Upstream Bitnami vector.so was built -march=native on an AVX-512 host;
vector_norm's EVEX AVX-512 (vextractf64x2/vcvtusi2sd) SIGILLs the Ryzen
3950X during hnsw/ivfflat index builds, crashing the shared postgres.
infra/images/postgresql.Dockerfile rebuilds pgvector -march=x86-64-v3
FROM the mirror; compose + deploy.sh build fhirworx/postgresql:pgvector.
HNSW verified on the 15852-vector pilot (~2s, index scan). Flip
[llm].build_ann_index default to true.