fix: restore main runtime sources and cache consistency

core/intent_analyzer.py

@@ -316,8 +316,8 @@ class IntentAnalyzer:
 
             if cache_emb is not None:
                 cached = cache.get(cache_emb)
-                # 确保缓存条目是意图分析结果（非 RAG 回答缓存）
-                if cached and cached.get("cache_type") != "rag_answer":
+                # 仅接受明确标记的意图缓存，避免未来新增缓存类型时交叉命中。
+                if cached and cached.get("cache_type") == "intent_analysis":
                     logger.info(f"意图分析缓存命中: {cached.get('reason', '')[:50]}")
                     return IntentAnalysis.from_dict(cached)
                 else: