补齐成交跟进：按线路推成交通知、收下未成交原因、协商中按工作日再问。

成交走询价消息服务；陆运/海运私聊下一句能记下原因；协商中回执写明顺延三个工作日和下次 9：00。

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

inquiry-agent/agent/ledger/http_ledger.py

@@ -193,15 +193,46 @@ class HttpLedger:
         out.setdefault("needsPdf", str(format).lower() == "pdf")
         return out
 
-    def transition(self, *, work_order_no: str, to_status: str) -> dict[str, Any]:
-        out = self._post(
-            "/inquiry/agent/ticket/transition",
-            {"workOrderNo": work_order_no, "toStatus": to_status},
-        )
+    def transition(
+        self,
+        *,
+        work_order_no: str,
+        to_status: str,
+        remark: str = "",
+        lost_reason: str = "",
+        next_followup_at: str = "",
+        deal_notify_summary: str = "",
+    ) -> dict[str, Any]:
+        body: dict[str, Any] = {"workOrderNo": work_order_no, "toStatus": to_status}
+        if remark:
+            body["remark"] = remark
+        if lost_reason:
+            body["lostReason"] = lost_reason
+        if next_followup_at:
+            body["nextFollowupAt"] = next_followup_at
+        if deal_notify_summary:
+            body["dealNotifySummary"] = deal_notify_summary
+        out = self._post("/inquiry/agent/ticket/transition", body)
         if not out.get("ok") and out.get("status"):
             out["ok"] = True
         return out if out.get("ok") else {"ok": False, "error": out.get("error") or "transition_failed"}
 
+    def patch_lost_reason(self, *, work_order_no: str, lost_reason: str) -> dict[str, Any]:
+        """未成交后记下原因。不改六态。"""
+        out = self._post(
+            "/inquiry/agent/ticket/patchLostReason",
+            {"workOrderNo": work_order_no, "lostReason": lost_reason},
+        )
+        return out if out.get("ok") else {"ok": False, "error": out.get("error") or "patch_lost_reason_failed"}
+
+    def claim_due_negotiate(self) -> list[dict[str, Any]]:
+        """认领到期协商再问，主账会清空再问时刻防重发。"""
+        out = self._post("/inquiry/agent/ticket/claimDueNegotiate", {})
+        rows = out.get("tickets") or out.get("result") or []
+        if isinstance(rows, list):
+            return [dict(x) for x in rows if isinstance(x, dict)]
+        return []
+
     def match_sea_staff(self, *, origin: str, destination: str) -> list[dict[str, Any]]:
         """主账按线路返回启用的海运产品岗。"""
         out = self._post(