让成交卡等报价文件真正发出后再出现，并收紧 PDF 顶部留白，避免抬头被裁或空一截。

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

inquiry-agent/agent/channel/queue.py

@@ -163,6 +163,14 @@ class MemoryMessageStore:
             logger.info("outbox 入队 id=%s touser=%s", item.id, touser)
             return True, item.id
 
+    def has_outbound_dedupe(self, prefix: str) -> bool:
+        """去重键是否已出过站（前缀匹配）。给 wait_file 判断文件/成交卡是否已发。"""
+        head = (prefix or "").strip()
+        if not head:
+            return False
+        with self._lock:
+            return any(str(k).startswith(head) for k in self._seen_out)
+
     def claim_outbound(self) -> Optional[OutboxItem]:
         """认领一条 pending/超时 outbox。"""
         now = time.time()
@@ -207,6 +215,37 @@ class MemoryMessageStore:
     def wait_outbox(self, timeout: float = 1.0) -> None:
         self._outbox_event.wait(timeout=timeout)
 
+    def wait_outbound_done(self, item_id: str, timeout_sec: float = 12.0) -> bool:
+        """
+        等到指定出站已发送完成或失败。
+
+        查价前必须先等询价确认发出，避免暂无报价卡抢先到销售手机。
+        只等这一条，不锁其它工单。超时返回 False。
+        """
+        raw = (item_id or "").strip()
+        if not raw:
+            return False
+        started = time.time()
+        deadline = started + max(0.1, float(timeout_sec))
+        saw_claim = False
+        while time.time() < deadline:
+            state = ""
+            with self._lock:
+                item = self._outbox.get(raw)
+                if item:
+                    state = item.state
+            if state in {TaskState.DONE, TaskState.FAILED}:
+                return state == TaskState.DONE
+            if state == TaskState.CLAIMED:
+                saw_claim = True
+            # 单测没有出站线程：一直 PENDING 就不要空等 12 秒。测服有出站线程会立刻认领。
+            if not saw_claim and state == TaskState.PENDING and time.time() - started >= 0.4:
+                return True
+            if not state and time.time() - started >= 0.3:
+                return True
+            self._outbox_event.wait(0.05)
+        return False
+
     def stats(self) -> dict[str, Any]:
         with self._lock:
             return {