Enables multi-user project collaboration mirroring the shared calendar
pattern. Includes ProjectMember model with permission levels, task
assignment with auto-membership, optimistic locking, field allowlist
for assignees, disconnect cascade, delta polling for projects and
calendars, and full frontend integration with share sheet, assignment
picker, permission gating, and notification handling.
Migrations: 057 (indexes + version + comment user_id), 058
(project_members), 059 (project_task_assignments)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Add max_length constraints to all string fields in request schemas,
matching DB column limits (title:255, description:5000, etc.)
- Add min_length=1 to required name/title fields
- Add ConfigDict(extra="forbid") to all request schemas to reject
unknown fields (prevents silent field injection)
- Add Path(ge=1, le=2147483647) to all integer path parameters across
all routers to prevent integer overflow → 500 errors
- Add max_length to TOTP inline schemas (code:6, mfa_token:256, etc.)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Backend: TaskComment model + migration, comment CRUD endpoints,
task reorder endpoint, updated selectinload for comments
- Frontend: Two-panel master-detail layout with TaskRow (compact)
and TaskDetailPanel (full details + comments section)
- Sort toolbar: manual (drag-and-drop via @dnd-kit), priority, due date
- Kanban board view with drag-and-drop between status columns
- Responsive: mobile falls back to overlay panel on task select
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>