Fix Meta OAuth 404 by adding missing @Get decorators and update redirects

src/auth/auth.controller.ts

@@ -18,6 +18,8 @@ export class AuthController {
     private readonly googleAdsService: GoogleAdsService,
   ) {}
 
+  @Get('meta')
+  @ApiOperation({ summary: 'Redirect to Meta Login | التوجيه لتسجيل الدخول بميتا' })
   async loginToMeta(@Query('userId') userId: string, @Res() res: Response) {
     const appId = this.configService.get<string>('meta.appId');
     const redirectUri = this.configService.get<string>('meta.redirectUri');
@@ -26,6 +28,8 @@ export class AuthController {
     return res.redirect(url);
   }
 
+  @Get('meta/callback')
+  @ApiOperation({ summary: 'Meta OAuth Callback | استقبال كود ميتا' })
   async metaCallback(@Query('code') code: string, @Query('state') state: string, @Res() res: Response) {
     if (!code) return res.status(HttpStatus.BAD_REQUEST).json({ message: 'No code provided' });
     try {
@@ -46,11 +50,11 @@ export class AuthController {
       }
 
       // Redirect back to dashboard with success
-      const frontendUrl = 'http://localhost:5001'; // Should be dynamic in prod
+      const frontendUrl = '/frontend'; 
       return res.redirect(`${frontendUrl}?auth=success&platform=meta`);
     } catch (error) {
       this.logger.error('Meta Auth failed:', error.message);
-      return res.redirect('http://localhost:5001?auth=failed');
+      return res.redirect('/frontend?auth=failed');
     }
   }