Prevent env autofill from overwriting OKX API keys when saving hedge settings.

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

crypto_monitor_okx/app.py

@@ -2735,9 +2735,12 @@ def resolve_order_entry_price(order_resp, exchange_symbol, fallback_price):
 
 
 def get_contract_size(exchange_symbol):
-    ensure_markets_loaded()
-    market = exchange.market(exchange_symbol)
-    return float(market.get("contractSize") or 1)
+    try:
+        ensure_markets_loaded()
+        market = exchange.market(exchange_symbol)
+        return float(market.get("contractSize") or 1)
+    except Exception:
+        return 1.0
 
 
 def parse_positive_float(value):
@@ -6945,11 +6948,14 @@ def api_account_snapshot():
             except Exception:
                 return exchange.fetch_positions() or []
 
-        unrealized_pnl = resolve_instance_unrealized_pnl(
-            _okx_positions,
-            active_pnl_rows,
-            get_live_position_exchange_metrics,
-        )
+        try:
+            unrealized_pnl = resolve_instance_unrealized_pnl(
+                _okx_positions,
+                active_pnl_rows,
+                get_live_position_exchange_metrics,
+            )
+        except Exception:
+            unrealized_pnl = None
     options_unrealized_pnl = None
     if OKX_OPTIONS_ENABLED and exchange_options.apiKey:
         try: