refactor: remove hardcoded routing rules and centralize AI master rules

qingjian_cs/app/state_machine.py

@@ -38,7 +38,6 @@ def migrate_state_schema(state: dict[str, Any] | None) -> dict[str, Any]:
 def evolve_after_sales_state(prev_state: dict[str, Any], *, route: str, action: str, intent: str, order_status: str, msg: str) -> dict[str, Any]:
     s = migrate_state_schema(prev_state)
     stage = s.get("after_sales_stage", "new")
-    text = (msg or "").lower()
 
     if action == "transfer" or route == "risk":
         stage = "transferred"
@@ -46,22 +45,14 @@ def evolve_after_sales_state(prev_state: dict[str, Any], *, route: str, action:
         stage = "quoted"
         s["quote_count"] = int(s.get("quote_count", 0)) + 1
     elif route == "after_sales":
-        if any(k in text for k in ["退款", "退钱", "退货"]):
-            stage = "refunding"
-        elif any(k in text for k in ["做完", "完成", "好了", "发我"]):
-            stage = "waiting_feedback"
-        elif any(k in text for k in ["补图", "重发", "再发", "原图"]):
-            stage = "waiting_material"
-        elif order_status == "paid":
+        if order_status == "paid":
             stage = "processing"
+        elif stage == "new":
+            stage = "waiting_material"
     elif route == "pre_sales":
         if intent == "image":
             stage = "waiting_material"
 
-    # 终态收敛
-    if stage == "waiting_feedback" and any(k in text for k in ["没问题", "可以", "确认", "好评"]):
-        stage = "done"
-
     s["after_sales_stage"] = stage
     s["last_intent"] = intent
     s["last_order_status"] = order_status or "unknown"