员工岗位可重新启用；调价认空运航线；会话存档跳号补拉；陆运报价按车型列回填

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

inquiry-agent/tests/test_land_collab_fields.py

@@ -41,10 +41,12 @@ class LandCollabFieldsTest(unittest.TestCase):
         self.assertIn("HS编码", keys)
         self.assertNotIn("车型/数量", keys)
 
-    def test_hk_ftl_has_vehicle(self):
+    def test_hk_ftl_vehicle_is_inquiry_not_collab(self):
+        """中港整车车型/数量已改到询价必填，协同不再要。"""
         keys = land_collab_fields("中港整车", "中港/中亚/中欧")
-        self.assertIn("车型/数量", keys)
+        self.assertNotIn("车型/数量", keys)
         self.assertEqual(keys[0], "客户名称")
+        self.assertIn("HS编码", keys)
 
     def test_unlisted_pair_empty(self):
         self.assertEqual(land_collab_fields("国内运输拼车", "东南亚"), ())