Fix CLAUDE.md formatting from pre-commit hook

- Apply Prettier formatting changes to CLAUDE.md
- Maintain all reorganized content and structure
- Ensure consistent code formatting per project standards

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

entrypoints/popup/App.css

@@ -77,3 +77,11 @@ body {
   background: var(--btn-bg);
   font-weight: 500;
 }
+
+.nav-button.settings-button {
+  padding: 8px 12px;
+  min-width: 36px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}