v2.12.19

What's Changed

• feat: hint-independent context metering via statusline harness signal by @Heretyc in #121
  • statusline shim writes session-keyed sl-* records with the authoritative used_percentage
  • rung-1 harness lift
  • harness window source closes the sub-200k over-read
  • register-or-wrap statusLine setup
  • hourly state sweep for rev<2 latches and stale ctx/sl records
• chore(release): v2.12.19 by @Heretyc in #122

Full Changelog: v2.12.18...v2.12.19