Function is_assistant_message

rust/crates/ccusage/src/adapter/codebuff/parser.rs:127–134

(message: &serde_json::Map<String, Value>)

}

fn is_assistant_message(message: &serde_json::Map<String, Value>) -> bool {
    matches!(
        string_field(message, "variant")
            .or_else(|| string_field(message, "role"))
            .as_deref(),
        Some("ai" | "agent" | "assistant")
    )
}

fn extract_assistant_usage(message: &serde_json::Map<String, Value>) -> AssistantUsage {
    let mut usage = AssistantUsage::default();