feat: v0.6.0 - Zero-latency startup with embedded Metal kernels
- Embed Metal sources into python module (removes runtime I/O) - Simplifies packaging (no data files to miss) - Unblocked path to C++ port (future) - Verified with full test suite
- Embed Metal sources into python module (removes runtime I/O) - Simplifies packaging (no data files to miss) - Unblocked path to C++ port (future) - Verified with full test suite