docs: complete housekeeping migration matrix

package.json

@@ -21,7 +21,8 @@
 		"db:generate": "drizzle-kit generate",
 		"db:migrate": "tsx scripts/apply-migrations.ts",
 		"db:migrate:status": "tsx scripts/apply-migrations.ts --status",
-		"db:studio": "drizzle-kit studio"
+		"db:studio": "drizzle-kit studio",
+		"hk:matrix:check": "tsx scripts/verify-housekeeping-matrix.ts"
 	},
 	"lint-staged": {
 		"*.{js,ts,jsx,tsx,json}": "biome check --write --no-errors-on-unmatched"