fix(ci): bootstrap release upload CLIs (#8144)

fix(ci): bootstrap release upload CLIs on self-hosted runners

.github/workflows/build.yml

@@ -726,12 +726,33 @@ jobs:
           fi
 
           # The self-hosted Linux runners do not ship the aws CLI (GitHub-hosted
-          # images did). Install it on demand so R2 uploads survive a fresh runner
-          # instead of hard-failing here.
+          # images did). Install the official CLI bundle on demand so R2 uploads
+          # survive a fresh runner without relying on a distro package.
           if ! command -v aws >/dev/null 2>&1; then
             echo "aws CLI not found on runner; installing..."
             if command -v apt-get >/dev/null 2>&1; then
-              sudo apt-get update && sudo apt-get install -y awscli
+              aws_arch="$(uname -m)"
+              case "$aws_arch" in
+                x86_64) aws_arch="x86_64" ;;
+                aarch64|arm64) aws_arch="aarch64" ;;
+                *)
+                  echo "❌ Unsupported Linux architecture for AWS CLI: $aws_arch"
+                  exit 1
+                  ;;
+              esac
+
+              aws_install_root="${RUNNER_TEMP:-$PWD}/aws-cli"
+              rm -rf "$aws_install_root"
+              mkdir -p "$aws_install_root"
+              curl --fail --location --retry 3 \
+                "https://awscli.amazonaws.com/awscli-exe-linux-${aws_arch}.zip" \
+                --output "$aws_install_root/awscliv2.zip"
+              unzip -q "$aws_install_root/awscliv2.zip" -d "$aws_install_root"
+              "$aws_install_root/aws/install" \
+                --install-dir "$aws_install_root/aws-cli" \
+                --bin-dir "$aws_install_root/bin"
+              export PATH="$aws_install_root/bin:$PATH"
+              aws --version
             elif command -v brew >/dev/null 2>&1; then
               brew install awscli
             else

.github/workflows/functional-chain-health.yml

@@ -17,6 +17,38 @@ jobs:
       - uses: actions/checkout@f548e57e544e1ff5a4c46bf1e1b8685f8e4a348a # v7
         with:
           persist-credentials: false
+      - name: Ensure GitHub CLI
+        shell: bash
+        run: |
+          if command -v gh >/dev/null 2>&1; then
+            gh --version
+            exit 0
+          fi
+
+          gh_version="2.101.0"
+          case "$(uname -m)" in
+            x86_64) gh_arch="amd64" ;;
+            aarch64|arm64) gh_arch="arm64" ;;
+            *)
+              echo "Unsupported Linux architecture for GitHub CLI: $(uname -m)" >&2
+              exit 1
+              ;;
+          esac
+
+          gh_install_root="${RUNNER_TEMP:-$PWD}/gh-cli"
+          rm -rf "$gh_install_root"
+          mkdir -p "$gh_install_root/bin"
+          archive="$gh_install_root/gh.tar.gz"
+          curl --fail --location --retry 3 \
+            "https://github.com/cli/cli/releases/download/v${gh_version}/gh_${gh_version}_linux_${gh_arch}.tar.gz" \
+            --output "$archive"
+          tar -xzf "$archive" -C "$gh_install_root"
+          install -m 0755 \
+            "$gh_install_root/gh_${gh_version}_linux_${gh_arch}/bin/gh" \
+            "$gh_install_root/bin/gh"
+          echo "$gh_install_root/bin" >> "$GITHUB_PATH"
+          export PATH="$gh_install_root/bin:$PATH"
+          gh --version
       - name: Collect and publish verified chain health
         env:
           GH_TOKEN: ${{ secrets.PF_TESTING_GH_TOKEN }}