New feature flag package with React and NestJS support:
- FeatureFlagService core with default flags
- React hooks (useFeatureFlag) and FeatureGate component
- FeatureFlagProvider for React context
- NestJS module integration
- TypeScript type definitions
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
