清理旧决策卡片、市场总览、跑道面板等已废弃组件

tests/test_refresh_policy.py

@@ -18,14 +18,12 @@ def test_refresh_policy_cadences_are_layered():
 def test_backend_defaults_use_refresh_policy():
     import src.data_collection.weather_sources as weather_sources
     import web.services.city_runtime as city_runtime
-    import web.services.market_overview_api as market_overview_api
     import web.services.scan_ai_config as scan_ai_config
 
     assert scan_ai_config.SCAN_TERMINAL_PAYLOAD_TTL_SEC == SCAN_ROWS_REFRESH_SEC
     assert city_runtime.CITY_FULL_CACHE_TTL_SEC == OBSERVATION_REFRESH_SEC
     assert city_runtime.CITY_PANEL_CACHE_TTL_SEC == SCAN_ROWS_REFRESH_SEC
     assert city_runtime.CITY_MARKET_CACHE_TTL_SEC == SCAN_ROWS_REFRESH_SEC
-    assert market_overview_api.OVERVIEW_CACHE_TTL_SEC == MARKET_OVERVIEW_TTL_SEC
 
     source = weather_sources.WeatherDataCollector({})
     assert source.metar_cache_ttl_sec == METAR_POLL_TTL_SEC