refactor(node): W1b-5 — seam dig_rpc, RpcDispatch trait/handle carve (#1285)

Cargo.toml

@@ -31,7 +31,7 @@ edition = "2021"
 # the ROOT manifest (`[workspace.package].version`), so it MUST be set here for a
 # release to fire (§3.6). The library crates (dig-node-core/dig-runtime/dig-wallet)
 # keep their own independent versions — only the released binary tracks the workspace version.
-version = "0.47.6"
+version = "0.47.7"
 
 # Release hardening, matching digstore: keep integer-overflow checks ON in release.
 # The node parses untrusted serialized input and does offset/length arithmetic over

crates/dig-node-core/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "dig-node-core"
-version = "0.13.6"
+version = "0.13.7"
 edition = "2021"
 license = "GPL-2.0-only"
 description = "The canonical DIG node ENGINE library (crate `dig_node_core`): the JSON-RPC dispatch (`handle_rpc`, the same contract as rpc.dig.net), local-first content serve/fetch/redirect from LOCAL .dig store modules (via digstore_host::serve_blind), chain-anchored-root resolution, chain-watch + subscriptions + generation gap-fill, the LRU cache, and the full P2P stack. Shared UNCHANGED by both host shells: the `dig-node` OS-service binary (dig-node-service) and the DIG Browser's in-process cdylib (dig-runtime). Native Rust so the compiled-module serve path works."

crates/dig-node-core/src/seams/dig_rpc/mod.rs

@@ -0,0 +1,8 @@
+//! Seam 4 — dig RPC server (#1285/#1303). Houses the [`RpcDispatch`] trait (the seam's public
+//! surface — the node-internal JSON-RPC dispatch, carved unchanged from `lib.rs`'s `handle_rpc`,
+//! #1285 W1b-5). The `dig-rpc-protocol` crate ADOPTION (replacing the hand-rolled match with the
+//! shared contract crate's dispatcher) is W3 — out of scope here.
+
+mod dispatch;
+
+pub use dispatch::RpcDispatch;

crates/dig-node-core/src/seams/mod.rs

@@ -8,3 +8,4 @@ pub mod capsule;
 pub mod chia_peer;
 pub mod content;
 pub mod dig_peer;
+pub mod dig_rpc;