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/kommunikation/services.py

@@ -264,8 +264,11 @@ async def create_conversation(
         created_by_type="user",
         metadata_={},
     )
+    from app.core.hooks import do_action
+    await do_action("comm.conversation.before_create", tenant_id=tenant_id, user_id=user_id)
     db.add(conv)
     await db.flush()
+    await do_action("comm.conversation.after_create", conversation_id=conv.id, tenant_id=tenant_id, user_id=user_id)
 
     # Add creator as admin
     creator = CommParticipant(
@@ -669,8 +672,11 @@ async def send_message(
         except ValueError:
             pass
 
+    from app.core.hooks import do_action
+    await do_action("comm.before_message", conversation_id=conversation_id, tenant_id=tenant_id, sender_id=sender_id)
     db.add(msg)
     await db.flush()
+    await do_action("comm.after_message", message_id=msg.id, conversation_id=conversation_id, tenant_id=tenant_id, sender_id=sender_id)
 
     # Create blocks
     if blocks:
@@ -872,10 +878,14 @@ async def edit_message(
     )
     db.add(edit)
 
+    from app.core.hooks import do_action
+    await do_action("comm.before_edit", message_id=message_id, tenant_id=tenant_id, user_id=user_id)
+
     # Update message
     msg.content = new_content
     msg.edited_at = datetime.now(timezone.utc)
     await db.flush()
+    await do_action("comm.after_edit", message_id=message_id, tenant_id=tenant_id, user_id=user_id)
 
     return message_to_response(msg)
 
@@ -891,8 +901,11 @@ async def delete_message(
     msg = result.scalar_one_or_none()
     if msg is None:
         return False
+    from app.core.hooks import do_action
+    await do_action("comm.before_delete", message_id=message_id)
     msg.deleted_at = datetime.now(timezone.utc)
     await db.flush()
+    await do_action("comm.after_delete", message_id=message_id)
     return True