opencode-orchestrator-mcp 0.6.3

MCP server for orchestrator-style agents to spawn and manage OpenCode sessions
Documentation 
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use std::time::Duration;

pub const OPENCODE_ORCHESTRATOR_IDLE_GRACE_MS: &str = "OPENCODE_ORCHESTRATOR_IDLE_GRACE_MS";
const DEFAULT_IDLE_GRACE_MS: u64 = 1000;

pub fn idle_grace() -> Duration {
    match std::env::var(OPENCODE_ORCHESTRATOR_IDLE_GRACE_MS) {
        Ok(value) if !value.trim().is_empty() => {
            if let Ok(ms) = value.trim().parse::<u64>() {
                Duration::from_millis(ms)
            } else {
                tracing::warn!(
                    value = %value,
                    "invalid OPENCODE_ORCHESTRATOR_IDLE_GRACE_MS; using default"
                );
                Duration::from_millis(DEFAULT_IDLE_GRACE_MS)
            }
        }
        _ => Duration::from_millis(DEFAULT_IDLE_GRACE_MS),
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use serial_test::serial;

    #[test]
    #[serial(env)]
    fn idle_grace_uses_default_when_env_missing() {
        // SAFETY: Test serialized by #[serial(env)], preventing concurrent env access.
        unsafe { std::env::remove_var(OPENCODE_ORCHESTRATOR_IDLE_GRACE_MS) };
        assert_eq!(idle_grace(), Duration::from_millis(DEFAULT_IDLE_GRACE_MS));
    }

    #[test]
    #[serial(env)]
    fn idle_grace_uses_env_value_when_valid() {
        // SAFETY: Test serialized by #[serial(env)], preventing concurrent env access.
        unsafe { std::env::set_var(OPENCODE_ORCHESTRATOR_IDLE_GRACE_MS, "42") };
        assert_eq!(idle_grace(), Duration::from_millis(42));
        // SAFETY: Test serialized by #[serial(env)], preventing concurrent env access.
        unsafe { std::env::remove_var(OPENCODE_ORCHESTRATOR_IDLE_GRACE_MS) };
    }

    #[test]
    #[serial(env)]
    fn idle_grace_falls_back_when_env_invalid() {
        // SAFETY: Test serialized by #[serial(env)], preventing concurrent env access.
        unsafe { std::env::set_var(OPENCODE_ORCHESTRATOR_IDLE_GRACE_MS, "abc") };
        assert_eq!(idle_grace(), Duration::from_millis(DEFAULT_IDLE_GRACE_MS));
        // SAFETY: Test serialized by #[serial(env)], preventing concurrent env access.
        unsafe { std::env::remove_var(OPENCODE_ORCHESTRATOR_IDLE_GRACE_MS) };
    }

    #[test]
    #[serial(env)]
    fn idle_grace_falls_back_when_env_empty() {
        // SAFETY: Test serialized by #[serial(env)], preventing concurrent env access.
        unsafe { std::env::set_var(OPENCODE_ORCHESTRATOR_IDLE_GRACE_MS, "   ") };
        assert_eq!(idle_grace(), Duration::from_millis(DEFAULT_IDLE_GRACE_MS));
        // SAFETY: Test serialized by #[serial(env)], preventing concurrent env access.
        unsafe { std::env::remove_var(OPENCODE_ORCHESTRATOR_IDLE_GRACE_MS) };
    }
}