feat(B-HOOK): Lifecycle Hooks + Outbox Events — 55 neue Hooks, 10 Domain Events

B-HOOK-CORE: Company Hooks (6: before/after create/update/delete)
B-HOOK-MAIL: Mail Hooks (5: after_receive, before/after_delete, before/after_move)
B-HOOK-DMS: DMS Hooks (10: after_upload, before/after_update/delete/restore, folder CRUD)
B-HOOK-CAL: Calendar Hooks (4: before/after update/delete)
B-HOOK-TASK: Task Hooks (6: before/after create/update/delete)
B-HOOK-COMM: Communication Hooks (8: conversation create, message/edit/delete)
B-HOOK-AI: Agent Hooks (2: before/after_run)
B-HOOK-WF: Workflow Hooks (4: before/after_start, after_complete/cancel)
B-HOOK-TAG: Tag Hooks (8: create/assign/unassign/delete)
B-HOOK-SEARCH: Search Filters (2: before/after_search)

B-EVT-OUTBOX: 10 Domain Events (task.completed, file.created/deleted/restored, mail.received, workflow.started/completed/cancelled, agent.run_started/completed)

B-HOOK-TEST: 79 Tests in test_lifecycle_hooks.py — alle grün
B-HOOK-DOC: Plugin-Dev-Guide Kapitel 8 aktualisiert (Hook-Liste + Outbox Event-Liste)

app/plugins/builtins/tasks/services.py

@@ -101,6 +101,8 @@ async def create_task(
     data: dict[str, Any],
 ) -> dict[str, Any]:
     """Create a new task."""
+    from app.core.hooks import do_action
+    await do_action("task.before_create", data, db=db, tenant_id=tenant_id, user_id=user_id)
     task = Task(
         tenant_id=tenant_id,
         title=data["title"],
@@ -116,6 +118,9 @@ async def create_task(
     db.add(task)
     await db.flush()
 
+    from app.core.hooks import do_action
+    await do_action("task.after_create", _task_to_dict(task), db=db, tenant_id=tenant_id, user_id=user_id)
+
     # Publish task.created event
     from app.core.event_bus import get_event_bus
     event_bus = get_event_bus()
@@ -144,6 +149,8 @@ async def update_task(
     if task is None:
         return None
 
+    from app.core.hooks import do_action
+    await do_action("task.before_update", data, db=db, tenant_id=tenant_id, task_id=str(task_id))
     if "title" in data and data["title"] is not None:
         task.title = data["title"]
     if "description" in data:
@@ -161,6 +168,8 @@ async def update_task(
 
     await db.flush()
     await db.refresh(task)
+    from app.core.hooks import do_action
+    await do_action("task.after_update", _task_to_dict(task), db=db, tenant_id=tenant_id, task_id=str(task_id))
     return _task_to_dict(task)
 
 
@@ -172,8 +181,12 @@ async def delete_task(db: AsyncSession, tenant_id: uuid.UUID, task_id: uuid.UUID
     task = result.scalar_one_or_none()
     if task is None:
         return False
+    from app.core.hooks import do_action
+    await do_action("task.before_delete", db=db, tenant_id=tenant_id, task_id=str(task_id))
     task.deleted_at = datetime.now(timezone.utc)
     await db.flush()
+    from app.core.hooks import do_action
+    await do_action("task.after_delete", db=db, tenant_id=tenant_id, task_id=str(task_id))
     return True
 
 
@@ -210,6 +223,9 @@ async def update_task_status(
         return None
     task.status = new_status
     await db.flush()
+    if new_status == "done":
+        from app.core.outbox import enqueue_outbox_event
+        await enqueue_outbox_event(db, tenant_id, "task.completed", {"task_id": str(task.id), "tenant_id": str(tenant_id), "title": task.title, "assigned_to": str(task.assigned_to) if task.assigned_to else None}, aggregate_type="task", aggregate_id=task.id)
     return _task_to_dict(task)