test: verify housekeeping foundation boundaries

package.json

@@ -22,7 +22,8 @@
 		"db:migrate": "tsx scripts/apply-migrations.ts",
 		"db:migrate:status": "tsx scripts/apply-migrations.ts --status",
 		"db:studio": "drizzle-kit studio",
-		"hk:matrix:check": "tsx scripts/verify-housekeeping-matrix.ts"
+		"hk:matrix:check": "tsx scripts/verify-housekeeping-matrix.ts",
+		"test:housekeeping": "vitest run --coverage.enabled=false src/features/housekeeping src/lib/admin-theme-source-audit.test.ts src/lib/admin/authorization-contract.test.ts"
 	},
 	"lint-staged": {
 		"*.{js,ts,jsx,tsx,json}": "biome check --write --no-errors-on-unmatched"