feat: enhance DailyCheckbox model and service for type management

- Added `DailyCheckboxType` to define checkbox types ('task' | 'meeting') in TypeScript.
- Updated `DailyCheckbox` model in Prisma schema to include `type` field with a default value of 'task'.
- Modified `DailyService` to handle checkbox type during creation and updates.
- Adjusted API route to accept checkbox type in requests.
- Refactored `DailyPageClient` to support type management in checkbox operations.

prisma/schema.prisma

@@ -72,6 +72,7 @@ model DailyCheckbox {
   date      DateTime // Date de la checkbox (YYYY-MM-DD)
   text      String // Texte de la checkbox
   isChecked Boolean  @default(false)
+  type      String   @default("task") // "task" | "meeting"
   order     Int      @default(0) // Ordre d'affichage pour cette date
   taskId    String? // Liaison optionnelle vers une tâche
   createdAt DateTime @default(now())