Revert "PHP Rebuild"

This reverts commit 2ef3654841.

vitest.integration.config.mts

@@ -0,0 +1,16 @@
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  resolve: { tsconfigPaths: true },
+  test: {
+    environment: "node",
+    globals: false,
+    include: ["**/*.integration.test.ts"],
+    exclude: ["node_modules/**", ".next/**", "templates/**"],
+    // Concurrency tests (double-booking prevention) need real, unshared
+    // DB connections and predictable ordering — run integration test
+    // files one at a time.
+    fileParallelism: false,
+    testTimeout: 20000,
+  },
+});