feat(report): add 24h slow-sql dashboard and metrics api

db_pool.py

@@ -302,9 +302,17 @@ class PooledConnection:
             return
         if elapsed_ms < DB_SLOW_QUERY_MS:
             return
-        logger.warning(
-            f"[慢SQL] {elapsed_ms:.1f}ms sql=\"{_compact_sql(sql)}\" params={_describe_params(parameters)}"
-        )
+
+        params_info = _describe_params(parameters)
+
+        try:
+            from services.slow_sql_metrics import record_slow_sql
+
+            record_slow_sql(sql=sql, duration_ms=elapsed_ms, params_info=params_info)
+        except Exception:
+            pass
+
+        logger.warning(f"[慢SQL] {elapsed_ms:.1f}ms sql=\"{_compact_sql(sql)}\" params={params_info}")
 
     def cursor(self):
         """获取游标"""