feat:修复投顾agent功能

nl2sql/query_rewriter.py

@@ -16,6 +16,11 @@ _SYSTEM_PROMPT = """你是基金平台 NL2SQL 的问题改写器。
 不能扩大权限范围，不能臆造查询结果；上下文不足时保留原问题。
 """
 
+_REFERENCE_TERMS = (
+    "他", "她", "它", "他们", "她们", "它们", "这个客户", "该客户", "那个客户",
+    "这个基金", "该基金", "那只基金", "这只基金", "这个结果", "上一轮", "刚才", "前面",
+)
+
 
 def _rewrite_explicit_customer_identity(question: str) -> str | None:
     normalized = re.sub(r"\s+", "", question)
@@ -68,7 +73,7 @@ async def rewrite_query(
     contextual_identity = _rewrite_customer_name_follow_up(original, context)
     if contextual_identity:
         return contextual_identity
-    if not context or llm_client is None:
+    if not context or llm_client is None or not any(term in original for term in _REFERENCE_TERMS):
         return original
 
     prompt = (