internal/

Package anim holds pure, UI-free motion math: easing curves, color and value interpolation, a time-driven tween, and a clock that reports whether any animation is still live.

Package app holds the Bubble Tea root model.

Package codetext loads and normalizes user-supplied text/code for the Code typing mode.

Package config holds user settings, key bindings, and platform paths.

Package metrics derives all typing metrics post-hoc from a keystroke log.

Package mode defines typing-test modes and their selectable lengths.

Package runner builds typing sessions shared by the TUI and CLI paths.

Package storage handles reading and writing user data to disk.

Package theme defines the role-based color system.

Package typing implements the pure, UI-free typing engine and keystroke log.

Package ui contains the Bubble Tea sub-models for each screen.

Package version exposes the build-time version of typeburn.

Package words produces target strings for typing tests.