Feature/okx trading (#1177)

* feat: add OKX exchange trading support
- Add OKX trader client with full trading API integration
- Support API Key, Secret Key, and Passphrase authentication
- Add OKX icon and frontend configuration modal
- Update exchange store and types for OKX fields
* fix: add passphrase column migration and fix exchange type mapping
* fix: show OKX input fields in exchange config modal
* fix: ensure all supported exchanges exist for user when listing
* fix: simplify exchange type check condition for OKX
* debug: add visible debug info for exchange id
* fix: remove debug info from exchange config modal
* fix: add OKX to exchange type condition in AITradersPage
* feat: complete OKX trading support and fix exchange config issues
- Add LIGHTER exchange UI support in AITradersPage
- Add passphrase field to UpdateExchangeConfigRequest type
- Fix OKX HTTP client to bypass proxy (disable system proxy)
- Auto-fetch initial balance from exchange when not set
- Support multiple balance field names for different exchanges
- Add detailed error messages when trader fails to load
- Add lighter_api_key_private_key field to exchange store

web/src/hooks/useTraderActions.ts

@@ -445,6 +445,7 @@ export function useTraderActions({
         ...e,
         apiKey: '',
         secretKey: '',
+        passphrase: '', // OKX专用
         hyperliquidWalletAddr: '',
         asterUser: '',
         asterSigner: '',
@@ -459,6 +460,7 @@ export function useTraderActions({
               enabled: exchange.enabled,
               api_key: exchange.apiKey || '',
               secret_key: exchange.secretKey || '',
+              passphrase: exchange.passphrase || '', // OKX专用
               testnet: exchange.testnet || false,
               hyperliquid_wallet_addr: exchange.hyperliquidWalletAddr || '',
               aster_user: exchange.asterUser || '',
@@ -486,6 +488,7 @@ export function useTraderActions({
     exchangeId: string,
     apiKey: string,
     secretKey?: string,
+    passphrase?: string, // OKX专用
     testnet?: boolean,
     hyperliquidWalletAddr?: string,
     asterUser?: string,
@@ -518,6 +521,7 @@ export function useTraderActions({
                   ...e,
                   apiKey,
                   secretKey,
+                  passphrase, // OKX专用
                   testnet,
                   hyperliquidWalletAddr,
                   asterUser,
@@ -536,6 +540,7 @@ export function useTraderActions({
           ...exchangeToUpdate,
           apiKey,
           secretKey,
+          passphrase, // OKX专用
           testnet,
           hyperliquidWalletAddr,
           asterUser,
@@ -557,6 +562,7 @@ export function useTraderActions({
               enabled: exchange.enabled,
               api_key: exchange.apiKey || '',
               secret_key: exchange.secretKey || '',
+              passphrase: exchange.passphrase || '', // OKX专用
               testnet: exchange.testnet || false,
               hyperliquid_wallet_addr: exchange.hyperliquidWalletAddr || '',
               aster_user: exchange.asterUser || '',