: true };\n      cell.border = { bottom: { style: 'medium' }, left: { style: 'medium' }, right: { style: 'medium' }, top: { style: 'medium' } };\n      \n      if (endCol > startCol) {\n        worksheet.mergeCells(targetRow, startCol, targetRow, endCol);\n      }\n    });\n\n    currentRow += maxLevel;\n  }\n\n  // Final touches\n  worksheet.views = [{ state: 'frozen', xSplit: 1, ySplit: 2 }];\n\n  const buffer = await workbook.xlsx.writeBuffer();\n  const fileName = `ScholaTile_${viewMode}_${format(baseDate, 'yyyyMMdd')}.xlsx`;\n  saveAs(new Blob([buffer]), fileName);\n}\n"
  }
}

MODEL ✨

I will examine src/components/Timetable.tsx to understand the logic for displaying global events.Tool Command:

{
  "name": "read_file",
  "args": {
    "file_path": "src/components/Timetable.tsx",
    "start_line": 150,
    "end_line": 250
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "read_file_1775680748827_0",
  "name": "read_file",
  "response": {
    "output": "\nIMPORTANT: The file content has been truncated.\nStatus: Showing lines 150-250 of 467 total lines.\nAction: To read more of the file, you can use the 'start_line' and 'end_line' parameters in a subsequent 'read_file' call. For example, to read the next section of the file, use start_line: 251.\n\n--- FILE CONTENT (truncated) ---\n    const isSun = date.getDay() === 0;\n    const isSat = date.getDay() === 6;\n    let className = 'grid-cell event-cell';\n    if (isSun) className += ' is-sunday';\n    if (isSat) className += ' is-saturday';\n    if (holiday) className += ' is-holiday';\n\n    const dateStr = format(date, 'yyyy-MM-dd');\n\n    return periods.map((p, pIdx) => (\n      <div key={`event-cell-${dIdx}-${pIdx}`} \n           className={className} \n           style={{ gridColumn: dIdx * periods.length + pIdx + 2, gridRow: 3 }}\n           onDblClick={() => onEmptyEventClick?.(dateStr, p.id)} />\n    ));\n  });\n\n  // 行内での重なりを計算する汎用関数\n  const calculateLayout = (items: { id: string, start: number, end: number }[]) => {\n    if (items.length === 0) return [];\n    const placements: { id: string, start: number, end: number, level: number, maxLevelInGroup: number }[] = [];\n    const sortedItems = [...items].sort((a, b) => a.start - b.start || (b.end - b.start) - (a.end - a.start));\n    sortedItems.forEach(item => {\n      let level = 0;\n      while (placements.some(p => p.level === level && !(item.end < p.start || item.start > p.end))) {\n        level++;\n      }\n      placements.push({ ...item, level, maxLevelInGroup: 0 });\n    });\n    placements.forEach(p => {\n      const overlapping = placements.filter(other => !(p.end < other.start || p.start > other.end));\n      p.maxLevelInGroup = Math.max(...overlapping.map(o => o.level)) + 1;\n    });\n    return placements;\n  };\n\n  // --- 行事行（row 3）のデータ準備 ---\n  const row3Items: { id: string, start: number, end: number, type: 'holiday' | 'event', data: any }[] = [];\n  displayDates.forEach((date, dIdx) => {\n    const holiday = getHoliday(date);\n    if (!holiday) return;\n    if (holiday.date && isSameDay(date, startOfDay(parseISO(holiday.date)))) {\n      const startCol = dIdx * periods.length + 2;\n      const endCol = dIdx * periods.length + periods.length + 2;\n      row3Items.push({ id: `holiday-${date.toISOString()}`, start: startCol, end: endCol - 1, type: 'holiday', data: holiday });\n    } else if (holiday.start && holiday.end) {\n      const hStart = startOfDay(parseISO(holiday.start));\n      const hEnd = startOfDay(parseISO(holiday.end));\n      if (isSameDay(date, hStart) || (isSameDay(date, displayDates[0]) && isAfter(date, hStart) && isBefore(date, hEnd))) {\n        const actualStart = isAfter(hStart, displayDates[0]) ? hStart : displayDates[0];\n        const actualEnd = isBefore(hEnd, displayDates[displayDates.length - 1]) ? hEnd : displayDates[displayDates.length - 1];\n        const sIdx = displayDates.findIndex(d => isSameDay(d, actualStart));\n        const eIdx = displayDates.findIndex(d => isSameDay(d, actualEnd));\n        if (sIdx !== -1 && eIdx !== -1 && isSameDay(date, actualStart)) {\n          const startCol = sIdx * periods.length + 2;\n          const endCol = eIdx * periods.length + periods.length + 2;\n          row3Items.push({ id: `holiday-range-${holiday.name}-${date.toISOString()}`, start: startCol, end: endCol - 1, type: 'holiday', data: holiday });\n        }\n      }\n    }\n  });\n\n  events.forEach(e => {\n    const eStart = startOfDay(parseISO(e.startDate));\n    const eEnd = startOfDay(parseISO(e.endDate));\n    if (isAfter(eStart, currentViewEnd) || isBefore(eEnd, currentViewStart)) return;\n    const resourceIdList = [...(e.resourceIds || []), ...(e.resources || []).map(r => r.id)];\n    if (e.showInEventRow !== false || resourceIdList.length === 0) {\n      const startDayIdx = displayDates.findIndex(d => isSameDay(d, eStart));\n      const endDayIdx = displayDates.findIndex(d => isSameDay(d, eEnd));\n      const startPeriodIdx = periods.findIndex(p => p.id === e.startPeriodId);\n      const endPeriodIdx = periods.findIndex(p => p.id === e.endPeriodId);\n      const sCol = (startDayIdx === -1) ? 2 : startDayIdx * periods.length + startPeriodIdx + 2;\n      const eCol = (endDayIdx === -1) ? (displayDates.length * periods.length + 1) : endDayIdx * periods.length + endPeriodIdx + 2;\n      row3Items.push({ id: `event-${e.id}`, start: sCol, end: eCol, type: 'event', data: e });\n    }\n  });\n\n  const row3Layouts = calculateLayout(row3Items);\n  const holidayItems = row3Layouts.filter(l => row3Items.find(i => i.id === l.id)?.type === 'holiday').map(layout => {\n    const item = row3Items.find(i => i.id === layout.id)!;\n    const h = item.data;\n    const unitHeight = (80 - 8) / layout.maxLevelInGroup;\n    const itemHeight = unitHeight - 8;\n    const top = 70 + 4 + (layout.level * unitHeight);\n    return (\n      <div key={layout.id} className=\"event-card holiday-card\"\n           title={h.name}\n           style={{ gridColumn: `${layout.start} / ${layout.end + 1}`, gridRow: 3, top: `${top}px`, height: `${itemHeight}px` }}>\n        {h.name}\n      </div>\n    );\n  });\n\n  const globalEventItems = row3Layouts.filter(l => row3Items.find(i => i.id === l.id)?.type === 'event').map(layout => {\n    const e = row3Items.find(i => i.id === layout.id)!.data as ScheduleEvent;\n    const unitHeight = (80 - 8) / layout.maxLevelInGroup;\n    const itemHeight = unitHeight - 8;\n    const top = 70 + 4 + (layout.level * unitHeight);\n\n    const startP = periods.find(p => p.id === e.startPeriodId)?.name || e.startPeriodId;"
  }
}

MODEL ✨

I will modify src/utils/excelExport.ts to include global events and holidays in the Excel export by implementing logic to process row3Items and adding the corresponding rows to the sheet.Tool Command:

{
  "name": "replace",
  "args": {
    "new_string": "  let currentRow = 3;\n\n  // --- Process Global Events (Row 3 equivalent) ---\n  const row3Items: { id: string, start: number, end: number, type: 'holiday' | 'event', data: any }[] = [];\n  displayDates.forEach((date, dIdx) => {\n    const holiday = getHoliday(date);\n    if (!holiday) return;\n    if (holiday.date && isSameDay(date, startOfDay(parseISO(holiday.date)))) {\n      const startCol = dIdx * periods.length + 2;\n      const endCol = dIdx * periods.length + periods.length + 1;\n      row3Items.push({ id: `holiday-${date.toISOString()}`, start: startCol, end: endCol, type: 'holiday', data: holiday });\n    } else if (holiday.start && holiday.end) {\n      const hStart = startOfDay(parseISO(holiday.start));\n      const hEnd = startOfDay(parseISO(holiday.end));\n      if (isSameDay(date, hStart) || (isSameDay(date, displayDates[0]) && isAfter(date, hStart) && isBefore(date, hEnd))) {\n        const actualStart = isAfter(hStart, displayDates[0]) ? hStart : displayDates[0];\n        const actualEnd = isBefore(hEnd, displayDates[displayDates.length - 1]) ? hEnd : displayDates[displayDates.length - 1];\n        const sIdx = displayDates.findIndex(d => isSameDay(d, actualStart));\n        const eIdx = displayDates.findIndex(d => isSameDay(d, actualEnd));\n        if (sIdx !== -1 && eIdx !== -1 && isSameDay(date, actualStart)) {\n          const startCol = sIdx * periods.length + 2;\n          const endCol = eIdx * periods.length + periods.length + 1;\n          row3Items.push({ id: `holiday-range-${holiday.name}-${date.toISOString()}`, start: startCol, end: endCol, type: 'holiday', data: holiday });\n        }\n      }\n    }\n  });\n\n  events.forEach(e => {\n    const eStart = startOfDay(parseISO(e.startDate));\n    const eEnd = startOfDay(parseISO(e.endDate));\n    if (isAfter(eStart, currentViewEnd) || isBefore(eEnd, currentViewStart)) return;\n    const resourceIdList = [...(e.resourceIds || []), ...(e.resources || []).map(r => r.id)];\n    if (e.showInEventRow !== false || resourceIdList.length === 0) {\n      const startDayIdx = displayDates.findIndex(d => isSameDay(d, eStart));\n      const endDayIdx = displayDates.findIndex(d => isSameDay(d, eEnd));\n      const startPeriodIdx = periods.findIndex(p => p.id === e.startPeriodId);\n      const endPeriodIdx = periods.findIndex(p => p.id === e.endPeriodId);\n      const sCol = (startDayIdx === -1) ? 2 : startDayIdx * periods.length + startPeriodIdx + 2;\n      const eCol = (endDayIdx === -1) ? (displayDates.length * periods.length + 1) : endDayIdx * periods.length + endPeriodIdx + 2;\n      row3Items.push({ id: `event-${e.id}`, start: sCol, end: eCol, type: 'event', data: e });\n    }\n  });\n\n  const row3Layouts = calculateLayout(row3Items);\n  const row3MaxLevel = row3Layouts.length > 0 ? Math.max(...row3Layouts.map(l => l.level)) + 1 : 1;\n\n  // Global Event Label\n  const eventLabelCell = worksheet.getCell(currentRow, 1);\n  eventLabelCell.value = labels.event;\n  eventLabelCell.alignment = { vertical: 'middle', horizontal: 'left' };\n  eventLabelCell.font = { bold: true };\n  if (row3MaxLevel > 1) {\n    worksheet.mergeCells(currentRow, 1, currentRow + row3MaxLevel - 1, 1);\n  }\n\n  // Fill background grid for Global Events\n  for (let l = 0; l < row3MaxLevel; l++) {\n    const row = worksheet.getRow(currentRow + l);\n    row.height = 35;\n    displayDates.forEach((date, dIdx) => {\n      const isSun = date.getDay() === 0;\n      const isSat = date.getDay() === 6;\n      const holiday = getHoliday(date);\n      periods.forEach((_, pIdx) => {\n        const cell = worksheet.getCell(currentRow + l, dIdx * periods.length + pIdx + 2);\n        cell.border = { bottom: { style: 'thin' }, left: { style: 'thin' }, right: { style: 'thin' }, top: { style: 'thin' } };\n        if (holiday || isSun) cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFFFF0F0' } };\n        else if (isSat) cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFF0F8FF' } };\n      });\n    });\n  }\n\n  // Place Global Event items\n  row3Layouts.forEach(layout => {\n    const item = row3Items.find(i => i.id === layout.id)!;\n    const targetRow = currentRow + layout.level;\n    const startCol = layout.start;\n    const endCol = layout.end;\n    const cell = worksheet.getCell(targetRow, startCol);\n\n    if (item.type === 'holiday') {\n      const h = item.data;\n      cell.value = h.name;\n      cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FF8B0000' } }; // DarkRed equivalent\n      cell.font = { color: { argb: 'FFFFFFFF' }, bold: true };\n    } else {\n      const e = item.data as ScheduleEvent;\n      cell.value = e.name + (e.location ? ` (${e.location})` : '');\n      cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: hexToARGB(e.color || '#fef3c7') } };\n    }\n\n    cell.alignment = { horizontal: 'center', vertical: 'middle', wrapText: true };\n    cell.border = { bottom: { style: 'medium' }, left: { style: 'medium' }, right: { style: 'medium' }, top: { style: 'medium' } };\n\n    if (endCol > startCol) {\n      worksheet.mergeCells(targetRow, startCol, targetRow, endCol);\n    }\n  });\n\n  currentRow += row3MaxLevel;\n\n  // Process Resources",
    "allow_multiple": false,
    "instruction": "Add global events and holidays row to the Excel export.",
    "file_path": "src/utils/excelExport.ts",
    "old_string": "  let currentRow = 3;\n\n  // Process Resources"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775680893484_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/utils/excelExport.ts (1 replacements). Here is the updated code:\n...\n    return placements;\n  };\n\n  let currentRow = 3;\n\n  // --- Process Global Events (Row 3 equivalent) ---\n  const row3Items: { id: string, start: number, end: number, type: 'holiday' | 'event', data: any }[] = [];\n  displayDates.forEach((date, dIdx) => {\n    const holiday = getHoliday(date);\n    if (!holiday) return;\n    if (holiday.date && isSameDay(date, startOfDay(parseISO(holiday.date)))) {\n      const startCol = dIdx * periods.length + 2;\n      const endCol = dIdx * periods.length + periods.length + 1;\n      row3Items.push({ id: `holiday-${date.toISOString()}`, start: startCol, end: endCol, type: 'holiday', data: holiday });\n    } else if (holiday.start && holiday.end) {\n      const hStart = startOfDay(parseISO(holiday.start));\n      const hEnd = startOfDay(parseISO(holiday.end));\n      if (isSameDay(date, hStart) || (isSameDay(date, displayDates[0]) && isAfter(date, hStart) && isBefore(date, hEnd))) {\n        const actualStart = isAfter(hStart, displayDates[0]) ? hStart : displayDates[0];\n        const actualEnd = isBefore(hEnd, displayDates[displayDates.length - 1]) ? hEnd : displayDates[displayDates.length - 1];\n        const sIdx = displayDates.findIndex(d => isSameDay(d, actualStart));\n        const eIdx = displayDates.findIndex(d => isSameDay(d, actualEnd));\n        if (sIdx !== -1 && eIdx !== -1 && isSameDay(date, actualStart)) {\n          const startCol = sIdx * periods.length + 2;\n          const endCol = eIdx * periods.length + periods.length + 1;\n          row3Items.push({ id: `holiday-range-${holiday.name}-${date.toISOString()}`, start: startCol, end: endCol, type: 'holiday', data: holiday });\n        }\n      }\n    }\n  });\n\n  events.forEach(e => {\n    const eStart = startOfDay(parseISO(e.startDate));\n    const eEnd = startOfDay(parseISO(e.endDate));\n    if (isAfter(eStart, currentViewEnd) || isBefore(eEnd, currentViewStart)) return;\n    const resourceIdList = [...(e.resourceIds || []), ...(e.resources || []).map(r => r.id)];\n    if (e.showInEventRow !== false || resourceIdList.length === 0) {\n      const startDayIdx = displayDates.findIndex(d => isSameDay(d, eStart));\n      const endDayIdx = displayDates.findIndex(d => isSameDay(d, eEnd));\n      const startPeriodIdx = periods.findIndex(p => p.id === e.startPeriodId);\n      const endPeriodIdx = periods.findIndex(p => p.id === e.endPeriodId);\n      const sCol = (startDayIdx === -1) ? 2 : startDayIdx * periods.length + startPeriodIdx + 2;\n      const eCol = (endDayIdx === -1) ? (displayDates.length * periods.length + 1) : endDayIdx * periods.length + endPeriodIdx + 2;\n      row3Items.push({ id: `event-${e.id}`, start: sCol, end: eCol, type: 'event', data: e });\n    }\n  });\n\n  const row3Layouts = calculateLayout(row3Items);\n  const row3MaxLevel = row3Layouts.length > 0 ? Math.max(...row3Layouts.map(l => l.level)) + 1 : 1;\n\n  // Global Event Label\n  const eventLabelCell = worksheet.getCell(currentRow, 1);\n  eventLabelCell.value = labels.event;\n  eventLabelCell.alignment = { vertical: 'middle', horizontal: 'left' };\n  eventLabelCell.font = { bold: true };\n  if (row3MaxLevel > 1) {\n    worksheet.mergeCells(currentRow, 1, currentRow + row3MaxLevel - 1, 1);\n  }\n\n  // Fill background grid for Global Events\n  for (let l = 0; l < row3MaxLevel; l++) {\n    const row = worksheet.getRow(currentRow + l);\n    row.height = 35;\n    displayDates.forEach((date, dIdx) => {\n      const isSun = date.getDay() === 0;\n      const isSat = date.getDay() === 6;\n      const holiday = getHoliday(date);\n      periods.forEach((_, pIdx) => {\n        const cell = worksheet.getCell(currentRow + l, dIdx * periods.length + pIdx + 2);\n        cell.border = { bottom: { style: 'thin' }, left: { style: 'thin' }, right: { style: 'thin' }, top: { style: 'thin' } };\n        if (holiday || isSun) cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFFFF0F0' } };\n        else if (isSat) cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFF0F8FF' } };\n      });\n    });\n  }\n\n  // Place Global Event items\n  row3Layouts.forEach(layout => {\n    const item = row3Items.find(i => i.id === layout.id)!;\n    const targetRow = currentRow + layout.level;\n    const startCol = layout.start;\n    const endCol = layout.end;\n    const cell = worksheet.getCell(targetRow, startCol);\n\n    if (item.type === 'holiday') {\n      const h = item.data;\n      cell.value = h.name;\n      cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FF8B0000' } }; // DarkRed equivalent\n      cell.font = { color: { argb: 'FFFFFFFF' }, bold: true };\n    } else {\n      const e = item.data as ScheduleEvent;\n      cell.value = e.name + (e.location ? ` (${e.location})` : '');\n      cell.fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: hexToARGB(e.color || '#fef3c7') } };\n    }\n\n    cell.alignment = { horizontal: 'center', vertical: 'middle', wrapText: true };\n    cell.border = { bottom: { style: 'medium' }, left: { style: 'medium' }, right: { style: 'medium' }, top: { style: 'medium' } };\n\n    if (endCol > startCol) {\n      worksheet.mergeCells(targetRow, startCol, targetRow, endCol);\n    }\n  });\n\n  currentRow += row3MaxLevel;\n\n  // Process Resources\n  for (const res of filteredResources) {\n    const resItems: { id: string, start: number, end: number, type: 'event' | 'lesson', data: any }[] = [];\n    \n    events.forEach(e => {\n..."
  }
}

MODEL ✨

I have implemented the logic to include global events and holidays in the Excel export, and after verifying the column mapping for 1-based indices, I am confident the output will correctly reflect the timetable structure. I'll now run a build to confirm everything is working as expected.Tool Command:

{
  "name": "run_shell_command",
  "args": {
    "command": "npm run build && cd backend && npm run build",
    "description": "Verify the fix with a full build."
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "run_shell_command_1775680949936_0",
  "name": "run_shell_command",
  "response": {
    "output": "Output: npm warn Unknown project config \"min-release-age\". This will stop working in the next major version of npm.\n\n> scholatile@0.1.0 build\n> tsc && vite build\n\nvite v8.0.5 building client environment for production...\n✓ 373 modules transformed.\ncomputing gzip size...\ndist/index.html                     0.39 kB │ gzip:   0.27 kB\ndist/assets/index-CS-UngP9.css     34.60 kB │ gzip:   5.22 kB\ndist/assets/index-B3B5jK-1.js   1,137.81 kB │ gzip: 315.10 kB\n\n✓ built in 443ms\n[plugin builtin:vite-reporter] \n(!) Some chunks are larger than 500 kB after minification. Consider:\n- Using dynamic import() to code-split the application\n- Use build.rolldownOptions.output.codeSplitting to improve chunking: https://rolldown.rs/reference/OutputOptions.codeSplitting\n- Adjust chunk size limit for this warning via build.chunkSizeWarningLimit.\n\n> scholatile-backend@1.0.0 build\n> tsc\nProcess Group PGID: 201155"
  }
}

MODEL ✨

Excelエクスポート機能で「Event」行（祝日や学校行事などの共通イベント）が出力されない問題を修正しました。

修正内容

共通イベント行の追加: リソースごとの行を処理する前に、カレンダー最上部の「Event」行に相当するデータを Excel に出力するロジックを追加しました。
重なりへの対応: カレンダー同様、複数のイベントや祝日が重なっている場合は、自動的にサブ行を作成してすべて表示されるようにしました。
視覚的表現:
- 祝日は濃い赤色の背景に白文字で強調。
- 行事はカレンダーで設定された色（またはデフォルト色）でセルを塗りつぶし。
- イベント名と場所を表示し、複数時限にまたがる場合はセルを結合。

これにより、Web 画面上の見た目に極めて近い構造で Excel ファイルが生成されるようになりました。再度エクスポートをお試しください。

USER 🧑‍💻

excel-export-btn の位置を controls の右端に

MODEL ✨

Tool Command:

{
  "name": "read_file",
  "args": {
    "file_path": "src/components/Timetable.tsx",
    "start_line": 1,
    "end_line": 100
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "read_file_1775682714426_0",
  "name": "read_file",
  "response": {
    "output": "\nIMPORTANT: The file content has been truncated.\nStatus: Showing lines 1-100 of 467 total lines.\nAction: To read more of the file, you can use the 'start_line' and 'end_line' parameters in a subsequent 'read_file' call. For example, to read the next section of the file, use start_line: 101.\n\n--- FILE CONTENT (truncated) ---\nimport { TimePeriod, Resource, Lesson, ResourceType, ViewType, Holiday, ResourceLabels, ScheduleEvent, SystemSetting } from '../types';\nimport { format, addDays, isSameDay, parseISO, getYear, differenceInDays, isWithinInterval, isBefore, isAfter, startOfDay } from 'date-fns';\nimport './Timetable.css';\nimport { useTranslation } from 'react-i18next';\nimport { JSX } from 'preact';\nimport { exportTimetableToExcel } from '../utils/excelExport';\n\ninterface Props {\n  periods: TimePeriod[];\n  resources: Resource[];\n  lessons: Lesson[];\n  events: ScheduleEvent[];\n  viewMode: ResourceType;\n  viewType: ViewType;\n  baseDate: Date;\n  holidays: Holiday[];\n  labels: ResourceLabels;\n  systemSettings: SystemSetting | null;\n  onEventClick?: (event: ScheduleEvent) => void;\n  onEmptyEventClick?: (date: string, periodId: string) => void;\n  onLessonClick?: (lesson: Lesson) => void;\n  onEmptyResourceCellClick?: (resourceId: string, date: string, periodId: string) => void;\n}\n\nexport function Timetable({ \n  periods, resources, lessons, events, viewMode, viewType, baseDate, holidays, labels, systemSettings,\n  onEventClick, onEmptyEventClick, onLessonClick, onEmptyResourceCellClick \n}: Props) {\n  const { t } = useTranslation();\n  const locale = navigator.language;\n  const dateFormatter = new Intl.DateTimeFormat(locale, { month: 'short', day: 'numeric', weekday: 'short' });\n\n  const getResourceName = (id: string) => {\n    const res = resources.find(r => r.id === id);\n    return res ? t(res.name) : id;\n  };\n\n  const currentViewStart = startOfDay(baseDate);\n\n  const getHoliday = (date: Date) => {\n    const target = startOfDay(date);\n    return holidays.find(h => {\n      if (h.date) return isSameDay(target, startOfDay(parseISO(h.date)));\n      if (h.start && h.end) {\n        const start = startOfDay(parseISO(h.start));\n        const end = startOfDay(parseISO(h.end));\n        return (isSameDay(target, start) || isAfter(target, start)) && \n               (isSameDay(target, end) || isBefore(target, end));\n      }\n      return false;\n    });\n  };\n\n  const getDayCount = () => {\n    if (viewType === 'day') return 1;\n    if (viewType === 'week') return 7;\n    if (viewType === 'month') return 30;\n    if (viewType === 'year') {\n      const month = systemSettings?.yearViewStartMonth ?? 4;\n      const day = systemSettings?.yearViewStartDay ?? 1;\n      \n      const start = new Date(getYear(baseDate), month - 1, day);\n      const end = new Date(getYear(baseDate) + 1, month - 1, day);\n      return differenceInDays(end, start);\n    }\n    return 1;\n  };\n\n  const dayCount = getDayCount();\n  const displayDates = Array.from({ length: dayCount }).map((_, i) => addDays(currentViewStart, i));\n  const currentViewEnd = startOfDay(displayDates[displayDates.length - 1]);\n\n  const filteredResources = resources\n    .filter(r => r.type === viewMode)\n    .sort((a, b) => (a.order ?? 0) - (b.order ?? 0));\n\n  const isDayView = viewType === 'day';\n  const colWidthNum = isDayView ? 60 : 50;\n  const colWidth = isDayView ? '1fr' : `${colWidthNum}px`;\n  const totalCols = displayDates.length * periods.length;\n  const totalWidth = 150 + totalCols * colWidthNum;\n\n  const gridStyle = {\n    '--col-width': isDayView ? 'auto' : colWidth,\n    display: 'grid',\n    width: isDayView ? '100%' : 'fit-content',\n    minWidth: isDayView ? '0' : `${totalWidth}px`,\n    gridTemplateColumns: `150px repeat(${totalCols}, ${colWidth})`,\n    gridTemplateRows: `40px 30px 80px repeat(${filteredResources.length || 0}, 80px)`,\n  } as JSX.CSSProperties;\n\n  const stickyLeft = { position: 'sticky', left: 0 } as JSX.CSSProperties;\n\n  const handleExport = () => {\n    exportTimetableToExcel({\n      periods, resources, lessons, events, viewMode, viewType, baseDate, holidays, labels, systemSettings, t\n    });\n  };\n\n  const dateHeaders = displayDates.map((date, dIdx) => {"
  }
}

MODEL ✨

Tool Command:

{
  "name": "grep_search",
  "args": {
    "pattern": "controls",
    "context": 15
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "grep_search_1775682809795_0",
  "name": "grep_search",
  "response": {
    "output": "Found 3 matches for pattern \"controls\" in path \".\":\n---\nFile: src/components/Timetable.css\nL267-   white-space: nowrap;\nL268- }\nL269- \nL270- .lesson-details {\nL271-   display: flex;\nL272-   flex-direction: column;\nL273-   gap: 1px;\nL274- }\nL275- \nL276- .lesson-info {\nL277-   font-size: 0.65rem;\nL278-   opacity: 0.9;\nL279-   line-height: 1.1;\nL280- }\nL281- \nL282: .controls {\nL283-   margin-bottom: 5px;\nL284-   display: flex;\nL285-   flex-wrap: wrap;\nL286-   justify-content: flex-start;\nL287-   gap: 15px;\nL288-   align-items: center;\nL289-   padding: 5px 10px;\nL290-   background: #333;\nL291-   border-radius: 4px;\nL292- }\nL293- \nL294- .control-group {\nL295-   display: flex;\nL296-   gap: 5px;\nL297- }\nL350-   }\nL351- }\nL352- \nL353- @media (prefers-color-scheme: light) {\nL354-   .timetable-container { background-color: #f9f9f9; }\nL355-   .grid-corner { background-color: #eee; border-color: #ccc; }\nL356-   .date-header { background-color: #eee; color: #333; border-color: #ccc; }\nL357-   .is-sunday, .is-holiday { color: #d33; background-color: #fff0f0 !important; }\nL358-   .is-saturday { color: #33d; background-color: #f0f0ff !important; }\nL359-   .period-header { background-color: #f5f5f5; color: #666; }\nL360-   .grid-label { background-color: #eee; color: #333; }\nL361-   .event-label { background-color: #e5e5e5 !important; color: #000 !important; border-bottom-color: #ccc !important; }\nL362-   .event-cell { background-color: #fff; border-bottom-color: #ccc; border-right-color: #eee; }\nL363-   .holiday-card { background-color: #fee2e2 !important; color: #b91c1c !important; border-color: #fecaca; }\nL364-   .schedule-event-card { border-color: rgba(0,0,0,0.1); }\nL365:   .controls { background: #f0f0f0; }\nL366-   .control-group button {\nL367-     background-color: #e5e5e5;\nL368-     color: #333;\nL369-     border-color: #ccc;\nL370-   }\nL371-   .control-group button:hover {\nL372-     background-color: #d8d8d8;\nL373-     border-color: #bbb;\nL374-   }\nL375-   .control-group button.active {\nL376-     background-color: #333; /* 背景を黒に (反転) */\nL377-     color: #fff; /* 文字を白に (反転) */\nL378-     border-color: #333;\nL379-   }\nL380-   .grid-cell.is-sunday, .grid-cell.is-holiday { background-color: #fffafa; }\n---\nFile: src/App.tsx\nL319-                         {t('System Settings')}\nL320-                       </button>\nL321-                     </div>\nL322-                   )}\nL323-                 </div>\nL324-               )}\nL325-               <button className=\"profile-button\" onClick={() => showProfileManager.value = true}>\nL326-                 {t('My Profile')}\nL327-               </button>\nL328-               <span className=\"user-email\">{user.value.email} ({user.value.role})</span>\nL329-               <button className=\"logout-button\" onClick={handleLogout}>{t('Sign Out')}</button>\nL330-             </div>\nL331-           )}\nL332-         </div>\nL333- \nL334:         <div className=\"controls\">\nL335-           <div className=\"control-group\">\nL336-             <button\nL337-               className={viewMode.value === 'room' ? 'active' : ''}\nL338-               onClick={() => viewMode.value = 'room'}\nL339-             >\nL340-               {resourceLabels.value.room}\nL341-             </button>\nL342-             <button\nL343-               className={viewMode.value === 'teacher' ? 'active' : ''}\nL344-               onClick={() => viewMode.value = 'teacher'}\nL345-             >\nL346-               {resourceLabels.value.teacher}\nL347-             </button>\nL348-             <button\nL349-               className={viewMode.value === 'course' ? 'active' : ''}\n---"
  }
}

MODEL ✨

Tool Command:

{
  "name": "read_file",
  "args": {
    "end_line": 100,
    "start_line": 1,
    "file_path": "src/App.tsx"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "read_file_1775683108250_0",
  "name": "read_file",
  "response": {
    "output": "\nIMPORTANT: The file content has been truncated.\nStatus: Showing lines 1-100 of 558 total lines.\nAction: To read more of the file, you can use the 'start_line' and 'end_line' parameters in a subsequent 'read_file' call. For example, to read the next section of the file, use start_line: 101.\n\n--- FILE CONTENT (truncated) ---\nimport { useSignal } from '@preact/signals';\nimport { useEffect } from 'preact/hooks';\nimport { useTranslation } from 'react-i18next';\nimport { Timetable } from './components/Timetable';\nimport { Login } from './components/Login';\nimport { PeriodManager } from './components/PeriodManager';\nimport { LabelManager } from './components/LabelManager';\nimport { CourseManager } from './components/CourseManager';\nimport { RoomManager } from './components/RoomManager';\nimport { TeacherManager } from './components/TeacherManager';\nimport { EventManager } from './components/EventManager';\nimport { LessonManager } from './components/LessonManager';\nimport { HolidayManager } from './components/HolidayManager';\nimport { UserManager } from './components/UserManager';\nimport { ProfileManager } from './components/ProfileManager';\nimport { SystemSettingManager } from './components/SystemSettingManager';\nimport { DeliveryMethodManager } from './components/DeliveryMethodManager';\nimport { Resource, Lesson, ScheduleEvent, ResourceType, ViewType, Holiday, ResourceLabels, User, AuthResponse, TimePeriod, SystemSetting } from './types';\nimport { format, addDays, getYear, getMonth, parseISO } from 'date-fns';\n\nconst BACKEND_URL = import.meta.env.VITE_API_URL || 'http://localhost:3001/api';\n\nexport function App() {\n  const { t } = useTranslation();\n  const viewMode = useSignal<ResourceType>('room');\n  const viewType = useSignal<ViewType>('day');\n  const currentDate = useSignal<Date>(new Date());\n  const holidays = useSignal<Holiday[]>([]);\n  const periods = useSignal<TimePeriod[]>([]);\n  const systemSettings = useSignal<SystemSetting | null>(null);\n  const isHolidayMode = useSignal<boolean>(false);\n  const showPeriodManager = useSignal<boolean>(false);\n  const showLabelManager = useSignal<boolean>(false);\n  const showCourseManager = useSignal<boolean>(false);\n  const showRoomManager = useSignal<boolean>(false);\n  const showTeacherManager = useSignal<boolean>(false);\n  const showEventManager = useSignal<boolean>(false);\n  const showLessonManager = useSignal<boolean>(false);\n  const showHolidayManager = useSignal<boolean>(false);\n  const showUserManager = useSignal<boolean>(false);\n  const showProfileManager = useSignal<boolean>(false);\n  const showSystemSettingManager = useSignal<boolean>(false);\n  const showDeliveryMethodManager = useSignal<boolean>(false);\n  const editingEvent = useSignal<Partial<ScheduleEvent> | null>(null);\n  const editingLesson = useSignal<Partial<Lesson> | null>(null);\n  const showSettingsDropdown = useSignal<boolean>(false);\n  const resources = useSignal<Resource[]>([]);\n  const lessons = useSignal<Lesson[]>([]);\n  const events = useSignal<ScheduleEvent[]>([]);\n  const sessionRestored = useSignal<boolean>(false);\n\n  // Auth signals\n  const user = useSignal<User | null>(null);\n  const authError = useSignal<string | undefined>(undefined);\n\n  // リソースの表示名設定\n  const resourceLabels = useSignal<ResourceLabels>({\n    room: '',\n    teacher: '',\n    course: '',\n    event: '',\n    mainTeacher: '',\n    subTeacher: '',\n    mainRoom: '',\n    deliveryMethod: '',\n    subject: ''\n  });\n\n  // 初期化時に /auth/me でセッション復元\n  useEffect(() => {\n    const restoreSession = async () => {\n      try {\n        const res = await fetch(`${BACKEND_URL}/auth/me`, {\n          credentials: 'include'\n        });\n        if (res.ok) {\n          const data = await res.json();\n          user.value = data;\n        }\n      } catch (err) {\n        console.error('Session restoration failed:', err);\n      } finally {\n        sessionRestored.value = true;\n      }\n    };\n    restoreSession();\n  }, []);\n\n  const fetchData = async () => {\n    if (!user.value) return;\n    try {\n      const responses = await Promise.all([\n        fetch(`${BACKEND_URL}/resources`, { credentials: 'include' }),\n        fetch(`${BACKEND_URL}/lessons`, { credentials: 'include' }),\n        fetch(`${BACKEND_URL}/events`, { credentials: 'include' }),\n        fetch(`${BACKEND_URL}/holidays`, { credentials: 'include' }),\n        fetch(`${BACKEND_URL}/periods`, { credentials: 'include' }),\n        fetch(`${BACKEND_URL}/labels`, { credentials: 'include' }),\n        fetch(`${BACKEND_URL}/settings`, { credentials: 'include' })\n      ]);"
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "instruction": "Remove Excel export logic and button from Timetable component.",
    "old_string": "import { format, addDays, isSameDay, parseISO, getYear, differenceInDays, isWithinInterval, isBefore, isAfter, startOfDay } from 'date-fns';\nimport './Timetable.css';\nimport { useTranslation } from 'react-i18next';\nimport { JSX } from 'preact';\nimport { exportTimetableToExcel } from '../utils/excelExport';\n\ninterface Props {",
    "allow_multiple": false,
    "file_path": "src/components/Timetable.tsx",
    "new_string": "import { format, addDays, isSameDay, parseISO, getYear, differenceInDays, isWithinInterval, isBefore, isAfter, startOfDay } from 'date-fns';\nimport './Timetable.css';\nimport { useTranslation } from 'react-i18next';\nimport { JSX } from 'preact';\n\ninterface Props {"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775683613256_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/Timetable.tsx (1 replacements). Here is the updated code:\nimport { TimePeriod, Resource, Lesson, ResourceType, ViewType, Holiday, ResourceLabels, ScheduleEvent, SystemSetting } from '../types';\nimport { format, addDays, isSameDay, parseISO, getYear, differenceInDays, isWithinInterval, isBefore, isAfter, startOfDay } from 'date-fns';\nimport './Timetable.css';\nimport { useTranslation } from 'react-i18next';\nimport { JSX } from 'preact';\n\ninterface Props {\n  periods: TimePeriod[];\n  resources: Resource[];\n  lessons: Lesson[];\n..."
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "allow_multiple": false,
    "old_string": "  const stickyLeft = { position: 'sticky', left: 0 } as JSX.CSSProperties;\n\n  const handleExport = () => {\n    exportTimetableToExcel({\n      periods, resources, lessons, events, viewMode, viewType, baseDate, holidays, labels, systemSettings, t\n    });\n  };\n\n  const dateHeaders = displayDates.map((date, dIdx) => {",
    "instruction": "Remove handleExport function.",
    "file_path": "src/components/Timetable.tsx",
    "new_string": "  const stickyLeft = { position: 'sticky', left: 0 } as JSX.CSSProperties;\n\n  const dateHeaders = displayDates.map((date, dIdx) => {"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775683777465_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/Timetable.tsx (1 replacements). Here is the updated code:\n...\n    gridTemplateRows: `40px 30px 80px repeat(${filteredResources.length || 0}, 80px)`,\n  } as JSX.CSSProperties;\n\n  const stickyLeft = { position: 'sticky', left: 0 } as JSX.CSSProperties;\n\n  const dateHeaders = displayDates.map((date, dIdx) => {\n    const holiday = getHoliday(date);\n    const isSun = date.getDay() === 0;\n    const isSat = date.getDay() === 6;\n    const isFirstOfMonth = date.getDate() === 1;\n..."
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "allow_multiple": false,
    "old_string": "  return (\n    <div className=\"timetable-wrapper\" style={wrapperStyle}>\n      <button className=\"excel-export-btn\" onClick={handleExport} title={t('Export to Excel')}>\n        <svg width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\">\n          <path d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"></path>\n          <polyline points=\"14 2 14 8 20 8\"></polyline>\n          <line x1=\"16\" y1=\"13\" x2=\"8\" y2=\"13\"></line>\n          <line x1=\"16\" y1=\"17\" x2=\"8\" y2=\"17\"></line>\n          <polyline points=\"10 9 9 9 8 9\"></polyline>\n        </svg>\n      </button>\n      <div \n        key={`grid-${viewType}-${baseDate.getTime()}-${viewMode}-${filteredResources.length}-${totalCols}`}",
    "instruction": "Remove Excel export button from Timetable component JSX.",
    "file_path": "src/components/Timetable.tsx",
    "new_string": "  return (\n    <div className=\"timetable-wrapper\" style={wrapperStyle}>\n      <div \n        key={`grid-${viewType}-${baseDate.getTime()}-${viewMode}-${filteredResources.length}-${totalCols}`}"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775683897633_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/Timetable.tsx (1 replacements). Here is the updated code:\n...\n    overflowX: isDayView ? 'hidden' : 'auto'\n  } as JSX.CSSProperties;\n\n  return (\n    <div className=\"timetable-wrapper\" style={wrapperStyle}>\n      <div \n        key={`grid-${viewType}-${baseDate.getTime()}-${viewMode}-${filteredResources.length}-${totalCols}`}\n        className=\"timetable-container\" \n        style={gridStyle}\n      >\n..."
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "allow_multiple": false,
    "old_string": "import { format, addDays, getYear, getMonth, parseISO } from 'date-fns';\n\nconst BACKEND_URL = import.meta.env.VITE_API_URL || 'http://localhost:3001/api';",
    "file_path": "src/App.tsx",
    "new_string": "import { format, addDays, getYear, getMonth, parseISO } from 'date-fns';\nimport { exportTimetableToExcel } from './utils/excelExport';\n\nconst BACKEND_URL = import.meta.env.VITE_API_URL || 'http://localhost:3001/api';",
    "instruction": "Import exportTimetableToExcel in App component."
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775684483792_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/App.tsx (1 replacements). Here is the updated code:\n...\nimport { ProfileManager } from './components/ProfileManager';\nimport { SystemSettingManager } from './components/SystemSettingManager';\nimport { DeliveryMethodManager } from './components/DeliveryMethodManager';\nimport { Resource, Lesson, ScheduleEvent, ResourceType, ViewType, Holiday, ResourceLabels, User, AuthResponse, TimePeriod, SystemSetting } from './types';\nimport { format, addDays, getYear, getMonth, parseISO } from 'date-fns';\nimport { exportTimetableToExcel } from './utils/excelExport';\n\nconst BACKEND_URL = import.meta.env.VITE_API_URL || 'http://localhost:3001/api';\n\nexport function App() {\n  const { t } = useTranslation();\n..."
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "file_path": "src/App.tsx",
    "allow_multiple": false,
    "old_string": "  return (\n    <div className=\"app-container\">",
    "instruction": "Add handleExport function to App component.",
    "new_string": "  const handleExport = () => {\n    exportTimetableToExcel({\n      periods: periods.value,\n      resources: resources.value,\n      lessons: lessons.value,\n      events: events.value,\n      viewMode: viewMode.value,\n      viewType: viewType.value,\n      baseDate: currentDate.value,\n      holidays: holidays.value,\n      labels: resourceLabels.value,\n      systemSettings: systemSettings.value,\n      t\n    });\n  };\n\n  return (\n    <div className=\"app-container\">"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775685162586_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/App.tsx (1 replacements). Here is the updated code:\n...\n      }\n      currentDate.value = new Date(year, month - 1, day);\n    }\n  };\n\n  const handleExport = () => {\n    exportTimetableToExcel({\n      periods: periods.value,\n      resources: resources.value,\n      lessons: lessons.value,\n      events: events.value,\n      viewMode: viewMode.value,\n      viewType: viewType.value,\n      baseDate: currentDate.value,\n      holidays: holidays.value,\n      labels: resourceLabels.value,\n      systemSettings: systemSettings.value,\n      t\n    });\n  };\n\n  return (\n    <div className=\"app-container\">\n      <header className=\"app-header\">\n        <div className=\"header-top\">\n          <h1>ScholaTile</h1>\n..."
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "instruction": "Add Excel export button to the controls div.",
    "old_string": "          <div className=\"control-group\">\n            <input \n              type=\"date\" \n              className=\"date-picker\"\n              value={format(currentDate.value, 'yyyy-MM-dd')} \n              onChange={(e) => currentDate.value = new Date(e.currentTarget.value)}\n            />\n            <button onClick={() => currentDate.value = new Date()}>{t('Today')}</button>\n          </div>\n        </div>",
    "allow_multiple": false,
    "file_path": "src/App.tsx",
    "new_string": "          <div className=\"control-group\">\n            <input \n              type=\"date\" \n              className=\"date-picker\"\n              value={format(currentDate.value, 'yyyy-MM-dd')} \n              onChange={(e) => currentDate.value = new Date(e.currentTarget.value)}\n            />\n            <button onClick={() => currentDate.value = new Date()}>{t('Today')}</button>\n          </div>\n          <button className=\"excel-export-btn\" onClick={handleExport} title={t('Export to Excel')}>\n            <svg width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\">\n              <path d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"></path>\n              <polyline points=\"14 2 14 8 20 8\"></polyline>\n              <line x1=\"16\" y1=\"13\" x2=\"8\" y2=\"13\"></line>\n              <line x1=\"16\" y1=\"17\" x2=\"8\" y2=\"17\"></line>\n              <polyline points=\"10 9 9 9 8 9\"></polyline>\n            </svg>\n          </button>\n        </div>"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775685226865_0",
  "name": "replace",
  "response": {
    "error": "Failed to edit, 0 occurrences found for old_string in src/App.tsx. Ensure you're not escaping content incorrectly and check whitespace, indentation, and context. Use read_file tool to verify."
  }
}

MODEL ✨

Tool Command:

{
  "name": "read_file",
  "args": {
    "file_path": "src/App.tsx",
    "start_line": 350,
    "end_line": 450
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "read_file_1775685255148_0",
  "name": "read_file",
  "response": {
    "output": "\nIMPORTANT: The file content has been truncated.\nStatus: Showing lines 350-450 of 575 total lines.\nAction: To read more of the file, you can use the 'start_line' and 'end_line' parameters in a subsequent 'read_file' call. For example, to read the next section of the file, use start_line: 451.\n\n--- FILE CONTENT (truncated) ---\n\n        <div className=\"controls\">\n          <div className=\"control-group\">\n            <button \n              className={viewMode.value === 'room' ? 'active' : ''} \n              onClick={() => viewMode.value = 'room'}\n            >\n              {resourceLabels.value.room}\n            </button>\n            <button \n              className={viewMode.value === 'teacher' ? 'active' : ''} \n              onClick={() => viewMode.value = 'teacher'}\n            >\n              {resourceLabels.value.teacher}\n            </button>\n            <button \n              className={viewMode.value === 'course' ? 'active' : ''} \n              onClick={() => viewMode.value = 'course'}\n            >\n              {resourceLabels.value.course}\n            </button>\n          </div>\n\n          <div className=\"control-group\">\n            <button \n              className={viewType.value === 'day' ? 'active' : ''} \n              onClick={() => handleViewTypeChange('day')}\n            >\n              {t('1 day')}\n            </button>\n            <button \n              className={viewType.value === 'week' ? 'active' : ''} \n              onClick={() => handleViewTypeChange('week')}\n            >\n              {t('1 week')}\n            </button>\n            <button \n              className={viewType.value === 'month' ? 'active' : ''} \n              onClick={() => handleViewTypeChange('month')}\n            >\n              {t('1 month')}\n            </button>\n            <button \n              className={viewType.value === 'year' ? 'active' : ''} \n              onClick={() => handleViewTypeChange('year')}\n            >\n              {t('1 year')}\n            </button>\n          </div>\n\n          <div className=\"control-group date-nav\">\n            <button onClick={() => moveDate(-1)}>{t('Prev')}</button>\n            <input \n              type=\"date\" \n              className=\"date-picker\"\n              value={format(currentDate.value, 'yyyy-MM-dd')}\n              onChange={handleDateChange}\n            />\n            <button onClick={() => moveDate(1)}>{t('Next')}</button>\n          </div>\n        </div>\n      </header>\n\n      <div className={`timetable-view`}>\n        <Timetable \n          periods={periods.value}\n          resources={resources.value}\n          lessons={lessons.value}\n          events={events.value}\n          viewMode={viewMode.value}\n          viewType={viewType.value}\n          baseDate={currentDate.value}\n          holidays={holidays.value}\n          labels={resourceLabels.value}\n          systemSettings={systemSettings.value}\n          onEventClick={(event) => {\n            editingEvent.value = event;\n            showEventManager.value = true;\n          }}\n          onEmptyEventClick={(date, periodId) => {\n            editingEvent.value = { startDate: date, startPeriodId: periodId };\n            showEventManager.value = true;\n          }}\n          onLessonClick={(lesson) => {\n            editingLesson.value = lesson;\n            showLessonManager.value = true;\n          }}\n          onEmptyResourceCellClick={(resourceId, date, periodId) => {\n            const initial: Partial<Lesson> = { startDate: date, startPeriodId: periodId, endDate: date, endPeriodId: periodId };\n            if (viewMode.value === 'room') {\n              initial.roomId = resourceId;\n              // この教室をメイン教室としている講座があれば、それを初期選択\n              const relatedCourse = resources.value.find(c => c.type === 'course' && c.mainRoomId === resourceId);\n              if (relatedCourse) initial.courseId = relatedCourse.id;\n            }\n            else if (viewMode.value === 'teacher') initial.teacherId = resourceId;\n            else if (viewMode.value === 'course') initial.courseId = resourceId;\n            editingLesson.value = initial;\n            showLessonManager.value = true;\n          }}\n        />"
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "new_string": "          <div className=\"control-group date-nav\">\n            <button onClick={() => moveDate(-1)}>{t('Prev')}</button>\n            <input \n              type=\"date\" \n              className=\"date-picker\"\n              value={format(currentDate.value, 'yyyy-MM-dd')}\n              onChange={handleDateChange}\n            />\n            <button onClick={() => moveDate(1)}>{t('Next')}</button>\n          </div>\n\n          <button className=\"excel-export-btn\" onClick={handleExport} title={t('Export to Excel')}>\n            <svg width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\">\n              <path d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"></path>\n              <polyline points=\"14 2 14 8 20 8\"></polyline>\n              <line x1=\"16\" y1=\"13\" x2=\"8\" y2=\"13\"></line>\n              <line x1=\"16\" y1=\"17\" x2=\"8\" y2=\"17\"></line>\n              <polyline points=\"10 9 9 9 8 9\"></polyline>\n            </svg>\n          </button>\n        </div>",
    "allow_multiple": false,
    "old_string": "          <div className=\"control-group date-nav\">\n            <button onClick={() => moveDate(-1)}>{t('Prev')}</button>\n            <input \n              type=\"date\" \n              className=\"date-picker\"\n              value={format(currentDate.value, 'yyyy-MM-dd')}\n              onChange={handleDateChange}\n            />\n            <button onClick={() => moveDate(1)}>{t('Next')}</button>\n          </div>\n        </div>",
    "instruction": "Add Excel export button to the controls div in App.tsx.",
    "file_path": "src/App.tsx"
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775685303319_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/App.tsx (1 replacements). Here is the updated code:\n...\n              value={format(currentDate.value, 'yyyy-MM-dd')}\n              onChange={handleDateChange}\n            />\n            <button onClick={() => moveDate(1)}>{t('Next')}</button>\n          </div>\n\n          <button className=\"excel-export-btn\" onClick={handleExport} title={t('Export to Excel')}>\n            <svg width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\">\n              <path d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"></path>\n              <polyline points=\"14 2 14 8 20 8\"></polyline>\n              <line x1=\"16\" y1=\"13\" x2=\"8\" y2=\"13\"></line>\n              <line x1=\"16\" y1=\"17\" x2=\"8\" y2=\"17\"></line>\n              <polyline points=\"10 9 9 9 8 9\"></polyline>\n            </svg>\n          </button>\n        </div>\n      </header>\n\n      <div className={`timetable-view`}>\n        <Timetable \n..."
  }
}

MODEL ✨

Tool Command:

{
  "name": "replace",
  "args": {
    "old_string": ".excel-export-btn {\n  position: absolute;\n  top: 5px;\n  right: 25px;\n  z-index: 101; /* grid-corner(100) より上 */\n  background: #252;\n  color: #8f8;\n  border: 1px solid #474;\n  border-radius: 4px;\n  padding: 4px;\n  cursor: pointer;\n  display: flex;\n  align-items: center;\n  justify-content: center;\n  transition: all 0.2s;\n}",
    "new_string": ".excel-export-btn {\n  background: #252;\n  color: #8f8;\n  border: 1px solid #474;\n  border-radius: 4px;\n  padding: 4px 10px;\n  cursor: pointer;\n  display: flex;\n  align-items: center;\n  justify-content: center;\n  transition: all 0.2s;\n  margin-left: auto; /* controls の右端に寄せる */\n}",
    "instruction": "Update excel-export-btn CSS for flex layout in controls.",
    "file_path": "src/components/Timetable.css",
    "allow_multiple": false
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "replace_1775685875663_0",
  "name": "replace",
  "response": {
    "output": "Successfully modified file: /path/to/Education-Scheduler/src/components/Timetable.css (1 replacements). Here is the updated code:\n...\n  border-radius: 4px;\n  position: relative; /* Sticky context */\n}\n\n.excel-export-btn {\n  background: #252;\n  color: #8f8;\n  border: 1px solid #474;\n  border-radius: 4px;\n  padding: 4px 10px;\n  cursor: pointer;\n  display: flex;\n  align-items: center;\n  justify-content: center;\n  transition: all 0.2s;\n  margin-left: auto; /* controls の右端に寄せる */\n}\n\n.excel-export-btn:hover {\n  background: #363;\n  color: #aff;\n..."
  }
}

MODEL ✨

Tool Command:

{
  "name": "run_shell_command",
  "args": {
    "command": "npm run build && cd backend && npm run build",
    "description": "Verify changes with a build."
  }
}

USER 🧑‍💻

Tool Response:

{
  "id": "run_shell_command_1775685887841_0",
  "name": "run_shell_command",
  "response": {
    "output": "Output: npm warn Unknown project config \"min-release-age\". This will stop working in the next major version of npm.\n\n> scholatile@0.1.0 build\n> tsc && vite build\n\nvite v8.0.5 building client environment for production...\n✓ 373 modules transformed.\ncomputing gzip size...\ndist/index.html                     0.39 kB │ gzip:   0.27 kB\ndist/assets/index-7x1TCPYE.css     34.57 kB │ gzip:   5.19 kB\ndist/assets/index-lPBVa1CN.js   1,137.86 kB │ gzip: 314.75 kB\n\n✓ built in 460ms\n[plugin builtin:vite-reporter] \n(!) Some chunks are larger than 500 kB after minification. Consider:\n- Using dynamic import() to code-split the application\n- Use build.rolldownOptions.output.codeSplitting to improve chunking: https://rolldown.rs/reference/OutputOptions.codeSplitting\n- Adjust chunk size limit for this warning via build.chunkSizeWarningLimit.\n\n> scholatile-backend@1.0.0 build\n> tsc\nProcess Group PGID: 208835"
  }
}

MODEL ✨

Excel エクスポートボタンをタイムテーブル内から controls 行（操作パネル）の右端に移動しました。

変更点

配置の変更: ボタンを App.tsx の .controls コンテナ内に移動し、margin-left: auto を適用することで、他の操作ボタン（表示切替や日付選択）とは独立して右端に配置されるようにしました。
UI の整合性: 他のボタンと同様のパディングを設定し、操作パネル全体のレイアウトに馴染むように調整しました。
機能の維持: App.tsx で管理されている最新のスケジューリングデータ（表示モード、日付範囲など）を使用してエクスポートを実行します。

これにより、タイムテーブルのスクロールに影響されず、常に同じ場所からエクスポート操作が可能になりました。

USER 🧑‍💻

LGTM

MODEL ✨

ご満足いただけて幸いです！今回のセッションで実施した作業内容をまとめました。

完了した作業

Lesson 項目の機能強化
- remarks (備考: 複数行入力対応)、externalTeacher (外部講師名)、externalSubTeachers (外部サブ講師名) を追加。
- Prisma スキーマ、バックエンド API、フロントエンドの型定義および UI (LessonManager) をすべて更新しました。
- iCalendar (.ics) エクスポートにもこれらの情報が含まれるように拡張しました。
講座間での授業複製機能
- 指定した期間の授業を別の講座へ複製する API と UI を実装。
- 複製時に「講師情報をクリア」「複製先講座のメイン教室を自動割当」「既存授業との重複回避」を行うロジックを組み込みました。
Excel エクスポート機能
- 表示中のビュー（1日/1週/1ヶ月/1年）をそのまま Excel 形式で出力する機能を実装。
- セルの色、結合、共通イベント（行事・祝日）の表示、ウィンドウ枠の固定など、カレンダーの見た目を高度に再現しました。
- エクスポートボタンを操作パネルの右端に配置し、アクセシビリティを向上させました。
ドキュメント更新
- GEMINI.md に新機能およびエンティティの変更点を反映しました。

次のステップ

データベースの更新:
バックエンドのディレクトリで以下のコマンドを実行し、データベースの変更を適用してください。
```
cd backend
npx prisma migrate dev
```
動作確認:
開発環境を起動し、新しい項目の入力、講座間での複製、および Excel の出力結果が期待通りであることをご確認ください。

その他、追加のご要望や調整が必要な箇所がありましたら、いつでもお知らせください。お疲れ様でした！

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