feat: 手续费仅CTP每日后台同步入库，前端只读展示

Co-authored-by: Cursor <cursoragent@cursor.com>

install_trading.py

@@ -20,6 +20,7 @@ from position_sizing import (
 from recommend_store import load_recommend_cache, refresh_recommend_cache
 from recommend_stream import recommend_hub, start_recommend_worker
 from ctp_reconnect import start_ctp_reconnect_worker
+from ctp_fee_worker import start_ctp_fee_worker
 from risk.account_risk_lib import (
     assert_can_open,
     get_risk_status,
@@ -1016,3 +1017,8 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
         init_tables_fn=_init_tables,
     )
     start_ctp_reconnect_worker(get_mode_fn=lambda: get_trading_mode(get_setting))
+    start_ctp_fee_worker(
+        get_mode_fn=lambda: get_trading_mode(get_setting),
+        get_setting_fn=get_setting,
+        set_setting_fn=set_setting,
+    )