Build the daemon with Rust 1.97

Dependencies now ship edition 2024, which Cargo 1.83 refuses to parse:

  feature `edition2024` is required
  ... not stabilized in this version of Cargo (1.83.0)

The pin lived in two places and both had to move, or the daemon image
would have failed the same way the CI job did.

.github/workflows/ci.yml

@@ -10,7 +10,10 @@ on:
 env:
   NODE_VERSION: "20"
   PNPM_VERSION: "9.15.4"
-  RUST_TOOLCHAIN: "1.83"
+  # 1.85 is the floor: dependencies now ship edition 2024, which older
+  # Cargo refuses to even parse. Keep this in step with the toolchain
+  # pinned in apps/daemon/Dockerfile.
+  RUST_TOOLCHAIN: "1.97"
 
 jobs:
   # --- Lint + TypeScript Check ---

apps/daemon/Dockerfile

@@ -1,4 +1,4 @@
-FROM rust:1.83-bookworm AS build
+FROM rust:1.97-bookworm AS build
 
 # Install protoc
 RUN apt-get update && apt-get install -y protobuf-compiler && rm -rf /var/lib/apt/lists/*