✨ Expose factual comparison evidence

[Robdel12]

Why

The comparisons command currently treats the API's processing status as the visual outcome. That makes current comparison responses harder for agents and humans to interpret, and hides useful review and Honeydiff evidence the API already returns.

What changed

• Preserve the existing comparison JSON fields while adding a canonical visual result, reviewState, and visualReview.
• Normalize current and older API response shapes for screenshot names, browser, viewport, and asset URLs.
• Expose API-provided Honeydiff projection and region counts alongside the existing fingerprint and diff evidence.
• Use the visual result for filtering, summaries, icons, and detailed terminal output while retaining the processing status in JSON.
• Document the distinction between processing status, visual result, and review state.

No auth, pagination, grouping, status-command, or dynamic-content behavior changes are included.

Confidence

The comparison command is covered across current and older response shapes, including preservation of existing fields and filtering by visual result. The full test, lint, build, type-definition, and package checks pass, and the packaged CLI includes the new normalization module.