Function truncate

atomic-agent/src/provenance/consolidate.rs:730–737

Truncate a string for display.

(s: &str, max_len: usize)

/// Truncate a string for display.
fn truncate(s: &str, max_len: usize) -> String {
    if s.len() <= max_len {
        s.to_string()
    } else {
        let truncated: String = s.chars().take(max_len.saturating_sub(3)).collect();
        format!("{}...", truncated)
    }
}

// =============================================================================
// Tests