storage physical storage architecture for bbg. the signal log is the primary data — all state is derived from deterministic replay. a [shared Database owner](/soft3/bbg/specs/database) backs durable shard and application views. the working profile uses fjall on SSD; optional archival storage uses…

storage API Reference for `bbg::storage::*`. The canonical contract is [storage](/soft3/bbg/specs/storage); implementation and failure-test evidence live in the [durable shard storage audit](/soft3/bbg/audit/durable-shard-storage). `ShardStore` stores dimension/key/value shards. `TieredStore`…

storage