build: bump coordinode-rs to v0.3.17, regenerate proto stubs

- coordinode-rs submodule: v0.3.15 → v0.3.17
- proto submodule: advance to e1ab91d (write_concern/causal fields)
- docker-compose.yml, demo/docker-compose.yml: image 0.3.15 → 0.3.17
- demo/README.md: update version references to v0.3.17
- regenerate _proto stubs (tracked separately via make proto)

Author: polaz

coordinode-rs

@@ -13,8 +13,8 @@ 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 v0.3.15; the Colab notebook links above target `main`.
-> The Docker Compose stack below uses the CoordiNode **server** image v0.3.15.
+> The embedded Colab install is pinned to a specific commit that bundles coordinode-rs v0.3.17; the Colab notebook links above target `main`.
+> The Docker Compose stack below uses the CoordiNode **server** image v0.3.17.
 
 ## Run locally (Docker Compose)
 

demo/README.md

@@ -1,7 +1,7 @@
 services:
   coordinode:
     # Keep version in sync with root docker-compose.yml
-    image: ghcr.io/structured-world/coordinode:0.3.15
+    image: ghcr.io/structured-world/coordinode:0.3.17
     container_name: demo-coordinode
     ports:
       - "127.0.0.1:37080:7080"   # gRPC (native API) — localhost-only

demo/docker-compose.yml

@@ -7,7 +7,7 @@ version: "3.9"
 
 services:
   coordinode:
-    image: ghcr.io/structured-world/coordinode:0.3.15
+    image: ghcr.io/structured-world/coordinode:0.3.17
     container_name: coordinode
     ports:
       - "7080:7080"   # gRPC