huskies: merge 490_story_crdt_state_layer_backed_by_sqlite

CRDT state layer backed by SQLite for pipeline state. Integrates the
BFT JSON CRDT crate with SQLite persistence via sqlx. Ops are persisted
and replayed on startup. Node identity via Ed25519 keypair.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Cargo.toml

@@ -1,5 +1,5 @@
 [workspace]
-members = ["server"]
+members = ["server", "crates/bft-json-crdt"]
 resolver = "3"
 
 [workspace.dependencies]