refactor: remove unused deepseekChat.ts in favor

of reasoningChatModel.ts and messageProcessor.ts in favor of
alternaitngMessageValidator.ts

- Removed src/lib/deepseekChat.ts as it was duplicative
- All functionality is now handled by reasoningChatModel.ts
- No imports or references to deepseekChat.ts found in codebase

- Removed src/utils/messageProcessor.ts as it was duplicative
- All functionality is now handled by alternatingMessaageValidator.ts
- No imports or references messageProcessor.ts found in codebase

ui/components/ChatWindow.tsx

@@ -39,11 +39,11 @@ const useSocket = (
   const retryCountRef = useRef(0);
   const isCleaningUpRef = useRef(false);
   const MAX_RETRIES = 3;
-  const INITIAL_BACKOFF = 1000; // 1 second
+  const INITIAL_BACKOFF = 1000;
   const isConnectionErrorRef = useRef(false);
 
   const getBackoffDelay = (retryCount: number) => {
-    return Math.min(INITIAL_BACKOFF * Math.pow(2, retryCount), 10000); // Cap at 10 seconds
+    return Math.min(INITIAL_BACKOFF * Math.pow(2, retryCount), 10000);
   };
 
   useEffect(() => {