Build: NX Cloud vs CircleCI evaluation experiment

.cursor/mcp.json

@@ -1,10 +1,8 @@
 {
   "mcpServers": {
-    "wallaby": {
-      "command": "node",
-      "args": [
-        "~/.wallaby/mcp/"
-      ]
+    "nx-mcp": {
+      "command": "npx",
+      "args": ["nx", "mcp"]
     }
   }
-}
+}

.github/workflows/nx.yml

@@ -10,6 +10,15 @@ on:
   schedule:
     - cron: '0 23 * * *'
 
+concurrency:
+  # Per-PR queue: consecutive pushes to the same PR queue behind an
+  # in-progress run (cancel-in-progress: false). This protects against NX
+  # Cloud's self-cancellation behaviour — we never start a new CIPE on a
+  # branch while the previous one is still running, so nothing gets
+  # auto-cancelled mid-flight. Different PRs keep their own queues.
+  group: nx-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: false
+
 permissions:
   actions: read
   contents: read

.gitignore

@@ -80,4 +80,5 @@ CLAUDE.local.md
 .vscode/mcp.json
 .mcp.json
 .nx/polygraph
-.omc
+.omc
+scripts/ci-eval.db

.nx/workflows/agents.yaml

@@ -52,7 +52,12 @@ linux-browsers-init-steps: &linux-browsers-init-steps
       rm -f ~/.yarn/berry/cache/@storybook-*.zip 2>/dev/null || true
   - name: Install Browsers
     script: |
-      yarn exec playwright install chromium --with-deps
+      # Intentionally no --with-deps: the NX base image already carries enough
+      # X/audio/font libraries for Chromium to launch, and --with-deps forces
+      # apt-get update which frequently races against Ubuntu mirror sync and
+      # fails the whole CIPE. If Chromium starts erroring with missing .so
+      # files, revert to --with-deps or switch to a pre-baked image.
+      yarn exec playwright install chromium
   - name: Verify
     script: |
       echo "node:         $(node --version)"
@@ -77,7 +82,7 @@ launch-templates:
     init-steps: *linux-init-steps
     env: *common-env-vars
   linux-browsers-js:
-    resource-class: 'docker_linux_amd64/extra_large+'
+    resource-class: 'docker_linux_amd64/medium+'
     image: 'ubuntu22.04-node20.19-v2'
     init-steps: *linux-browsers-init-steps
     env: *common-env-vars

nx.json

@@ -205,5 +205,5 @@
     ]
   },
   "analytics": false,
-  "codexCacheBust": "2026-03-23T12:57:22Z"
+  "codexCacheBust": "2026-04-17T00:00:00Z"
 }

package.json

@@ -61,15 +61,15 @@
     "typescript": "^5.9.3"
   },
   "devDependencies": {
-    "@nx/workspace": "^22.6.1",
+    "@nx/workspace": "^22.6.5",
     "@playwright/test": "^1.58.2",
     "@types/kill-port": "^2.0.3",
     "http-server": "^14.1.1",
     "husky": "^9.1.7",
     "jiti": "^2.6.1",
     "kill-port": "^2.0.1",
     "lint-staged": "^16.4.0",
-    "nx": "^22.6.1",
+    "nx": "^22.6.5",
     "oxfmt": "^0.41.0",
     "std-env": "^4.0.0",
     "vite": "^7.0.4",