Initial commit: full-stack Bun + Elysia + React template

Elysia.js API with session-based auth (email/password + Google OAuth),
role system (USER/ADMIN/SUPER_ADMIN), Prisma + PostgreSQL, React 19
with Mantine UI, TanStack Router, dark theme, and comprehensive test
suite (unit, integration, E2E with Lightpanda).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/lib/db.ts

@@ -0,0 +1,13 @@
+import { PrismaClient } from '../../generated/prisma'
+
+const globalForPrisma = globalThis as unknown as { prisma: PrismaClient }
+
+export const prisma =
+  globalForPrisma.prisma ??
+  new PrismaClient({
+    log: process.env.NODE_ENV === 'development' ? ['warn', 'error'] : ['error'],
+  })
+
+if (process.env.NODE_ENV !== 'production') {
+  globalForPrisma.prisma = prisma
+}

src/lib/env.ts

@@ -0,0 +1,19 @@
+function optional(key: string, fallback: string): string {
+  return process.env[key] ?? fallback
+}
+
+function required(key: string): string {
+  const value = process.env[key]
+  if (!value) throw new Error(`Missing required environment variable: ${key}`)
+  return value
+}
+
+export const env = {
+  PORT: parseInt(optional('PORT', '3000'), 10),
+  NODE_ENV: optional('NODE_ENV', 'development'),
+  REACT_EDITOR: optional('REACT_EDITOR', 'code'),
+  DATABASE_URL: required('DATABASE_URL'),
+  GOOGLE_CLIENT_ID: required('GOOGLE_CLIENT_ID'),
+  GOOGLE_CLIENT_SECRET: required('GOOGLE_CLIENT_SECRET'),
+  SUPER_ADMIN_EMAILS: optional('SUPER_ADMIN_EMAIL', '').split(',').map(e => e.trim()).filter(Boolean),
+} as const