feat: Add comprehensive iconography system and enhance brand guidelines

- Add complete Iconography section with Coolicons v4.1 integration
- Implement theme-adaptive icons (black for light mode, white for dark mode)
- Add Visual Aid modal dialog for accessibility settings
- Replace theme toggle with semantic moon/sun icons
- Add personality trait icons with appropriate semantic choices
- Fix code block theming to respect light/dark mode toggle
- Include comprehensive icon categories: Interface, File/Data, Communication, Navigation
- Add detailed implementation guides for HTML, SVG, and Tailwind
- Create accessibility-aware color system with vision deficiency support
- Add Inconsolata and Inter Tight fonts for complete typography system

🤖 Generated with [Claude Code](https://claude.ai/code)

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

brand-assets/icons/coolicons.v4.1/coolicons SVG/Environment/Cookie.svg

@@ -0,0 +1,17 @@
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g id="Environment / Cookie">
+<g id="Vector">
+<path d="M12.1521 4.08723C12.1513 3.71959 12.1001 3.3538 12 3C16.9683 3.00545 20.9944 7.03979 21 12C21.0161 16.9625 16.9705 20.9835 12 20.9997C7.02946 21.0158 3.01615 16.963 3 12.0005C4.11168 12.2363 5.27038 11.9981 6.1499 11.2795C7.0562 10.5452 7.5789 9.43935 7.5702 8.27407C7.56959 8.01195 7.5461 7.75072 7.5 7.49268C8.51784 7.89624 9.67043 7.76409 10.5708 7.14162C11.5696 6.44537 12.161 5.3034 12.1521 4.08723Z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M3.00195 7.002V7H3V7.00195L3.00195 7.002Z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M8.00195 3.002V3H8V3.00195L8.00195 3.002Z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M4.00195 3.002V3H4V3.00195L4.00195 3.002Z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M10.002 17.002V17H10V17.002L10.002 17.002Z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M15.002 15.002V15H15V15.002L15.002 15.002Z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M11.002 12.002V12H11V12.002L11.002 12.002Z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M16.002 10.002V10H16V10.002L16.002 10.002Z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M3.00195 7.002V7H3V7.00195L3.00195 7.002Z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M8.00195 3.002V3H8V3.00195L8.00195 3.002Z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M4.00195 3.002V3H4V3.00195L4.00195 3.002Z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+</g>
+</g>
+</svg>