## Added
- ML-Based Complexity Classification with 4-level task analysis
- Model Capability Registry with 25+ December 2025 models
- Claude Opus 4.5, DeepSeek R1/V3, GPT-5, Gemini 2.5 Pro
- Cost Optimization Strategies (PromptCompressor, Caching, Batching)
- HybridRouter integration with complexity-based model selection
## Changed
- README.md Quick Start section (user-focused, no version numbers)
- .env.example rewritten for Phase 2 features
- CONTRIBUTORS.md updated with @fndlalit's n8n contribution (#151)
## Fixed
- HybridRouter RuVector test isolation
- Compression benchmarks with honest expectations (2-8% vs false 50%)
## New Tests
- ComplexityClassifier, ModelCapabilityRegistry, CompressionBenchmark
- HybridRouter integration, model selection, and cost tracking tests
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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