Fix trade log equity_after to chain from initial capital by close time.

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

ctp_trade_sync.py

@@ -16,7 +16,12 @@ from contract_specs import calc_position_metrics
 from ctp_symbol import ths_to_vnpy_symbol
 from fee_specs import calc_round_trip_fee
 from symbols import ths_to_codes
-from trade_log_lib import calc_equity_after, purge_duplicate_local_trade_logs, ensure_trade_log_columns
+from trade_log_lib import (
+    calc_equity_after,
+    purge_duplicate_local_trade_logs,
+    ensure_trade_log_columns,
+    refresh_trade_log_equity_chain,
+)
 from vnpy_bridge import ctp_list_trades, ctp_status
 
 logger = logging.getLogger(__name__)
@@ -325,4 +330,8 @@ def sync_trade_logs_from_ctp(
     purged = purge_duplicate_local_trade_logs(conn)
     if purged:
         stats["purged"] = purged
+    try:
+        refresh_trade_log_equity_chain(conn)
+    except Exception as exc:
+        logger.debug("equity chain refresh after ctp sync: %s", exc)
     return stats