ci: isolate OMP workflow verification (#2382)

Co-authored-by: jan <jan@w-saxs001.local>

.github/workflows/ci.yml

@@ -171,6 +171,28 @@ jobs:
         run: node scripts/ci/validate-no-personal-paths.js
         continue-on-error: false
 
+  python-tests:
+    name: Python Tests
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        with:
+          persist-credentials: false
+
+      - name: Setup Python
+        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+        with:
+          python-version: '3.11'
+
+      - name: Install Python dependencies
+        run: python -m pip install --upgrade pip && python -m pip install -e '.[dev]'
+
+      - name: Run Python tests
+        run: python -m pytest tests/test_*.py -m "not integration"
+
   security:
     name: Security Scan
     runs-on: ubuntu-latest
@@ -246,8 +268,5 @@ jobs:
       - name: Install dependencies
         run: npm ci --ignore-scripts
 
-      - name: Run ESLint
-        run: npx eslint scripts/**/*.js tests/**/*.js
-
-      - name: Run markdownlint
-        run: npx markdownlint "agents/**/*.md" "skills/**/*.md" "commands/**/*.md" "rules/**/*.md"
+      - name: Run lint
+        run: npm run lint