Function format_hook_message

rust/crates/runtime/src/conversation.rs:400–406

(result: &HookRunResult, fallback: &str)

}

fn format_hook_message(result: &HookRunResult, fallback: &str) -> String {
    if result.messages().is_empty() {
        fallback.to_string()
    } else {
        result.messages().join("\n")
    }
}

fn merge_hook_feedback(messages: &[String], output: String, denied: bool) -> String {
    if messages.is_empty() {