把向量检索，收进一个二进制。

# 1 · 启动：HTTP :7000 / pgwire :5432
git clone https://github.com/houyidb-community/houyidb.git
cd houyidb
docker compose up -d
curl -sS --noproxy '*' http://127.0.0.1:7000/v1/health
# {"status":"ok"}

# 2 · 写入（collection 首次写入自动创建，维度自适应）
curl -sS --noproxy '*' -X POST \
  http://127.0.0.1:7000/v1/collections/goods/upsert \
  -H 'Content-Type: application/json' -d '{
  "vectors": [
    {"id":1,"values":[0.92,0.88,0.06,0.05,0.05,0.04,0.05,0.05],"label":"fruit","payload":{"name":"apple"}},
    {"id":2,"values":[0.05,0.04,0.92,0.90,0.06,0.05,0.05,0.04],"label":"electronics","payload":{"name":"laptop"}},
    {"id":3,"values":[0.04,0.05,0.05,0.06,0.90,0.92,0.05,0.04],"label":"book","payload":{"name":"rust-book"}}
  ]}'
# {"inserted":3}

# 3 · 检索
curl -sS --noproxy '*' -X POST \
  http://127.0.0.1:7000/v1/collections/goods/search \
  -H 'Content-Type: application/json' \
  -d '{"vector":[0.90,0.85,0.05,0.05,0.05,0.05,0.05,0.05],"k":3}'
# {"ids":[...],"scores":[...]}