feat: review button in plugin page

[deadlyjack]

No description provided.

[greptile-apps]

Confidence Score: 5/5

The PR appears safe to merge, with no outstanding actionable findings.

Summary

Adds a floating reviews button to plugin pages with review data, reuses the existing review-dialog handler, and reserves tab-content space so the button does not obscure content.

• Conditionally displays the button when review metrics are available.
• Adds safe-area-aware positioning and button styling.
• Refactors review-dialog invocation into a shared callback.

_{Reviews (2) · Last reviewed commit: "feat: review button in plugin page"}

[deadlyjack]

@greptile review again