fix: show header realtime PnL from exchange positions and order metrics

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

crypto_monitor_gate/app.py

@@ -7205,6 +7205,9 @@ def api_account_snapshot():
     position_limit_count = count_position_limit_active_monitors(conn)
     opens_today = count_opens_for_trading_day(conn, trading_day)
     risk_status = hub_account_risk_status(conn)
+    active_pnl_rows = conn.execute(
+        "SELECT exchange_symbol, symbol, direction FROM order_monitors WHERE status='active'"
+    ).fetchall()
     conn.close()
     can_trade = can_trade_new_open(
         time_allows=trading_day_reset_allows_new_open(now),
@@ -7217,7 +7220,7 @@ def api_account_snapshot():
     available_trading_usdt = get_available_trading_usdt()
     unrealized_pnl = None
     if exchange_private_api_configured():
-        from lib.instance.instance_live_pnl_lib import fetch_unrealized_pnl
+        from lib.instance.instance_live_pnl_lib import resolve_instance_unrealized_pnl
 
         def _gate_positions():
             ensure_markets_loaded()
@@ -7226,7 +7229,11 @@ def api_account_snapshot():
             except Exception:
                 return exchange.fetch_positions() or []
 
-        unrealized_pnl = fetch_unrealized_pnl(_gate_positions)
+        unrealized_pnl = resolve_instance_unrealized_pnl(
+            _gate_positions,
+            active_pnl_rows,
+            get_live_position_exchange_metrics,
+        )
     return jsonify({
         "funding_usdt": funding_usdt,
         "current_capital": current_capital,