Booking Engine

Architecture: Six focused services with the BookingService/SchedulingService overlap resolved by giving SchedulingService exactly one job, the transactional double-booking guard , while BookingService owns the create/reschedule/cancel workflow around it.

59 unit tests, 24 integration tests

vitest.config.mts

@@ -0,0 +1,13 @@
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  resolve: { tsconfigPaths: true },
+  test: {
+    environment: "node",
+    globals: false,
+    // Unit tests (no DB) run by default via `npm test`. Integration tests
+    // (real Postgres required) are named `*.integration.test.ts` and only
+    // run via `npm run test:integration` — see docs/phase-3-summary.md.
+    exclude: ["node_modules/**", ".next/**", "templates/**", "**/*.integration.test.ts"],
+  },
+});