feat:修复投顾agent功能

nl2sql/cache.py

@@ -49,6 +49,32 @@ def build_cache_key(
     return f"nl2sql:{digest}"
 
 
+def build_question_cache_key(
+    question: str,
+    *,
+    permission: dict[str, Any],
+    data_scope: dict[str, Any] | None = None,
+    page: int = 1,
+    page_size: int = 100,
+    sort_by: str | None = None,
+    sort_order: str = "asc",
+) -> str:
+    """生成自然语言查询结果缓存键，覆盖问题、权限和数据范围。"""
+    payload = {
+        "question": " ".join((question or "").split()),
+        "permission": _permission_payload(permission),
+        "data_scope": data_scope or {},
+        "page": page,
+        "page_size": page_size,
+        "sort_by": sort_by or "",
+        "sort_order": sort_order,
+    }
+    digest = hashlib.sha256(
+        json.dumps(payload, ensure_ascii=False, sort_keys=True, separators=(",", ":")).encode()
+    ).hexdigest()
+    return f"nl2sql:question:{digest}"
+
+
 async def cache_get(redis, key: str) -> dict[str, Any] | None:
     """读取缓存，Redis 异常或内容损坏时返回空结果。"""
     try: