fix: 已出号后新一轮询价不带上一单字段

点名海运时丢掉旧陆运补问草稿，避免补字段误发填写样例图。

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

inquiry-agent/agent/policy/sea_text_flow.py

@@ -99,6 +99,8 @@ class SeaTextInquiryFlow(AirTextInquiryFlow):
             adjusted = try_private_adjust(self, sess, text, reply)
             if adjusted:
                 return adjusted
+        # 上一单已出号：新一轮从本句重收，禁止把旧贸易条款/分类带进下一张工单。
+        sess = self._detach_ticketed_for_new_inquiry(sess)
 
         snap = extract_inquiry_snapshot(
             text,
@@ -139,6 +141,8 @@ class SeaTextInquiryFlow(AirTextInquiryFlow):
             if mode == "LAND":
                 from agent.policy.land_text_flow import get_land_text_flow
 
+                # 本句已是陆运：丢掉海运补问草稿，避免下一句又被海运吃掉。
+                self.drop_current_bookmark(sender_id)
                 return get_land_text_flow().on_text(
                     sender_id=sender_id,
                     text=text,
@@ -153,6 +157,7 @@ class SeaTextInquiryFlow(AirTextInquiryFlow):
             # 空运交给空运 Owner，避免海运流程半做空运
             from agent.policy.air_text_flow import get_air_text_flow
 
+            self.drop_current_bookmark(sender_id)
             return get_air_text_flow().on_text(
                 sender_id=sender_id,
                 text=text,
@@ -165,9 +170,11 @@ class SeaTextInquiryFlow(AirTextInquiryFlow):
                 inbound_raw=inbound_raw,
             )
 
-        from agent.schema.sea_options import harvest_sea_class
+        from agent.schema.sea_options import drop_invented_door_trade_terms, harvest_sea_class
 
         facts = harvest_sea_class(text, facts)
+        # 旧陆运/补问草稿可能把「门到门」塞进贸易条款；原话没写条款则丢掉。
+        facts = drop_invented_door_trade_terms(text, facts)
         check = validate_required_fields(facts=facts, business_line="SEA")
         facts = dict(check["facts"])
         tms_ready = assemble_sea_query(facts)