fix: NpcController prefix — remove duplicate /api

src/npc/npc.controller.ts

@@ -2,7 +2,7 @@ import { Controller, Get, Query, Req, UseGuards } from '@nestjs/common';
 import { NpcService } from './npc.service';
 import { AuthGuard } from '../auth/guards/auth.guard';
 
-@Controller('api/npcs')
+@Controller('npcs')
 @UseGuards(AuthGuard)
 export class NpcController {
   constructor(private readonly npcService: NpcService) {}