Orbit Pi 0.2.2

Added

• Hover hints now carry the shortcut: the model and thinking chips, New Task,
  the sidebar's Search/Usage rows, the top-bar panel toggles, the Git page
  tabs, and the workspace + use registry-backed tooltips ("Choose Model
  (⌘⇧M)"), and hovering a session row shows the ⌘1…⌘9 slot that opens it.

• A single command registry now backs the keymap, the command palette, and
  Settings → Shortcuts, so a chord, its chip, and the action it runs can never
  drift apart. The palette gained Rename Session, Pin / Unpin, Clone
  Session, Delete Session, Choose Model (⌘⇧M), Choose Thinking
  Level (⌘⇧T), Review Changes (⌘⇧R), and Keyboard Shortcuts (⌘/).

• Session management is number- and cycle-addressable: ⌘1…⌘9
  (Ctrl+1…9) open the Nth session in the sidebar's visible order, and
  Ctrl+Tab / Ctrl+Shift+Tab cycle to the next or previous session. The
  palette also lists Next Session and Previous Session.

• The Review pane is fully keyboard operable: Tab / Shift+Tab move between
  the workbench's focus stops, arrows walk the changed-files tree, Enter
  opens a file or toggles a folder, n / p jump between changed files,
  [ / ] jump between hunks, e / c expand or collapse every file, and
  Escape returns to the chat. The composer's autocomplete and the terminal
  keep Tab for their own use.

Changed

• The Git page tabs moved from ⌘1…⌘5 to ⌘⌥1…⌘⌥5 (Ctrl+Alt+1…5) so
  the number keys can address sessions directly.

Fixed

• Orbit and orbit-rpc also probe ~/.pi/agent/bin for the pi launcher,
  alongside the npm/pnpm/bun home dirs they already checked. A bundled .app
  never inherits the shell PATH that contains it, so a pi installed there used
  to read as missing.

• Shortcuts that were advertised but macOS-only (cmd- editor clipboard and
  undo, Files close, Git page tabs) now use the platform modifier, so Windows
  and Linux get the same keys. The ⌘. abort chord was dead — gpui names the key
  ., not period — and now fires.

• Compaction and branch summaries now appear in the transcript as boundary
  cards: Compaction — Compacted from 150K tokens (click to expand the
  summary) and Branch summary. A successful compaction also re-reads pi's
  compacted context right away, so the summarized history is replaced by the
  summary the moment it lands instead of lingering until the session is
  reopened.

What's Changed

• Refector/session compact issue by @imrj05 in #42

Full Changelog: v0.2.1...v0.2.2