Show HN: Citadeld – replay any CI failure locally from a single file

`citadeld capture -- npm test` → `failure.cit` → `citadeld replay failure.cit`

Turn any CI failure into a replayable artifact. Works on Linux, macOS, and Termux (Android).

- Portable .cit format - Honest runtime validation - Hermetic replay semantics - No hidden environment mutation

Install: `curl -fsSL https://github.com/hknzer/citadeld/releases/download/v1.0.0/... -o ~/.local/bin/citadeld && chmod +x ~/.local/bin/citadeld`

https://github.com/hknzer/citadeld