- Session sync leaves a transcript alone while hooks feed its session live
(active, newest event a hook's, touched within DASHBOARD_SYNC_LIVE_HOOK_MS,
default 5 min) and catches it up once quiet; a hook-created session (which
importSession skips anyway) is only snapshotted, never parsed.
- Hook writer keeps a per-transcript mark (applied after commit): an
unchanged TranscriptCache result skips token/compaction/API-error/turn
writes, a grown one walks only the entries after the last one handled.
- Codex usage: one stamp query per pass instead of one row per journal;
between full passes (first + every 5 min) only the newest day folders and
journals written in the last hour are statted; fork parents resolved from
the table or a full walk.
- Cursor/Antigravity polls back off to 60 s after idle passes
(server/lib/backoff-poll.js); lane sync runs only while another dashboard
shares the data dir (checked every 30 s).
