build: track the server release this checkout is built for

Integration tests ran against whatever :latest happened to be, so a green run
said nothing about the wire contract in the pinned proto. Pin it, and move the
demo stack to the same release, which is the one carrying the path and
multi-vector wire types the client now decodes.

Author: polaz

.github/workflows/ci.yml

@@ -104,7 +104,11 @@ jobs:
     runs-on: ubuntu-latest
     services:
       coordinode:
-        image: ghcr.io/structured-world/coordinode:latest
+        # Pinned, not latest: the proto submodule pins a server version, and
+        # testing against whatever happens to be newest means a green run says
+        # nothing about the wire contract this checkout was built for. Bump it
+        # together with the submodule.
+        image: ghcr.io/structured-world/coordinode:0.5.3
         ports:
           - 7080:7080
           - 7084:7084

demo/README.md

@@ -15,10 +15,10 @@ Interactive notebooks for LlamaIndex, LangChain, and LangGraph integrations.
 > **Note:** First run installs `coordinode-embedded` from source (Rust build, ~5 min).
 > Subsequent runs use Colab's pip cache.
 > The embedded Colab install is pinned to a specific commit that bundles coordinode-rs v0.4.1; the Colab notebook links above target `main`.
-> The Docker Compose stack below uses the CoordiNode **server** image v0.5.2. Do not
+> The Docker Compose stack below uses the CoordiNode **server** image v0.5.3. Do not
 > pin it below that: 0.5.1 crashes its Raft core when the oplog rolls a segment that
 > already exists, and a single-node stack never regains leadership afterwards.
-
+>
 > **What 0.5 Added** needs a server: write concerns, read concerns and time travel
 > are distribution and durability features, and the embedded engine has neither Raft
 > nor replicas. Run it against the Docker Compose stack below.

demo/docker-compose.yml

@@ -3,7 +3,7 @@ services:
     # Keep version in sync with root docker-compose.yml. Point
     # COORDINODE_IMAGE at a locally built tag to try a server build before it
     # is published.
-    image: ${COORDINODE_IMAGE:-ghcr.io/structured-world/coordinode:0.5.2}
+    image: ${COORDINODE_IMAGE:-ghcr.io/structured-world/coordinode:0.5.3}
     container_name: demo-coordinode
     ports:
       - "127.0.0.1:37080:7080"   # gRPC (native API) — localhost-only

docker-compose.yml

@@ -7,7 +7,7 @@ version: "3.9"
 
 services:
   coordinode:
-    image: ghcr.io/structured-world/coordinode:0.5.2
+    image: ghcr.io/structured-world/coordinode:0.5.3
     # Named for this repository rather than plain `coordinode`: the server
     # repository runs its own compose stack that claims that name, and a bare
     # name is global to the daemon.