feat: push pending questions as first NDJSON line before LLM processes message

wwwroot/api/cockpit_chat.dspy

@@ -521,6 +521,10 @@ if action == 'send_message':
                 await sor.C('pipeline_conversations',{'id':getID(),'role':'user','content':message_text,'msg_type':'text','org_id':org_id,'created_by':uid,'iteration_id':ctx['pid'] or ''})
 
             agent_reply = ''
+            # Push active notifications before LLM processing
+            if pending_qs:
+                d = json.dumps(_w_text(f"📬 待回答问题({len(pending_qs)}个):\n" + '\n'.join(pending_qs)), ensure_ascii=False)+'\n'
+                yield d
             for turn in range(10):
                 raw = await _call_llm(model, msgs, 0.4)
                 act = _parse(raw)