refactor: extract post-ops helpers from pydantic agent

core/reply_finalize_flow.py

@@ -5,6 +5,7 @@ from datetime import datetime
 from typing import TYPE_CHECKING
 
 from utils.metrics_tracker import emit as metrics_emit
+from core.post_ops import auto_tag, detect_discount, detect_price, record_deal_fail
 
 if TYPE_CHECKING:
     from core.pydantic_ai_agent import AgentResponse, ConversationState, CustomerMessage, CustomerServiceAgent
@@ -36,9 +37,9 @@ async def finalize_ai_reply(
     except Exception:
         pass
 
-    agent._detect_price(reply_text, state)
-    agent._detect_discount(message.msg, state)
-    asyncio.create_task(agent._auto_tag(message, reply_text, state))
+    detect_price(reply_text, state)
+    detect_discount(message.msg, state)
+    asyncio.create_task(auto_tag(message, state))
 
     need_transfer = False
     transfer_msg = ""
@@ -64,7 +65,13 @@ async def finalize_ai_reply(
         if any(kw in customer_text for kw in no_convert_keywords):
             reason = "嫌贵放弃" if any(k in customer_text for k in ["贵", "贵了", "便宜"]) else "放弃"
             asyncio.create_task(
-                agent._record_deal_fail(message.from_id, message.from_name, message.acc_id, message.acc_type, reason)
+                record_deal_fail(
+                    customer_id=message.from_id,
+                    customer_name=message.from_name,
+                    acc_id=message.acc_id,
+                    platform=message.acc_type,
+                    reason=reason,
+                )
             )
 
     should_reply = bool(reply_text and reply_text.strip()) and not need_transfer