fix: install Go and Node in CI verify job (runner-slim is Alpine, lacks toolchain)

.gitea/workflows/main.yaml

@@ -12,6 +12,20 @@ jobs:
     steps:
       - name: Check out source
         uses: actions/checkout@v4
+      - name: Install Go and Node toolchain
+        run: |
+          apk add --no-cache nodejs npm
+          # Try the packaged Go first; fall back to the official tarball if it's < 1.24
+          apk add --no-cache go 2>/dev/null || true
+          if ! go version 2>/dev/null | grep -qE "go1\.(2[4-9]|[3-9][0-9])"; then
+            apk add --no-cache wget
+            wget -q https://go.dev/dl/go1.24.5.linux-amd64.tar.gz -O /tmp/go.tgz
+            rm -rf /usr/local/go && tar -C /usr/local -xzf /tmp/go.tgz
+            ln -sf /usr/local/go/bin/go /usr/bin/go
+          fi
+          go version
+          node --version
+          npm --version
       - name: Test Go
         run: go test ./...
       - name: Install frontend dependencies