feat: ai-first intent detection with keyword fallback

core/context_helpers.py

@@ -210,15 +210,16 @@ def get_conversation_context(customer_id: str, acc_id: str = "", limit: int = 12
 def get_intent_emotion_hint(msg: str) -> str:
     """语义匹配：意图/情绪识别，注入提示。EMBEDDING_MODEL 未配置时用关键词。"""
     try:
-        from utils.intent_analyzer import detect_emotion_embedding, detect_intent_embedding, detect_intent_keywords
+        from utils.intent_analyzer import detect_emotion_embedding, detect_intent
 
-        intent = detect_intent_embedding(msg)
-        if not intent:
-            intent = detect_intent_keywords(msg)
+        decision = detect_intent(msg)
+        intent = decision.intent
         emotion = detect_emotion_embedding(msg) if os.getenv("EMBEDDING_MODEL") else None
         parts = []
         if intent:
             parts.append(f"意图:{intent}")
+            if decision.source:
+                parts.append(f"意图来源:{decision.source}")
         if emotion:
             parts.append(f"情绪:{emotion}")
         if parts: