### Fixed
- Fixed TUI performance regression caused by Box component lacking render caching. Built-in tools now use Text directly (like v0.22.5), and Box has proper caching for custom tool rendering.
- Fixed custom tools failing to load from `~/.pi/agent/tools/` when pi is installed globally. Module imports (`@sinclair/typebox`, `@mariozechner/pi-tui`, `@mariozechner/pi-ai`) are now resolved via aliases.