Several idle timer fixes and new inspection capabilities:
- Persist idle_timeout across daemon restarts (was reverting to 5min default)
- Set fired=true on load to suppress immediate fire from stale timestamps
- Add human-readable ISO timestamps to daemon-state.json for debugging
- Use to_string_pretty for readable state file
- Make save() public for RPC access
- Remove kb_idle_minutes() — go purely off message timestamps
- Add maybe_prompt_notification() with idle gate so notifications only
inject via tmux when truly idle, not during active sessions
- Add debug_json() for full state inspection with computed values
(would_fire, block_reason, all timers)
New RPC commands (schema @16-18):
poc-daemon idle-timeout <secs> — set idle timeout
poc-daemon save — force state persistence
poc-daemon debug — dump full internal state as JSON
Also: save state on clean shutdown, route module notifications through
maybe_prompt_notification before submitting to queue.
Co-Authored-By: ProofOfConcept <poc@bcachefs.org>
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