build: update vercel build configuration to include compiled nest artifacts and prisma dependencies

Author: konnn04

api/index.ts

@@ -1,6 +1,8 @@
 import type { IncomingMessage, ServerResponse } from 'node:http';
 import serverlessHttp from 'serverless-http';
-import { createApp } from '../src/create-app';
+// Import from pre-built dist — compiled by `nest build` in vercel-build step
+// eslint-disable-next-line @typescript-eslint/no-require-imports
+const { createApp } = require('../dist/create-app') as { createApp: () => Promise<import('@nestjs/platform-express').NestExpressApplication> };
 
 type ServerlessHandler = (
   req: IncomingMessage,

vercel.json

@@ -4,7 +4,7 @@
   "outputDirectory": ".",
   "functions": {
     "api/index.ts": {
-      "includeFiles": "web-ui/dist/**",
+      "includeFiles": "{dist/**,web-ui/dist/**,node_modules/.prisma/**,node_modules/@prisma/client/**}",
       "memory": 1024,
       "maxDuration": 30
     }