diff --git a/hive-c0re/src/coordinator.rs b/hive-c0re/src/coordinator.rs
index 9d40377d..e5f8b3b5 100644
--- a/hive-c0re/src/coordinator.rs
+++ b/hive-c0re/src/coordinator.rs
@@ -369,7 +369,8 @@ impl Drop for MetaUpdateGuard {
     }
 }
 
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, serde::Serialize)]
+#[serde(rename_all = "snake_case")]
 pub enum TransientKind {
     /// `lifecycle::spawn` is running (nixos-container create + update + start).
     Spawning,