Pure Rust client for Hyper database with async/sync connections,
Arrow integration, gRPC transport, and Salesforce Data Cloud auth.

Crates:
  - hyperdb-api: public API (connections, queries, inserters, Arrow)
  - hyperdb-api-core: internal protocol and type plumbing
  - hyperdb-api-salesforce: OAuth 2.0 for Salesforce Data Cloud
  - hyperdb-mcp: MCP server for LLM-driven SQL analytics
  - hyperdb-bootstrap: hyperd binary downloader
  - sea-query-hyperdb: sea-query SQL dialect backend

Pre-release — the public API may still change before 0.1.0.