feat: wecomm notification support command

printing/handlers.py

@@ -203,11 +203,21 @@ def on_printing_job_state_advanced(sender, **kwargs):
             "- **AdvancedAt**: `{advanced_at}`\n"
         ),
     )
+    sender_label = None
+    completed_by = kwargs.get('completed_by')
+    if completed_by:
+        emp = getattr(completed_by, 'employee', None)
+        sender_label = getattr(emp, 'name', None) if emp is not None else None
+        sender_label = sender_label or getattr(completed_by, 'username', None) or '系统自动发送'
+    else:
+        sender_label = '系统自动发送'
+
     message = template.format(
         printing_order_id=str(printing_order_id) if printing_order_id is not None else '-',
         printing_job_id=str(printing_job_id) if printing_job_id is not None else '-',
         state_name=str(state_name),
         advanced_at=str(advanced_at),
+        sender=str(sender_label),
     )
 
     def _send_wecom():