diff --git a/packages/server/src/server/agent/agent-loading.ts b/packages/server/src/server/agent/agent-loading.ts
index b846635a9b..81afde5c36 100644
--- a/packages/server/src/server/agent/agent-loading.ts
+++ b/packages/server/src/server/agent/agent-loading.ts
@@ -134,8 +134,10 @@ export async function ensureAgentLoaded(
       }
       // Known gap: `record` was read before this create, and createAgent deletes the stored
       // state outside the agent's lifecycle lane. A setMetadata that saves between the read and
-      // the delete is overwritten by this stale metadata. The fix is to read and delete the
-      // stored record inside the lane (createAgentInternal), which is a lifecycle change.
+      // the delete is overwritten by this stale metadata. That window spans everything from the
+      // read to the delete, including the agent.create.before hook, which a plugin can hold
+      // open. The fix is to read and delete the stored record inside the lane
+      // (createAgentInternal), which is a lifecycle change.
       snapshot = await deps.agentManager.createAgent(config, agentId, {
         labels: record.labels,
         metadata: record.metadata,