Method cursorOnFirstLine

internal/tui/model.go:1253–1253

cursorOnFirstLine: true when ↑ should walk prompt history instead of moving the textarea's own cursor. cursorOnLastLine is the mirror for ↓.

()

// appends "(exit: N)" / "(timeout after ...)" on failure. A user Ctrl+C
// ("(cancelled)") never counts as a failure.
func toolResultFailed(name, result string) bool {
	if strings.Contains(result, "(cancelled)") {
		return false
	}