File owned-database.test.ts

apps/local/src/db/owned-database.test.ts:None–None

/* oxlint-disable executor/no-try-catch-or-throw -- boundary: DB ownership tests must tear down held DB/lock handles and child processes even when assertions fail */
import { spawn, type ChildProcessWithoutNullStreams } from "node:child_process";
import {
  existsSync,