清理市场概览残留与 refresh_policy 中的 marketOverview 条目

tests/test_refresh_policy.py

@@ -1,5 +1,4 @@
 from src.utils.refresh_policy import (
-    MARKET_OVERVIEW_TTL_SEC,
     METAR_POLL_TTL_SEC,
     MODEL_CACHE_TTL_SEC,
     OBSERVATION_REFRESH_SEC,
@@ -11,23 +10,20 @@ def test_refresh_policy_cadences_are_layered():
     assert OBSERVATION_REFRESH_SEC == 60
     assert METAR_POLL_TTL_SEC == 300
     assert SCAN_ROWS_REFRESH_SEC == 300
-    assert MARKET_OVERVIEW_TTL_SEC == 600
     assert MODEL_CACHE_TTL_SEC == 1800
 
 
 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()
+    source = weather_sources.WeatherDataCollector({})
     assert source.metar_cache_ttl_sec == METAR_POLL_TTL_SEC
     assert source.hko_obs_cache_ttl_sec == OBSERVATION_REFRESH_SEC
     assert source.settlement_cache_ttl_sec == OBSERVATION_REFRESH_SEC