refactor: improve import order and code formatting

- Reordered and grouped imports consistently in backend and frontend files for better readability.
- Applied indentation and formatting fixes across frontend components, services, and backend modules.
- Adjusted multiline method calls and type definitions for improved clarity.

frontend/src/providers/socket-provider.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import * as React from "react";
-import { io, Socket } from "socket.io-client";
+import { io, type Socket } from "socket.io-client";
 import { useAuth } from "./auth-provider";
 
 interface SocketContextType {