- Add 'kernels' package to Dockerfile for native MXFP4 execution
(fixes gpt-oss-20b OOM: 15.2GB→13.5GB)
- Reduce GGUF n_ctx from 8192 to 4096 and quantize KV cache to Q8_0
to reduce VRAM usage
- Use GGML_TYPE_Q8_0 constant instead of string for type_k/type_v
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>