chore: implement repo improvements plan (npm scripts, docs, catalog CI, i18n, validator)

- Add npm scripts: validate, validate:strict, index, readme, chain, catalog, build
- Align docs to V4 and 560 skills (GETTING_STARTED, FAQ, BUNDLES, MAINTENANCE, vietnamese)
- build-catalog: output to data/ for catalog, bundles, aliases; add to CI and drift check
- Add yaml dep, Node setup and catalog step in CI; extend auto-commit and drift msg
- Translate CI and MAINTENANCE to English; update CI_DRIFT_FIX and maintenance routine
- QUALITY_BAR/CONTRIBUTING: canonical validator npm run validate; legacy note in validate-skills.js

.github/workflows/ci.yml

@@ -37,6 +37,17 @@ jobs:
         run: |
           python3 scripts/update_readme.py
 
+      - name: Set up Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "lts/*"
+
+      - name: Install npm dependencies
+        run: npm install
+
+      - name: 📦 Build catalog
+        run: npm run catalog
+
       - name: Set up GitHub credentials (for auto-sync)
         if: github.event_name == 'push' && github.ref == 'refs/heads/main'
         run: |
@@ -47,12 +58,12 @@ jobs:
       - name: Auto-commit registry drift (main only)
         if: github.event_name == 'push' && github.ref == 'refs/heads/main'
         run: |
-          # Se non ci sono cambi, esci senza errore
+          # If no changes, exit successfully
           git diff --quiet && exit 0
 
-          git add README.md skills_index.json || true
+          git add README.md skills_index.json data/catalog.json data/bundles.json data/aliases.json CATALOG.md || true
 
-          # Se non c'è niente da committare, esci senza errore
+          # If nothing to commit, exit successfully
           git diff --cached --quiet && exit 0
 
           git commit -m "chore: sync generated registry files [ci skip]"
@@ -61,13 +72,12 @@ jobs:
       - name: 🚨 Check for Uncommitted Drift
         run: |
           if ! git diff --quiet; then
-            echo "❌ Detected uncommitted changes produced by registry/readme scripts."
+            echo "❌ Detected uncommitted changes produced by registry/readme/catalog scripts."
             echo
             echo "To fix locally, run the FULL Validation Chain, then commit and push:"
-            echo "  python3 scripts/validate_skills.py"
-            echo "  python3 scripts/generate_index.py"
-            echo "  python3 scripts/update_readme.py"
-            echo "  git add README.md skills_index.json"
+            echo "  npm run chain"
+            echo "  npm run catalog"
+            echo "  git add README.md skills_index.json data/catalog.json data/bundles.json data/aliases.json CATALOG.md"
             echo "  git commit -m \"chore: sync generated registry files\""
             echo "  git push"
             exit 1