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>

tests/integration/error-handling.test.ts

@@ -0,0 +1,27 @@
+import { test, expect, describe } from 'bun:test'
+import { createTestApp } from '../helpers'
+
+const app = createTestApp()
+
+describe('Error handling', () => {
+  test('unknown API route returns 404 JSON', async () => {
+    const res = await app.handle(new Request('http://localhost/api/nonexistent'))
+    expect(res.status).toBe(404)
+    const body = await res.json()
+    expect(body).toEqual({ error: 'Not Found', status: 404 })
+  })
+
+  test('unknown nested API route returns 404', async () => {
+    const res = await app.handle(new Request('http://localhost/api/foo/bar/baz'))
+    expect(res.status).toBe(404)
+    const body = await res.json()
+    expect(body.error).toBe('Not Found')
+  })
+
+  test('wrong HTTP method returns 404', async () => {
+    const res = await app.handle(new Request('http://localhost/api/hello', { method: 'DELETE' }))
+    expect(res.status).toBe(404)
+    const body = await res.json()
+    expect(body.error).toBe('Not Found')
+  })
+})