eecd846df9
- User Defined Functions: register/call/deregister, stdlib (math, string, type conversion, array) - SIMD vector operations: unrolled dot product, L2, cosine, manhattan, normalize, batch distance - TopK and batch distance for vector search - Performance benchmarks (LSM, B-Tree, HNSW, FTS, Graph) - All roadmap phases marked complete except cluster/optimizations tail - 26 new tests (162 total, all passing)