fix: Increase maxStringLength for large handshake messages

**Motivations :**
- Fix WebSocket message validation for large handshake messages
- Allow processing of long peer lists in handshake content

**Modifications :**
- Increased maxStringLength from 10000 to 100000 characters
- Added detailed error logging for validation failures

**Pages affectées :**
- src/services/message-validator.ts - Increased string length limit
- src/websockets.ts - Enhanced error logging

src/services/message-validator.ts

@@ -17,7 +17,7 @@ export interface WebSocketMessage {
 export class MessageValidator {
   private static instance: MessageValidator;
   private maxMessageSize = 1024 * 1024; // 1MB
-  private maxStringLength = 10000;
+  private maxStringLength = 100000; // Increased for large handshake messages
   private allowedFlags = ['Handshake', 'NewTx', 'Cipher', 'Commit'];
 
   private constructor() {}

src/websockets.ts

@@ -37,6 +37,7 @@ export async function initWebsocket(url: string) {
                 errors: validation.errors,
                 messagePreview: msgData.substring(0, 100)
               });
+              console.log('🔍 DEBUG: Full validation errors:', validation.errors);
               secureLogger.warn('Invalid WebSocket message received', {
                 component: 'WebSocket',
                 operation: 'message_validation',