feat(theme): finalize design token system with WCAG AA compliance

- Fix gold text contrast in light theme from 3.30:1 to 6.38:1 (AA compliant)
- Separate ThemeContext into definition and provider files for ESLint compliance
- Update contrast report with final validation results (100% passing tests)
- Ensure all accent colors meet WCAG AA standards across light/dark themes
- Complete design token system with proper semantic color roles

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

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

reactrebuild0825/.prettierignore

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+# Build outputs
+dist/
+build/
+coverage/
+.nyc_output/
+
+# Dependencies
+node_modules/
+
+# Environment files
+.env*
+
+# Logs
+logs/
+*.log
+
+# IDE and editor files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Package manager files
+package-lock.json
+yarn.lock
+pnpm-lock.yaml
+
+# Testing
+/test-results/
+/playwright-report/
+/playwright/.cache/
+
+# Project specific
+qa-screenshots/
+claude-logs/
+public/
+
+# Generated files
+*.min.js
+*.min.css
+
+# Documentation that should maintain specific formatting
+CHANGELOG.md
+LICENSE*
+
+# Git
+.git/
+
+# Docker
+Dockerfile*
+.dockerignore