# Architecture decisions

- [HTTPX2 transport boundary](0001-httpx2-transport.md)
- [Native sync and async](0002-native-sync-async.md)
- [Provider and fetcher model](0003-provider-fetcher.md)
- [Bronze, Silver, and Gold](0004-medallion.md)
- [Canonical financial naming](0005-canonical-naming.md)
- [Storage abstraction](0006-storage.md)
- [Schema versioning](0007-schema-versioning.md)
- [Hard public API replacement](0008-hard-api-replacement.md)
- [Endpoint verification policy](0010-endpoint-verification.md)
- [Progress event architecture](0011-progress-events.md)