Remove Share on X button, add review quality metrics bar

Add brutality selector, issue badge, and copy review button

Add Verdicts tab with Linus/Donald/Bjarne opinions

Forbid comment-only fixes in diffs

Add 2026 context for modern best practices

Add priority tags (CRITICAL/HIGH/MEDIUM/LOW) to all issues

Enforce before/after diff requirement for all issues

Add no-duplicates rule to system prompt

Fix diff format instructions in system prompt

Initial deployment