use ansi_to_tui::Error;use ansi_to_tui::IntoText;use ratatui::text::Line;use ratatui::text::Text;// Expand tabs in a best-effort way for transcript rendering.// Tabs can interact poorly with left-gutter prefixes in our TUI and CLI// transcript views (e.g., `nl` separates line numbers from content with a tab).// Replacing tabs with spaces avoids odd visual artifacts without changing// semantics for our use cases.fn expand_tabs(s: &str) -> std::borrow::Cow<'_, str> {    if s.contains('\t') {        // Keep it simple: replace each tab with 4 spaces.        // We do not try to align to tab stops since most usages (like `nl`)        // look acceptable with a fixed substitution and this avoids stateful math        // across spans.        std::borrow::Cow::Owned(s.replace('\t', "    "))    } else {        std::borrow::Cow::Borrowed(s)    }}/// This function should be used when the contents of `s` are expected to match/// a single line. If multiple lines are found, a warning is logged and only the/// first line is returned.pub fn ansi_escape_line(s: &str) -> Line<'static> {    // Normalize tabs to spaces to avoid odd gutter collisions in transcript mode.    let s = expand_tabs(s);    let text = ansi_escape(&s);    match text.lines.as_slice() {        [] => "".into(),        [only] => only.clone(),        [first, rest @ ..] => {            tracing::warn!("ansi_escape_line: expected a single line, got {first:?} and {rest:?}");            first.clone()        }    }}pub fn ansi_escape(s: &str) -> Text<'static> {    // to_text() claims to be faster, but introduces complex lifetime issues    // such that it's not worth it.    match s.into_text() {        Ok(text) => text,        Err(err) => match err {            Error::NomError(message) => {                tracing::error!(                    "ansi_to_tui NomError docs claim should never happen when parsing `{s}`: {message}"                );                panic!();            }            Error::Utf8Error(utf8error) => {                tracing::error!("Utf8Error: {utf8error}");                panic!();            }        },    }}