feat: implement hybrid database architecture and frontend encryption

- Add PostgreSQL + SQLite hybrid database support with automatic switching
- Implement frontend AES-GCM + RSA-OAEP encryption for sensitive data
- Add comprehensive DatabaseInterface with all required methods
- Fix compilation issues with interface consistency
- Update all database method signatures to use DatabaseInterface
- Add missing UpdateTraderInitialBalance method to PostgreSQL implementation
- Integrate RSA public key distribution via /api/config endpoint
- Add frontend crypto service with proper error handling
- Support graceful degradation between encrypted and plaintext transmission
- Add directory creation for RSA keys and PEM parsing fixes
- Test both SQLite and PostgreSQL modes successfully
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: tinkle-community <tinklefund@gmail.com>

web/src/components/ModelIcons.tsx

@@ -1,26 +1,25 @@
-
 interface IconProps {
-  width?: number;
-  height?: number;
-  className?: string;
+  width?: number
+  height?: number
+  className?: string
 }
 
 // 获取AI模型图标的函数
 export const getModelIcon = (modelType: string, props: IconProps = {}) => {
   // 支持完整ID或类型名
-  const type = modelType.includes('_') ? modelType.split('_').pop() : modelType;
-  
-  let iconPath: string | null = null;
-  
+  const type = modelType.includes('_') ? modelType.split('_').pop() : modelType
+
+  let iconPath: string | null = null
+
   switch (type) {
     case 'deepseek':
-      iconPath = '/icons/deepseek.svg';
-      break;
+      iconPath = '/icons/deepseek.svg'
+      break
     case 'qwen':
-      iconPath = '/icons/qwen.svg';
-      break;
+      iconPath = '/icons/qwen.svg'
+      break
     default:
-      return null;
+      return null
   }
 
   return (
@@ -32,5 +31,5 @@ export const getModelIcon = (modelType: string, props: IconProps = {}) => {
       className={props.className}
       style={{ borderRadius: '50%' }}
     />
-  );
-};
+  )
+}