feat(Notes): associate notes with tasks and enhance note management

- Added taskId field to Note model for associating notes with tasks.
- Updated API routes to handle taskId in note creation and updates.
- Enhanced NotesPageClient to manage task associations within notes.
- Integrated task selection in MarkdownEditor for better user experience.
- Updated NotesService to map task data correctly when retrieving notes.

src/app/notes/NotesPageClient.tsx

@@ -2,6 +2,7 @@
 
 import { useState, useEffect, useCallback } from 'react';
 import { Note } from '@/services/notes';
+import { Task } from '@/lib/types';
 import { notesClient } from '@/clients/notes';
 import { NotesList } from '@/components/notes/NotesList';
 import { MarkdownEditor } from '@/components/notes/MarkdownEditor';
@@ -118,6 +119,7 @@ function NotesPageContent({ initialNotes }: { initialNotes: Note[] }) {
       const updatedNote = await notesClient.updateNote(selectedNote.id, {
         content: selectedNote.content,
         tags: selectedNote.tags,
+        taskId: selectedNote.taskId,
       });
 
       // Mettre à jour la liste des notes mais pas selectedNote pour éviter la perte de focus
@@ -144,6 +146,18 @@ function NotesPageContent({ initialNotes }: { initialNotes: Note[] }) {
     [selectedNote]
   );
 
+  const handleTaskChange = useCallback(
+    (task: Task | null) => {
+      if (!selectedNote) return;
+
+      setSelectedNote((prev) =>
+        prev ? { ...prev, taskId: task?.id, task } : null
+      );
+      setHasUnsavedChanges(true);
+    },
+    [selectedNote]
+  );
+
   // Auto-save quand les tags changent
   useEffect(() => {
     if (hasUnsavedChanges && selectedNote) {
@@ -258,6 +272,9 @@ function NotesPageContent({ initialNotes }: { initialNotes: Note[] }) {
                     tags={selectedNote.tags}
                     onTagsChange={handleTagsChange}
                     availableTags={availableTags}
+                    selectedTaskId={selectedNote.taskId}
+                    selectedTask={selectedNote.task}
+                    onTaskChange={handleTaskChange}
                     onCreateNote={handleCreateNote}
                     onToggleSidebar={() =>
                       setSidebarCollapsed(!sidebarCollapsed)