Fix MarkRecording missing-recorder response status

Author: cursoragent

server/cmd/api/api/api.go

@@ -266,7 +266,7 @@ func (s *ApiService) MarkRecording(ctx context.Context, req oapi.MarkRecordingRe
 	rec, exists := s.recordManager.GetRecorder(recorderID)
 	if !exists {
 		log.Error("attempted to mark non-existent recording", "recorder_id", recorderID)
-		return oapi.MarkRecording409JSONResponse{ConflictErrorJSONResponse: oapi.ConflictErrorJSONResponse{Message: "no active recording to mark"}}, nil
+		return oapi.MarkRecording400JSONResponse{BadRequestErrorJSONResponse: oapi.BadRequestErrorJSONResponse{Message: "no active recording to mark"}}, nil
 	}
 
 	name, offsetMs, err := rec.Mark(req.Body.Name)

server/cmd/api/api/api_test.go

@@ -130,14 +130,14 @@ func TestApiService_MarkRecording(t *testing.T) {
 	ctx := context.Background()
 	name := "checkpoint"
 
-	t.Run("no recorder maps to 409", func(t *testing.T) {
+	t.Run("no recorder maps to 400", func(t *testing.T) {
 		mgr := recorder.NewFFmpegManager()
 		svc, err := newSvc(t, mgr)
 		require.NoError(t, err)
 
 		resp, err := svc.MarkRecording(ctx, oapi.MarkRecordingRequestObject{Body: &oapi.MarkRecordingJSONRequestBody{Name: name}})
 		require.NoError(t, err)
-		require.IsType(t, oapi.MarkRecording409JSONResponse{}, resp)
+		require.IsType(t, oapi.MarkRecording400JSONResponse{}, resp)
 	})
 
 	t.Run("missing body maps to 400", func(t *testing.T) {