velocity-hive-common v0.1.0 First taggable release of the extracted Hive primitives crate. Pinning rev for the bridge sibling's bridge-hive consumption per their request in siblings-comms/blockchain/velocity-hive-common-shipped-acked.md. Includes: - tx: HiveTransaction + binary serializer + varint/string helpers - sign: PostingKey + WIF + canonical-signature retry loop - client: sync HiveClient (default) - client_async: HiveAsyncClient behind the `async` feature flag 41 unit tests passing across both feature configurations.