Add @bytelyst/command-palette (workspace:* + minimal lockfile importer
entry). Mount CommandRegistryProvider + a lazily-loaded CommandMenu in
providers.tsx, opened with ⌘K / Ctrl-K. Register navigate commands
(Overview/Items/Board/Roadmap), New item (navigates to items with ?new=1
which auto-opens the create modal), Toggle theme, Sign out, and per-product
Switch commands wired to setProductId. Command building lives in the pure
src/lib/command-registry.ts. Add command-menu.test.tsx (jsdom) asserting the
builder set and that the palette opens on ⌘K and lists commands.
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Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
