Build Note ViewSet with CRUD endpoints

[RossCabrera]

Overview

Create Django REST Framework ViewSet for Notes with create, read, update,
delete operations. Implement user isolation and filtering.

Requirements

• Create apps/notes/serializers.py with NoteSerializer
• Create apps/notes/views.py with NoteViewSet
• Implement user isolation (users can only access own notes)
• Add filtering, searching, and ordering
• Handle soft deletes (optional)
• Create proper error responses

Acceptance Criteria

• Users see only own notes (AC-NOTE-02)
• Notes have title, description, timestamps (AC-NOTE-01)
• Category optional on note
• Authenticated access required
• 404 returned for non-existent notes
• 403 returned for unauthorized access
• Created/updated timestamps set automatically
• Pagination works
• Filtering by category works
• Searching works
• Ordering works
• Input validation (title required, max lengths)
• Soft delete (optional, for data recovery)

Related User Stories

• US-NOTE-05: Create, edit, delete notes

Related Acceptance Criteria

• AC-NOTE-01: Notes have required fields
• AC-NOTE-02: User isolation

Related Issues

• Depends on: Run initial migrations and test database connection #5 , Set up JWT with djangorestframework-simplejwt #8
• Blocks: Create TanStack Query hooks for categories #21, Add loading skeletons for UX #25