From ff3722a3a74b09cd25b03de41933944a55db6351 Mon Sep 17 00:00:00 2001
From: Bryan Morgan <bryanmorgan@google.com>
Date: Mon, 14 Jul 2025 16:20:06 -0400
Subject: Fix circular reference JSON serialization in telemetry logging
 (#4150)

---
 packages/core/src/telemetry/clearcut-logger/clearcut-logger.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'packages/core/src/telemetry/clearcut-logger')

diff --git a/packages/core/src/telemetry/clearcut-logger/clearcut-logger.ts b/packages/core/src/telemetry/clearcut-logger/clearcut-logger.ts
index cd2abe81..07c40c86 100644
--- a/packages/core/src/telemetry/clearcut-logger/clearcut-logger.ts
+++ b/packages/core/src/telemetry/clearcut-logger/clearcut-logger.ts
@@ -23,6 +23,7 @@ import {
   getCachedGoogleAccount,
   getLifetimeGoogleAccounts,
 } from '../../utils/user_account.js';
+import { safeJsonStringify } from '../../utils/safeJsonStringify.js';
 
 const start_session_event_name = 'start_session';
 const new_prompt_event_name = 'new_prompt';
@@ -65,7 +66,7 @@ export class ClearcutLogger {
     this.events.push([
       {
         event_time_ms: Date.now(),
-        source_extension_json: JSON.stringify(event),
+        source_extension_json: safeJsonStringify(event),
       },
     ]);
   }
@@ -121,7 +122,7 @@ export class ClearcutLogger {
           log_event: eventsToSend,
         },
       ];
-      const body = JSON.stringify(request);
+      const body = safeJsonStringify(request);
       const options = {
         hostname: 'play.googleapis.com',
         path: '/log',
-- 
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