* fix(core): sm.list() no longer writes terminated state to disk (#1735)
sm.list() was bypassing the lifecycle manager's probe decision matrix by
persisting terminated state immediately on a single isAlive() failure.
The dashboard's 3s poll via /api/sessions/patches called sm.list() ~10x
more often than the lifecycle manager, so a transient runtime failure
would permanently kill the session before the lifecycle manager could
evaluate all three probes (runtime, process, activity).
Changes:
- sm.list() now persists "detecting" instead of "terminated" when it
detects a dead runtime, so the lifecycle manager's resolveProbeDecision
pipeline remains the single authority on terminal decisions.
- /api/sessions/patches now calls listCached() instead of list(),
preventing the dashboard's 3s poll from probing runtimes directly.
The cache TTL (35s) aligns with the lifecycle manager's 30s poll.
- Updated CLAUDE.md invariants to reflect the new behavior.
* fix(core): skip re-persisting detecting state on subsequent list() calls
Check the on-disk lifecycle state (raw metadata) instead of the
in-memory state when deciding whether to persist. Enrichment already
sets detecting in-memory, so the previous guard always skipped the
persist block. Using the on-disk state ensures:
- First detection: persists detecting + lastTransitionAt
- Subsequent calls: skips re-write, preserving the original timestamp
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