Resolve merge conflicts in AITradersPage.tsx

- Fixed import statement conflict (using 'type Language')
- Merged exchange configuration logic preserving support for multiple exchange types
- Kept comprehensive form handling for Binance, Hyperliquid, Aster, and OKX exchanges
- Updated security warning messages to use proper translation keys

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

web/src/types.ts

@@ -101,6 +101,7 @@ export interface AIModel {
   enabled: boolean;
   apiKey?: string;
   customApiUrl?: string;
+  customModelName?: string;
 }
 
 export interface Exchange {
@@ -140,6 +141,7 @@ export interface UpdateModelConfigRequest {
       enabled: boolean;
       api_key: string;
       custom_api_url?: string;
+      custom_model_name?: string;
     };
   };
 }