fix(lint): resolve prettier and dot-notation errors

apps/api/src/chat-proxy/chat-proxy.controller.ts

@@ -1,13 +1,4 @@
-import {
+import { Body, Controller, HttpException, Logger, Post, Req, Res, UseGuards } from "@nestjs/common";
-  Body,
-  Controller,
-  HttpException,
-  Logger,
-  Post,
-  Req,
-  Res,
-  UseGuards,
-} from "@nestjs/common";
 import type { Response } from "express";
 import { AuthGuard } from "../auth/guards/auth.guard";
 import type { MaybeAuthenticatedRequest } from "../auth/types/better-auth-request.interface";

apps/api/src/chat-proxy/chat-proxy.service.ts

@@ -90,10 +90,7 @@ export class ChatProxyService {
    * - GUEST_LLM_API_KEY: API key (optional, for cloud providers)
    * - GUEST_LLM_MODEL: Model name to use
    */
-  async proxyGuestChat(
+  async proxyGuestChat(messages: ChatMessage[], signal?: AbortSignal): Promise<Response> {
-    messages: ChatMessage[],
-    signal?: AbortSignal
-  ): Promise<Response> {
     const llmUrl = this.config.get<string>("GUEST_LLM_URL") ?? DEFAULT_GUEST_LLM_URL;
     const llmApiKey = this.config.get<string>("GUEST_LLM_API_KEY");
     const llmModel = this.config.get<string>("GUEST_LLM_MODEL") ?? DEFAULT_GUEST_LLM_MODEL;
@@ -103,7 +100,7 @@ export class ChatProxyService {
     };
 
     if (llmApiKey) {
-      headers["Authorization"] = `Bearer ${llmApiKey}`;
+      headers.Authorization = `Bearer ${llmApiKey}`;
     }
 
     const requestInit: RequestInit = {