fix: move dock icons below sidebar header, above thread list

fix: resolve all slash commands to natural language, add more built-in mappings

fix: slash commands populated from SDK init (slash_commands array), merged with IPC list

fix: slash command parser handles ❯ format, emit slash_commands from sidecar init

fix: sidebar dock layout for 5 buttons, skills panel version badges and marketplace names

fix: skills parser handles actual CLI output format (multi-line blocks with ❯ headers)

feat: skills/plugins management virtual tab with install, enable/disable, marketplace support

fix: graceful session resume fallback when session file is missing

feat: search as virtual tab instead of modal, inline rendering support

fix: add addProject function, swap button order, delete stale sidecar lock file, gitignore sidecar artifacts

feat: UX overhaul — add project flow, breadcrumbs, status bar, keyboard shortcuts, state persistence, contextual guidance

fix: bundle agent sidecar in app resources, fix path resolution for production builds

feat: cross-platform auto-updater with signed updates, progress UI, GitHub Releases endpoint

fix(session): surface sidecar crash errors to frontend

feat: expand core/git/ai/plugin/telemetry crates with comprehensive type definitions and abstractions