Agregar decorador @Public() para endpoints públicos

- Crear public.decorator.ts con IS_PUBLIC_KEY
- Modificar JwtAuthGuard para verificar @Public() y saltar auth
- Marcar GET /tourism/guides como público

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/common/decorators/public.decorator.ts

@@ -0,0 +1,4 @@
+import { SetMetadata } from '@nestjs/common';
+
+export const IS_PUBLIC_KEY = 'isPublic';
+export const Public = () => SetMetadata(IS_PUBLIC_KEY, true);

src/common/guards/jwt-auth.guard.ts

@@ -1,5 +1,24 @@
-import { Injectable } from '@nestjs/common';
+import { Injectable, ExecutionContext } from '@nestjs/common';
+import { Reflector } from '@nestjs/core';
 import { AuthGuard } from '@nestjs/passport';
+import { IS_PUBLIC_KEY } from '../decorators/public.decorator';
 
 @Injectable()
-export class JwtAuthGuard extends AuthGuard('jwt') {}
+export class JwtAuthGuard extends AuthGuard('jwt') {
+  constructor(private reflector: Reflector) {
+    super();
+  }
+
+  canActivate(context: ExecutionContext) {
+    const isPublic = this.reflector.getAllAndOverride<boolean>(IS_PUBLIC_KEY, [
+      context.getHandler(),
+      context.getClass(),
+    ]);
+
+    if (isPublic) {
+      return true;
+    }
+
+    return super.canActivate(context);
+  }
+}

src/modules/tourism/tourism.controller.ts

@@ -12,6 +12,7 @@ import { UpdatePlaceDto } from './dto/update-place.dto';
 import { CreateTourGuideDto } from './dto/create-tour-guide.dto';
 import { UpdateTourGuideDto } from './dto/update-tour-guide.dto';
 import { JwtAuthGuard } from '../../common/guards/jwt-auth.guard';
+import { Public } from '../../common/decorators/public.decorator';
 import { RolesGuard } from '../../common/guards/roles.guard';
 import { Roles } from '../../common/decorators/roles.decorator';
 import { Destination } from '../../entities/destination.entity';
@@ -154,6 +155,7 @@ export class TourismController {
     return this.tourismService.createTourGuide(createTourGuideDto);
   }
 
+  @Public()
   @Get('guides')
   @ApiOperation({ summary: 'Get all tour guides with filters' })
   @ApiQuery({ name: 'page', required: false, type: Number })