feat(replay): Capture client report when retry fails

packages/replay/src/replay.ts

@@ -831,6 +831,9 @@ export class ReplayContainer implements ReplayContainerInterface {
         return;
       }
 
+      const client = getCurrentHub().getClient();
+      client?.recordDroppedEvent('retry_failed', 'replay_event');
+
       // This means we retried 3 times, and all of them failed
       // In this case, we want to completely stop the replay - otherwise, we may get inconsistent segments
       this.stop();

packages/replay/test/integration/sendReplayEvent.test.ts

@@ -386,6 +386,7 @@ describe('Integration | sendReplayEvent', () => {
     const TEST_EVENT = { data: {}, timestamp: BASE_TIMESTAMP, type: 3 };
 
     const spyHandleException = jest.spyOn(SentryCore, 'captureException');
+    const spyRecordDroppedEvent = jest.spyOn(SentryCore.getCurrentHub().getClient()!, 'recordDroppedEvent');
 
     // Suppress console.errors
     const mockConsole = jest.spyOn(console, 'error').mockImplementation(jest.fn());
@@ -432,6 +433,10 @@ describe('Integration | sendReplayEvent', () => {
     // Replay should be completely stopped now
     expect(replay.isEnabled()).toBe(false);
 
+    // Failed retry is recorded
+    expect(spyRecordDroppedEvent).toHaveBeenCalledTimes(1);
+    expect(spyRecordDroppedEvent).toHaveBeenLastCalledWith('retry_failed', 'replay_event');
+
     // Events are ignored now, because we stopped
     mockRecord._emitter(TEST_EVENT);
     await advanceTimers(DEFAULT_FLUSH_MIN_DELAY);

packages/types/src/clientreport.ts

@@ -6,7 +6,8 @@ export type EventDropReason =
   | 'network_error'
   | 'queue_overflow'
   | 'ratelimit_backoff'
-  | 'sample_rate';
+  | 'sample_rate'
+  | 'retry_failed';
 
 export type Outcome = {
   reason: EventDropReason;