error-reporting

Currently the default color scheme from GraphicalTheme::default will prefer truecolor to ansi colors, if available. Many users have terminals with a specific color scheme configured for the ANSI colors, and CLI tools that synthesize their own color scheme with arbitrary RGB values tend to look very out of place. This is particularly bad with a non-black background, which can result in text with

This case should just be passed directly to the parent handler

Currently we use protobuf to document the representation format: https://github.com/soundcloud/periskop/blob/master/representation/errors.proto.

Since we are not planning to use protobuf as a serialization format, it would be more appropriate to use json schema instead.

When creating exceptions with breadcrumbs in 2 tests, the second test will have the breadcrumbs from the first test.

describe('debug', () => {
    beforeEach(() => {
      testkit.reset();
    });
    it('should log a message 1', () => {
      Sentry.addBreadCrumb({message: 'messageText'});
      Sentry.captureException(new Error('test 1'));

      expect(testkit.reports()).toHaveLen