feat(binding): verify 4G relations before Banban unbind

talkingq-url/handlers/mqtt_handler.py

@@ -399,8 +399,24 @@ class TalkingQMQTTService:
         params = payload
         status = params.get("status")
         logger.info(device_id, "", f"[NFC绑定] 设备 {device_id} 请求绑定卡片返回状态: {status}")
-        data = params.get("data", {})
+        if status != "success":
+            return
+        data = params.get("data")
+        if not isinstance(data, dict) or not isinstance(data.get("uuid"), str) or not data["uuid"].strip():
+            logger.warning(device_id, "", "[NFC bind] invalid card response")
+            return
         nfc_uuid = data.get("uuid")
+        from banban.service.traffic_handoff import normalize_iccid
+        logger.info(device_id, "", f"[NFC bind] 006 ICCID present={'iccid' in data}, valid={normalize_iccid(data.get('iccid')) is not None}")
+        if data.get("iccid") is not None:
+            from banban.service.joint_binding import joint_binding_service
+            try:
+                await asyncio.wait_for(joint_binding_service.record_iccid(device_id, data["iccid"]), timeout=2)
+                logger.info(device_id, "", "[NFC bind] 006 ICCID persisted")
+            except Exception:
+                # A SIM persistence failure must not lose the NFC receipt. The
+                # combined operation remains pending until ICCID is available.
+                logger.warning(device_id, "", "[NFC bind] ICCID persistence failed; traffic binding pending")
         # 卡片与设备绑定
         # await card_service.activate_card(device_id=device_id, card_uuid=nfc_uuid)
         result = await binding_service.finalize_nfc_bind(device_id=device_id, card_uuid=nfc_uuid)