Add API benchmark smoke workflow

Author: s0584273828-ctrl

.github/workflows/api-benchmark-smoke.yml

@@ -0,0 +1,23 @@
+name: API Benchmark Smoke
+
+on:
+  pull_request:
+    paths:
+      - "apps/api/**"
+      - "benchmarks/**"
+      - "package.json"
+      - "package-lock.json"
+      - ".github/workflows/api-benchmark-smoke.yml"
+
+jobs:
+  smoke:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 24
+          cache: npm
+      - run: npm ci
+      - run: npm run benchmark:smoke