MechaCat02 e4851b3deb test(cli): extract shared Fixture into tests/common ...

The single bare-metal integration test now reuses a `LazyLock<Fixture>`
that spawns picloud once on a private port and shares it across every
test in the binary. Sets the stage for per-surface journey modules
(auth, apps, scripts, invoke, logs, roles, output) without each one
paying for its own server spawn — same trick the dashboard Playwright
suite uses with global-setup.

Notes:
- `tests/cli.rs` becomes a tiny module list; the seed flow moved to
  `tests/integration.rs`. The seed slug now goes through
  `common::unique_slug` so parallel/serial reruns can't collide.
- `autotests = false` + an explicit `[[test]] name = "cli"` keeps Cargo
  from auto-promoting future `tests/*.rs` files into their own binaries
  (which would each respawn picloud).
- Subprocess cleanup uses `libc::atexit` to SIGTERM picloud when the
  test binary exits. PR_SET_PDEATHSIG was tried and rejected: it fires
  when the *thread* that forked dies, and cargo's per-test worker
  threads exit between tests, which killed the fixture mid-suite.
- New helpers: AppGuard/UserGuard (RAII teardown), member_user /
  grant_membership / update_membership (direct API for role tests),
  unique_slug / unique_username, pic_as / pic_no_env.
- Two `fixture_url_is_shared_*` tests prove the LazyLock is actually
  shared, not respawned per test.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-28 21:21:12 +02:00

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