落地陆运群内协同：按填写样例拉群并只列本单协同项，进群把私聊已抽到的字段带上。

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

inquiry-agent/tests/test_air_group_collab.py

@@ -226,6 +226,37 @@ class AirGroupCollabTests(unittest.TestCase):
         self.assertEqual(phase, "activated")
         self.assertEqual(self.ledger.find_by_collab_chat(chat_id="wr_air_1").work_order_no, wo2)
 
+    def test_activate_prefills_magnet(self) -> None:
+        created = self.ledger.create_ticket(
+            sender_id="sales1",
+            business_line="AIR",
+            facts={
+                "起运地": "上海",
+                "目的地": "洛杉矶",
+                "品名": "配件",
+                "件数": "3",
+                "毛重": "100",
+                "体积": "2",
+                "包装类型": "纸箱",
+                "报价日期": "2026-09-16",
+                "是否含磁": "是",
+            },
+        )
+        wo = created["work_order_no"]
+        self.ledger.upsert_quote(
+            work_order_no=wo,
+            quote={"total": "USD 800", "source": "TMS", "quoteId": "QT-AIR-1"},
+            to_status="已报价",
+        )
+        handle_air_group(
+            self._msg(sender="sales1", text=wo, chat="wr_air_1", mid="pre1"),
+            flow=self.flow,
+            ledger=self.ledger,
+        )
+        joined = "\n".join(self._texts())
+        self.assertIn("是否含磁：是", joined)
+        self.assertIn("是否含电：-", joined)
+
     def test_second_group_occupied(self) -> None:
         wo = self._create_air()
         handle_air_group(