- Remove unused now_secs(), parse_json_response, any_alive, Regex import
- Signal handler: replace Mutex with AtomicPtr<c_char> for signal safety
(Mutex::lock in a signal handler can deadlock if main thread holds it)
- PidGuard Drop reclaims the leaked CString; signal handler just unlinks
- scan_pid_files moved to knowledge.rs as pub helper
- setup_agent_state calls scan_pid_files to clean stale pids on startup
Co-Authored-By: Kent Overstreet <kent.overstreet@linux.dev>
- Bail command moved from hardcoded closure to external script
specified in agent JSON header ("bail": "bail-no-competing.sh")
- Runner executes script between steps with pid file path as $1,
cwd = state dir. Non-zero exit stops the pipeline.
- PID files simplified to just the phase name (no JSON) for easy
bash inspection (cat pid-*)
- scan_pid_files helper deduplicates pid scanning logic
- Timeout check uses file mtime instead of embedded timestamp
- PID file cleaned up on bail/error (not just success)
- output() tool validates key names (rejects pid-*, /, ..)
- Agent log files append instead of truncate
- Fixed orphaned derive and doc comment on AgentStep/AgentDef
- Phase written after bail check passes, not before
Co-Authored-By: Kent Overstreet <kent.overstreet@linux.dev>
