diff --git a/src/agent/runner.ts b/src/agent/runner.ts
index 4440f237..b7e2334e 100644
--- a/src/agent/runner.ts
+++ b/src/agent/runner.ts
@@ -64,7 +64,7 @@ export function isRotatableError(reason: AuthProfileFailureReason): boolean {
 
 export class Agent {
   private readonly agent: PiAgentCore;
-  private readonly output;
+  private output;
   private readonly session: SessionManager;
   private readonly profile?: ProfileManager;
   private readonly skillManager?: SkillManager;