Run all scenarios against whatever is currently on disk.

* Check if a source file exists in a given directory for a base name. * Tries common source extensions.

Write the watcher PID to disk. Creates directories if needed.

@returns {{ safe: boolean, violation: string|null }}

* Acquire the state lock via atomic mkdir of a lock directory. Retries up to * LOCK_RETRIES times at LOCK_RETRY_MS intervals. A lock older than * LO

* Analyze a single line of instruction prose. * @param {string} raw * @returns {{ * text: string, noopHits: string[], anchors: number, fringeGuar

* Run a scenario against the real Claude CLI. * Returns { output: string, error: string|null, timedOut: boolean }