feat: add YAML-first source workspace host deps

config/hwlab-node-lanes.yaml

@@ -787,12 +787,39 @@ lanes:
           requiredCommands:
             - git
             - node
+            - npm
+            - npx
           requiredFiles:
             - AGENTS.md
             - package.json
             - package-lock.json
             - scripts/src/browser-launcher.mjs
             - scripts/web-live-dom-probe.mjs
+          hostDependencies:
+            checkCommands:
+              - git
+              - node
+              - npm
+              - npx
+            stateDir: /var/lib/unidesk/hwlab-source-workspace
+            install:
+              timeoutSeconds: 300
+              command: |
+                set -eu
+                . /etc/unidesk/proxy.env 2>/dev/null || true
+                export HTTP_PROXY HTTPS_PROXY ALL_PROXY NO_PROXY http_proxy https_proxy all_proxy no_proxy
+                npm_version=11.17.0
+                tmp_dir=$(mktemp -d)
+                trap 'rm -rf "$tmp_dir"' EXIT
+                curl -fsSL --retry 3 --connect-timeout 20 --max-time 300 "https://registry.npmmirror.com/npm/-/npm-${npm_version}.tgz" -o "$tmp_dir/npm.tgz"
+                mkdir -p /usr/local/lib/node_modules
+                rm -rf /usr/local/lib/node_modules/npm
+                tar -xzf "$tmp_dir/npm.tgz" -C "$tmp_dir"
+                mv "$tmp_dir/package" /usr/local/lib/node_modules/npm
+                ln -sfn /usr/local/lib/node_modules/npm/bin/npm-cli.js /usr/local/bin/npm
+                ln -sfn /usr/local/lib/node_modules/npm/bin/npx-cli.js /usr/local/bin/npx
+                npm --version
+                npx --version
           install:
             dependencyCommand: npm install --package-lock=false --ignore-scripts --no-audit --no-fund playwright@1.59.1
             browserCommand: PLAYWRIGHT_BROWSERS_PATH=0 npx playwright install chromium