Skip exchange PnL sync on hub iframe soft nav to fix slow records tab.

Remove hover prefetch and mark soft-nav fetches so Gate/OKX render pages from local DB without blocking on exchange history sync.

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

crypto_monitor_gate/app.py

@@ -178,6 +178,7 @@ from order_monitor_display_lib import (
 )
 from wechat_notify_lib import build_wechat_rs_level_message, send_wechat_webhook
 from hub_auth import request_allowed as hub_request_allowed
+from instance_nav_lib import request_is_hub_soft_nav
 from hub_volume_rank_lib import resolve_daily_volume_rank
 from history_window_lib import (
     PRESET_CUSTOM,
@@ -6725,7 +6726,7 @@ def render_main_page(page="trade"):
     for o in raw_order_list:
         order_list.append(enrich_order_item(row_to_dict(o), current_capital))
     exchange_pnl_sync = {}
-    if exchange_private_api_configured():
+    if exchange_private_api_configured() and not request_is_hub_soft_nav():
         try:
             exchange_pnl_sync = sync_trade_records_from_exchange(conn) or {}
         except Exception as e: