feat: compact instance toolbar, stats strip and settings two-column layout

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

crypto_monitor_gate/app.py

@@ -7215,10 +7215,23 @@ def api_account_snapshot():
         extra_blocks=not risk_status.get("can_trade", True),
     )
     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
+
+        def _gate_positions():
+            ensure_markets_loaded()
+            try:
+                return exchange.fetch_positions(None, {"settle": "usdt"}) or []
+            except Exception:
+                return exchange.fetch_positions() or []
+
+        unrealized_pnl = fetch_unrealized_pnl(_gate_positions)
     return jsonify({
         "funding_usdt": funding_usdt,
         "current_capital": current_capital,
         "available_trading_usdt": round(available_trading_usdt, 2) if available_trading_usdt is not None else None,
+        "unrealized_pnl": unrealized_pnl,
         "recommended_capital": recommended_capital,
         "active_count": position_limit_count,
         "max_active_positions": MAX_ACTIVE_POSITIONS,