Function env_lock

claw-code/rust/crates/api/src/client.rs:621–626

()

    use crate::types::{ContentBlockDelta, MessageRequest};

    fn env_lock() -> std::sync::MutexGuard<'static, ()> {
        static LOCK: OnceLock<Mutex<()>> = OnceLock::new();
        LOCK.get_or_init(|| Mutex::new(()))
            .lock()
            .expect("env lock")
    }

    fn temp_config_home() -> std::path::PathBuf {
        std::env::temp_dir().join(format!(