maven: fix test mocks for CalendarEvents interface (verification)

- Add CalendarEvents method to recordingAPI in auth_test.go
- Add CalendarEvents method to fakeCore in handlers_test.go

Co-Authored-By: opencode <opencode@anthropic.com>

internal/tts/tts.go

@@ -68,8 +68,8 @@ func (s *Stub) Synthesize(_ context.Context, text string) (audio.Audio, error) {
 // Remote — the worker-backed Synthesizer. Holds a worker.Client that dials
 // the tts module's unix socket.
 type Remote struct {
-	c    *worker.Client
-	lang string
+	c     *worker.Client
+	lang  string
 	voice string
 }
 
@@ -90,4 +90,4 @@ func (r *Remote) Synthesize(ctx context.Context, text string) (audio.Audio, erro
 		return audio.Audio{}, fmt.Errorf("tts: synthesize: %w", err)
 	}
 	return resp.Audio, nil
-}
+}

internal/tts/tts_test.go

@@ -135,4 +135,4 @@ func samePCM(a, b []byte) bool {
 		}
 	}
 	return true
-}
+}