Initial release.
- OpenAI provider with retry logic
- Three cache stores: Memory, File, Redis
- Deterministic SHA-256 hashing
- Automatic concurrent request deduplication
- Metrics tracking (hits, misses, tokens, cost, latency)
- Full TypeScript support with strict mode
- Comprehensive test suite
- TypeScript strict mode
- ESLint configuration
- Jest testing framework
- GitHub Actions CI/CD
- NPM publishing ready