feat: add related todos functionality in task editing

- Implemented `RelatedTodos` component in `EditTaskForm` to display and manage related todos for a task.
- Updated `TasksClient` to fetch daily checkboxes related to a task.
- Enhanced `TasksService` with a method to retrieve related daily checkboxes from the database.
- Added functionality to create new todos linked to tasks in the daily actions.
- Marked the task for displaying related todos in the task editing interface as complete in TODO.md.

components/forms/EditTaskForm.tsx

@@ -5,6 +5,7 @@ import { Modal } from '@/components/ui/Modal';
 import { Button } from '@/components/ui/Button';
 import { Input } from '@/components/ui/Input';
 import { TagInput } from '@/components/ui/TagInput';
+import { RelatedTodos } from '@/components/forms/RelatedTodos';
 import { Task, TaskPriority, TaskStatus } from '@/lib/types';
 // UpdateTaskData removed - using Server Actions directly
 import { getAllStatuses, getAllPriorities } from '@/lib/status-config';
@@ -95,7 +96,7 @@ export function EditTaskForm({ isOpen, onClose, onSubmit, task, loading = false
 
   return (
     <Modal isOpen={isOpen} onClose={handleClose} title="Modifier la tâche" size="lg">
-      <form onSubmit={handleSubmit} className="space-y-6">
+      <form onSubmit={handleSubmit} className="space-y-4 max-h-[80vh] overflow-y-auto pr-2">
         {/* Titre */}
         <Input
           label="Titre *"
@@ -192,6 +193,9 @@ export function EditTaskForm({ isOpen, onClose, onSubmit, task, loading = false
           />
         </div>
 
+        {/* Todos reliés */}
+        <RelatedTodos taskId={task.id} />
+
         {/* Actions */}
         <div className="flex justify-end gap-3 pt-4 border-t border-[var(--border)]/50">
           <Button