fix(api): report database schema mismatches clearly

apps/api/src/http/errors/errorMiddleware.test.ts

@@ -74,6 +74,22 @@ describe('errorMiddleware', () => {
     })
   })
 
+  it.each(['P2021', 'P2022'])('normalizes Prisma schema mismatch errors for %s', (code) => {
+    const spy = vi.spyOn(console, 'error').mockImplementation(() => undefined)
+
+    const res = handle({ code })
+
+    expect(res.status).toHaveBeenCalledWith(503)
+    expect(res.json).toHaveBeenCalledWith({
+      error: 'database_schema_mismatch',
+      message: 'Database schema is out of date. Run database migrations and retry.',
+      statusCode: 503,
+      requestId: undefined,
+    })
+
+    spy.mockRestore()
+  })
+
   it('preserves AppError metadata in the response body', () => {
     const res = handle(new AppError('Plan required', 402, 'payment_required', { requiredPlan: 'PRO' }))