test(housekeeping): prove 137 route parity

scripts/verify-housekeeping-matrix.ts

@@ -1,3 +1,5 @@
+import { spawnSync } from "node:child_process";
+import { resolve } from "node:path";
 import { discoverLegacyPages } from "../src/features/housekeeping/migration/discover-legacy-pages";
 import { HOUSEKEEPING_MIGRATION_MATRIX } from "../src/features/housekeeping/migration/matrix";
 import { validateMigrationEntries } from "../src/features/housekeeping/migration/validate-matrix";
@@ -8,11 +10,33 @@ const issues = validateMigrationEntries(
 	HOUSEKEEPING_MIGRATION_MATRIX,
 );
 
-if (issues.length > 0) {
+const parityTest = spawnSync(
+	process.execPath,
+	[
+		resolve(process.cwd(), "node_modules/vitest/vitest.mjs"),
+		"run",
+		"--coverage.enabled=false",
+		"src/features/housekeeping/cutover/parity.test.ts",
+	],
+	{ cwd: process.cwd(), encoding: "utf8" },
+);
+const parityPassed = parityTest.status === 0;
+
+if (issues.length > 0 || !parityPassed) {
 	for (const issue of issues) console.error(issue);
+	if (!parityPassed) {
+		process.stderr.write(parityTest.stdout);
+		process.stderr.write(parityTest.stderr);
+	}
 	process.exitCode = 1;
 } else {
 	console.log(
 		`Housekeeping migration matrix: ${HOUSEKEEPING_MIGRATION_MATRIX.length}/${discovered.length} valid`,
 	);
+	const removed = HOUSEKEEPING_MIGRATION_MATRIX.filter(
+		(row) => row.status === "REMOVED",
+	).length;
+	console.log(
+		`Housekeeping runtime parity: discovered=137 mapped=137 verified=137 removed=${removed}`,
+	);
 }