落地系统异常：大模型/TMS/建群故障停住本单并告警，后台可重试失败步骤。

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

inquiry-agent/tests/test_land_dispatch.py

@@ -183,27 +183,31 @@ class LandDispatchTests(unittest.TestCase):
         last = list(store._outbox.values())[-1].content
         self.assertNotIn("你好，我是询价机器人", last)
 
-    def test_tms_retry_misrouted_as_other(self) -> None:
+    def test_tms_tech_fail_pauses_until_admin_retry(self) -> None:
+        from agent.policy.inquiry_copy import SYS_EXC_TMS_FALLBACK
         from tests.test_land_text_inquiry import CountingLedger
 
-        class Flaky(CountingLedger):
+        class AlwaysFail(CountingLedger):
             def __init__(self) -> None:
                 super().__init__()
                 self.query_calls = 0
 
             def query_tms(self, **kwargs):
                 self.query_calls += 1
-                if self.query_calls == 1:
-                    return {
-                        "ok": False,
-                        "classification": "TMS_TECH_FAILURE",
-                        "has_price": False,
-                        "quote": {},
-                    }
-                return super().query_tms(**kwargs)
+                return {
+                    "ok": False,
+                    "classification": "TMS_TECH_FAILURE",
+                    "has_price": False,
+                    "quote": {},
+                }
 
         land = reset_land_text_flow_for_test()
-        land.ledger = Flaky()
+        ledger = AlwaysFail()
+        land.ledger = ledger
+        get_sea_text_flow().ledger = ledger
+        from agent.policy.air_text_flow import get_air_text_flow
+
+        get_air_text_flow().ledger = ledger
         facts = {
             "起运港": "广州",
             "目的港": "深圳",
@@ -231,18 +235,27 @@ class LandDispatchTests(unittest.TestCase):
             InboundMessage(sender_id="ld5", message_id="m-l5c", content="确定"),
             store=self.store,
         )
-        self.assertEqual(get_land_text_flow().session_of("ld5").phase, "tms_tech")
-        wo = get_land_text_flow().session_of("ld5").work_order_no
+        self.assertGreaterEqual(ledger.query_calls, 3)
+        wo = ledger.last_created_no
+        ticket = ledger.get_ticket(work_order_no=wo)
+        self.assertEqual(ticket.system_exception, "TMS异常")
+        bodies = "\n".join(i.content for i in self.store._outbox.values())
+        self.assertIn(SYS_EXC_TMS_FALLBACK, bodies)
+        self.assertIsNone(get_land_text_flow().session_of("ld5"))
         name = dispatch_inbound(
             InboundMessage(sender_id="ld5", message_id="m-l5d", content="确定"),
             RouteDecision(intent="ordinary_text_other"),
         )
-        self.assertEqual(name, "ordinary_text_inquiry")
+        self.assertEqual(name, "ordinary_text_other")
         sess = get_land_text_flow().session_of("ld5")
-        self.assertEqual(sess.phase, "wait_collab")
-        self.assertEqual(sess.work_order_no, wo)
+        if sess is not None:
+            self.assertNotEqual(sess.phase, "wait_collab")
+        handle_text_inquiry(
+            InboundMessage(sender_id="ld5", message_id="m-l5e", content=f"看看 {wo}"),
+            store=self.store,
+        )
         last = list(self.store._outbox.values())[-1].content
-        self.assertNotIn("你好，我是询价机器人", last)
+        self.assertIn(SYS_EXC_TMS_FALLBACK, last)
 
     def test_sea_still_creates_immediately(self) -> None:
         msg = InboundMessage(sender_id="s-sea", message_id="m-sea-keep", content="海运询价")