Adding lazy='raise' to relationships with cascade='all, delete-orphan'
broke db.delete() — SQLAlchemy tried to lazy-load related objects for
Python-side cascade but lazy='raise' blocked it with MissingGreenlet.
Fix: Add passive_deletes=True to subtasks, comments, assignments, tasks,
and members relationships. This tells SQLAlchemy to defer cascade to
PostgreSQL's ondelete=CASCADE FK constraint instead of loading objects
in Python. Both the FK and ORM cascade are now aligned.
Also added onError handler to deleteTaskMutation so failures are visible
via toast instead of failing silently.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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>
Migration 036 adds ondelete rules to 5 transitive FKs that would
otherwise block user deletion (calendar_events via calendars,
project_tasks via projects, todos via projects, etc.).
DELETE /api/admin/users/{user_id} with self-action guard, last-admin
guard, session revocation, and audit logging. Frontend gets a red
two-click confirm button in the IAM actions menu.
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>
Backend:
- Add self-referencing parent_task_id FK on project_tasks with CASCADE delete
- Add Alembic migration 002 for parent_task_id column + index
- Update schemas with parent_task_id in create, nested subtasks in response
- Chain selectinload for subtasks on all project queries
- Validate parent must be top-level task (single nesting level only)
Frontend:
- Add parent_task_id and subtasks[] to ProjectTask type
- ProjectDetail: expand/collapse chevrons, subtask progress bars, inline
subtask rendering with accent left border, add/edit/delete subtask buttons
- TaskForm: accept parentTaskId prop, include in create payload, context-aware
dialog title (New Task vs New Subtask)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
