feat:修复投顾agent功能

nl2sql/query_rewriter.py

@@ -21,6 +21,24 @@ _REFERENCE_TERMS = (
     "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",
 )
 
+_CUSTOMER_RISK_LABELS = {
+    "保守型": "C1",
+    "稳健型": "C2",
+    "平衡型": "C3",
+    "进取型": "C4",
+    "激进型": "C5",
+}
+
+
+def _normalize_customer_risk_label(question: str) -> str:
+    """将展示层客户风险标签规范化为数据库 C1-C5 编码。"""
+    normalized = re.sub(r"\s+", "", question)
+    if "客户" not in normalized and "风险" not in normalized:
+        return normalized
+    for label, code in _CUSTOMER_RISK_LABELS.items():
+        normalized = normalized.replace(label, code)
+    return normalized
+
 
 def _rewrite_explicit_customer_identity(question: str) -> str | None:
     normalized = re.sub(r"\s+", "", question)
@@ -63,7 +81,7 @@ async def rewrite_query(
     llm_client=llm,
 ) -> str:
     """使用有限会话上下文补全问题；改写失败时安全返回原问题。"""
-    original = (question or "").strip()
+    original = _normalize_customer_risk_label((question or "").strip())
     context = (conversation_context or "").strip()
     if not original:
         return original

nl2sql/semantic_catalog.json

@@ -18,12 +18,12 @@
       "value_hint": "fin_product.product_type 实际枚举值为：货币型/债券型/混合型/股票型/指数型/QDII；股票型基金必须用 product_type = '股票型'，不要使用 Schema 注释里的'股票基金'"
     },
     {
-      "term": "客户",
+      "term": "客户风险等级",
       "enabled": true,
-      "aliases": ["客户", "投资人", "持有人"],
+      "aliases": ["客户", "投资人", "持有人", "风险评级", "风险等级", "风险类型", "激进型", "进取型", "平衡型", "稳健型", "保守型", "C1", "C2", "C3", "C4", "C5"],
       "tables": ["fin_customer_profile", "fin_holdings", "fin_risk_assessment"],
       "fields": ["customer_id", "risk_level", "customer_level"],
-      "value_hint": "fin_customer_profile.risk_level / fin_risk_assessment.risk_level 实际枚举值为 R1-R5（R1 最保守，R5 最激进，与产品风险等级同一口径）；查'保守型/稳健型客户'对应 R1/R2，'激进型客户'对应 R5"
+      "value_hint": "客户风险字段实际枚举值为 C1-C5（C1 最保守，C5 最激进）；展示层映射为保守型=C1、稳健型=C2、平衡型=C3、进取型=C4、激进型=C5。产品风险等级才使用 R1-R5"
     },
     {
       "term": "持仓",