Live sync JSON documents over Iroh

docs/architecture.md

@@ -153,7 +153,12 @@ exposed to remote peers.
 `geth-document` currently registers local document resources and stores
 validated JSON state in the local SQLite metadata store through
 `document create/status/set/get`. This is a bootstrap editing surface, not yet
-Automerge CRDT state. Automerge state encoding and sync are future work.
+Automerge CRDT state. `geth document sync <node-id> <name>` can pull remote JSON
+state over the protected Iroh control ALPN when the peer grants `document.read`
+on `resource:document:<name>`. The daemon background live-sync loop runs the same
+sync for local documents and known peers using per-peer/per-document cursors.
+The import rule is last-writer-wins by document timestamp. Automerge state
+encoding and sync are future work.
 
 `geth-pubsub` currently supports local publish/subscribe snapshots through the
 daemon control protocol. Messages live in a bounded in-memory ring buffer and

docs/roadmap.md

@@ -390,12 +390,17 @@ Automerge documents.
     state.
   - `[x]` Tests cover create, update, save, and reload of local JSON document
     state.
+  - `[x]` `geth document sync <node-id> <name>` pulls authorized JSON state
+    from an imported peer over Iroh.
+  - `[x]` Background live-sync refreshes local JSON documents from known peers
+    using per-peer/per-document cursors.
   - `[ ]` Automerge document state is stored durably.
   - `[ ]` Tests cover Automerge create, update, save, and reload.
 
 - `[ ]` Automerge sync over Iroh.
   Acceptance criteria:
-  - Two local test nodes can synchronize document changes.
+  - `[x]` Bootstrap JSON last-writer-wins sync works across two local test
+    nodes over Iroh.
   - Resource authorization gates read/write sync.
   - Conflicts converge according to Automerge semantics.