修复附件询价：公网打开上传页不再出骨架 JSON，未上传时打字能正常回话。

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

inquiry-agent/agent/routing/dispatch.py

@@ -262,16 +262,29 @@ def dispatch_inbound(message: InboundMessage, decision: RouteDecision) -> str:
         handle_image_inquiry(message)
         return "image_inquiry"
     if kind in {"text", ""}:
-        from agent.handlers.attachment_inquiry import append_attach_text, is_active_attachment_wait
+        from agent.handlers.attachment_inquiry import (
+            abandon_idle_attach_wait,
+            append_attach_text,
+            is_active_attachment_wait,
+            is_idle_attachment_wait,
+        )
         from agent.handlers.image_inquiry import append_wave_text, is_active_image_wave
 
         if is_active_attachment_wait(message.sender_id) and (message.content or "").strip():
             if decision.intent == "attachment_inquiry":
                 handle_attachment_inquiry(message)
                 return "attachment_inquiry"
-            append_attach_text(message.sender_id, message.content or "")
-            logger.info("dispatch 附件波次收字 sender=%s", message.sender_id)
-            return "attach_wave_follow_text"
+            if is_idle_attachment_wait(message.sender_id):
+                abandon_idle_attach_wait(message.sender_id)
+                logger.info(
+                    "dispatch 附件未传材料，改走文字 sender=%s intent=%s",
+                    message.sender_id,
+                    decision.intent,
+                )
+            else:
+                append_attach_text(message.sender_id, message.content or "")
+                logger.info("dispatch 附件波次收字 sender=%s", message.sender_id)
+                return "attach_wave_follow_text"
         if is_active_image_wave(message.sender_id) and (message.content or "").strip():
             append_wave_text(message.sender_id, message.content or "")
             logger.info("dispatch 图片波次收字 sender=%s", message.sender_id)