v0.161.0

Added

• cockpit: Compact context, free. In the Context section, one click
  types Claude Code's own /compact into a session Caprock started — at once
  at its prompt, otherwise when its turn ends — and the session carries on
  in place with a summary; /clear is never typed. The collapsed Context
  line shows a small icon from 60% full; both are hidden under 100k tokens.
  Before the press it says what usually stays and where that comes from:
  your own compactions once five are measured, until then one machine's
  measurement (70 automatic compactions, 2026-09-29 to 2026-10-25, a median
  15% kept). After it, the measured before and after, Compacted: 41.4k →
  10.1k tokens — at once where Claude Code writes the size after on its
  compaction boundary, else with the next reply. A session another terminal holds is never typed into: it
  shows the command to type there and Continue here. Compaction boundaries
  are now read from transcripts, including the ones already on disk, once,
  in the background (GET /v1/sessions/{id}/compaction,
  POST /v1/agents/{id}/compact).

Changed

• store: an event names its session by an integer key instead of
  repeating the session's 36-character id in its row and in most indexes. A
  1 GB database came out 128 MiB smaller after a VACUUM (measured
  2026-10-19). The upgrade no longer rewrites the events table before the
  dashboard answers: the first start takes seconds, and the older events
  move into the new table in the background, newest first, 1 min 52 s for
  603,141 of them on a 1.2 GB database (measured 2026-10-23). Until they
  are in, the Now screen and caprock status say so, older history is
  incomplete, the other agents' importers wait, and removing a session asks
  to try again later. A query on caprock.db joins sessions for a
  session's id (docs/schema.md). No earlier release opens the upgraded
  database, so the upgrade first keeps a copy of it as caprock.pre-0073.db
  in the data directory for 30 days: to go back, stop Caprock, put the copy
  in place of caprock.db, remove caprock.db-wal and caprock.db-shm,
  and install the older release. caprock up and the desktop app wait for
  the copy and say the database is upgrading.