修复 marketOverview 移除后的导入错误

frontend/lib/refresh-policy.ts

@@ -2,6 +2,7 @@ export const DASHBOARD_REFRESH_POLICY_SEC = {
   observation: 60,
   metar: 5 * 60,
   scanRows: 5 * 60,
+  marketOverview: 10 * 60,
   model: 30 * 60,
 } as const;
 
@@ -9,5 +10,6 @@ export const DASHBOARD_REFRESH_POLICY_MS = {
   observation: DASHBOARD_REFRESH_POLICY_SEC.observation * 1000,
   metar: DASHBOARD_REFRESH_POLICY_SEC.metar * 1000,
   scanRows: DASHBOARD_REFRESH_POLICY_SEC.scanRows * 1000,
+  marketOverview: DASHBOARD_REFRESH_POLICY_SEC.marketOverview * 1000,
   model: DASHBOARD_REFRESH_POLICY_SEC.model * 1000,
 } as const;

src/utils/refresh_policy.py

@@ -5,4 +5,5 @@ from __future__ import annotations
 OBSERVATION_REFRESH_SEC = 60
 METAR_POLL_TTL_SEC = 5 * 60
 SCAN_ROWS_REFRESH_SEC = 5 * 60
+MARKET_OVERVIEW_TTL_SEC = 10 * 60
 MODEL_CACHE_TTL_SEC = 30 * 60

web/services/market_overview_api.py

@@ -9,9 +9,11 @@ import time
 from datetime import datetime
 from typing import Any, Dict, List, Optional
 
+from src.utils.refresh_policy import MARKET_OVERVIEW_TTL_SEC
+
 _OVERVIEW_CACHE: Dict[str, Dict[str, Any]] = {}
 _OVERVIEW_CACHE_LOCK = threading.Lock()
-OVERVIEW_CACHE_TTL_SEC = 600
+OVERVIEW_CACHE_TTL_SEC = MARKET_OVERVIEW_TTL_SEC
 
 
 def _safe_float(value: Any) -> Optional[float]: