落地多段联运私聊：齐了才建单拉群，附件只收格子值，核对改正不再整单重开。

Co-authored-by: Cursor <cursoragent@cursor.com>

inquiry-agent/agent/handlers/air_group_collab.py

@@ -116,6 +116,19 @@ def handle_air_group(
     mark_air_text(chat_id=chat_id, sender_id=message.sender_id, text=text)
     wo = copy.extract_work_order_no(text)
     if wo:
+        from agent.policy.multi_group_ops import handle_multi_inbound, ticket_is_multi
+
+        getter = getattr(engine.ledger, "get_ticket", None)
+        raw_ticket = getter(work_order_no=wo) if callable(getter) else None
+        if raw_ticket is not None and ticket_is_multi(raw_ticket):
+            return handle_multi_inbound(
+                flow=engine,
+                ticket=raw_ticket,
+                chat_id=chat_id,
+                sender_id=message.sender_id,
+                text=text,
+                injected_quote=injected_quote,
+            )
         from agent.policy.handoff_human import try_commit_air_group_handoff
 
         handed = try_commit_air_group_handoff(engine, chat_id=chat_id, work_order_no=wo)