diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index a556d5d..0309a56 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -3,36 +3,49 @@ name: 🚀 MerphDev — Pipeline CI/CD
 on:
   push:
     branches: [main]
+
   pull_request:
     branches: [main]
+
   schedule:
-    - cron: '0 0 * * 1'        # Every Monday at midnight — weekly check
+    - cron: '0 0 * * 1'
 
 jobs:
-  # ─── JOB 1: STRUCTURE VALIDATION ───
+
+# ─── JOB 1 ───
   validate:
+
     name: ✅ Validate project structure
     runs-on: ubuntu-latest
+
     steps:
+
       - name: Checkout code
         uses: actions/checkout@v4
 
       - name: Check required files exist
         run: |
+
           echo "Checking project structure..."
+
           required_files=(
             "README.md"
+
             "learning-paths/cybersecurity.md"
             "learning-paths/ai-ml.md"
             "learning-paths/devops-cloud.md"
             "learning-paths/web-fullstack.md"
             "learning-paths/git-github.md"
+
             "certifications/README.md"
-            "notes/README.md"
+            "notebooks/README.md"
             "models/README.md"
+
             "docs/ROADMAP.md"
           )
+
           all_ok=true
+
           for file in "${required_files[@]}"; do
             if [ ! -f "$file" ]; then
               echo "❌ MISSING: $file"
@@ -41,11 +54,13 @@ jobs:
               echo "✅ OK: $file"
             fi
           done
+
           if [ "$all_ok" = false ]; then
-            echo "❌ Validation failed — missing files"
+            echo "❌ Validation failed"
             exit 1
           fi
-          echo "✅ All structure is valid"
+
+          echo "✅ Structure OK"
 
       - name: Validate Markdown syntax
         uses: DavidAnson/markdownlint-cli2-action@v16
@@ -53,82 +68,118 @@ jobs:
           args: --config .markdownlint.json .
         continue-on-error: true
 
-  # ─── JOB 2: LINK CHECKING ───
+
+# ─── JOB 2 ───
   check-links:
+
     name: 🔗 Check external links
     runs-on: ubuntu-latest
+    needs: validate
+
     steps:
+
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Install link checking tool
+      - name: Install tool
         run: npm install -g markdown-link-check
 
-      - name: Check links in all Markdown files
+      - name: Check links
         run: |
-          echo "Checking external links..."
-          find . -name "*.md" -not -path "./node_modules/*" | while read file; do
-            echo "─── Checking: $file ───"
-            markdown-link-check "$file" --config .linkcheck.json || true
-          done
 
-  # ─── JOB 3: REPORT GENERATION ───
+          echo "Checking links..."
+
+          find . -name "*.md" \
+            -not -path "./node_modules/*" \
+            | while read file; do
+
+              echo "Checking: $file"
+
+              markdown-link-check "$file" \
+              --config .linkcheck.json \
+              || true
+
+            done
+
+
+# ─── JOB 3 ───
   report:
+
     name: 📊 Generate progress report
     runs-on: ubuntu-latest
     needs: validate
+
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
 
-      - name: Setup Python
-        uses: actions/setup-python@v5
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
         with:
           python-version: '3.11'
 
       - name: Generate report
         run: |
+
           python3 << 'EOF'
-          import os, json
-          from datetime import datetime
-          report = {
-              "generated_at": datetime.now().isoformat(),
-              "project": "MerphDev Learning and Certifications",
-              "statistics": {}
-          }
-          # Count Markdown files per directory
-          dirs_to_scan = ["learning-paths", "certifications", "notes", "models", "docs"]
-          for d in dirs_to_scan:
-              if os.path.exists(d):
-                  md_files = [f for f in os.listdir(d) if f.endswith('.md')]
-                  report["statistics"][d] = len(md_files)
-          with open("docs/latest-report.json", "w") as f:
-              json.dump(report, f, indent=2)
-          print("✅ Report generated:", json.dumps(report, indent=2))
-          EOF
-
-      - name: Upload report as artifact
-        uses: actions/upload-artifact@v4
+
+import os, json
+from datetime import datetime
+
+report = {
+  "generated_at": datetime.now().isoformat(),
+  "project": "MerphDev",
+  "statistics": {}
+}
+
+dirs = [
+"learning-paths",
+"certifications",
+"notebooks",
+"models",
+"docs"
+]
+
+for d in dirs:
+    if os.path.exists(d):
+        md_files = [
+            f for f in os.listdir(d)
+            if f.endswith('.md')
+        ]
+        report["statistics"][d] = len(md_files)
+
+os.makedirs("docs", exist_ok=True)
+
+with open("docs/latest-report.json","w") as f:
+    json.dump(report,f,indent=2)
+
+print("Report generated")
+
+EOF
+
+      - uses: actions/upload-artifact@v4
         with:
           name: progress-report
           path: docs/latest-report.json
 
-  # ─── JOB 4: DEPLOYMENT ───
+
+# ─── JOB 4 ───
   deploy:
+
     name: 🚀 Deploy to GitHub Pages
     runs-on: ubuntu-latest
     needs: [validate, report]
+
     if: github.ref == 'refs/heads/main'
+
     permissions:
       contents: write
+
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
 
-      - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v4
+      - uses: actions/checkout@v4
+
+      - uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./docs
-          publish_branch: gh-pages
-          commit_message: "docs: deploy latest documentation [CI/CD]"
+          publish_branch: gh-pages