Add Rust toolchain to build-frontend stage

.forgejo/workflows/ci.yml

@@ -208,12 +208,30 @@ jobs:
           echo "=== Inode info ==="
           df -i /home/ci-service /tmp /var/tmp 2>/dev/null || df -i /tmp /var/tmp
 
-      - name: Install wasm-pack
+      - name: Install Rust toolchain and wasm-pack
         run: |
-          which wasm-pack || cargo install wasm-pack
+          # Install Rust using rustup
+          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+          source $HOME/.cargo/env
+
+          # Install wasm32 target
+          rustup target add wasm32-unknown-unknown
+
+          # Configure cargo registry for sharenet-sh-forgejo
+          cat > $HOME/.cargo/config.toml << EOF
+[registries.sharenet-sh-forgejo]
+index = "sparse+https://${{ secrets.REGISTRY_HOST }}/api/packages/${{ github.repository }}/cargo/index/"
+
+[net]
+git-fetch-with-cli = true
+EOF
+
+          # Install wasm-pack
+          cargo install wasm-pack
 
       - name: Build WASM module
         run: |
+          source $HOME/.cargo/env
           cd frontend/wasm
           wasm-pack build --target web