charm-tui

The Charm v2 stack is a different library from v1 behind the same names. Three biases decide most calls:

• The module source outranks a remembered API shape. Training data is saturated with v1, and a v1 idiom either fails to compile against v2 or misbehaves silently. Read go.mod, then the module itself, before reaching for a signature.
• The View declares the terminal. Every terminal feature is a field set on every render, never a program option and never a command.
• Update is the only place state changes. A command does its work on another goroutine and returns a message; Update applies it.

Modules

• charm.land/<name>/v2 — bubbletea, bubbles, lipgloss, huh, glamour, fang, log, wish.
• github.com/charmbracelet/... — ultraviolet, colorprofile, and every x/... package (x/ansi, x/term, x/editor, x/exp/golden, x/exp/teatest/v2, x/exp/charmtone).
• github.com/charmbracelet/bubbletea and its siblings resolve to v1 — never import them. charm.land/x/ansi and charm.land/ultraviolet do not resolve at all.
• The build error module declares its path as charm.land/... but was required as github.com/charmbracelet/... names a stale import. Fix the import, then run go mod tidy.