Merge branch 'staging' into dev

.github/workflows/auto-merge-staging-into-main.yml

@@ -2,7 +2,7 @@ name: Auto Merge Staging into Main
 
 on:
   schedule:
-    - cron: '0 2 * * *'  # 2:00 UTC = 4:00 CET
+    - cron: '0 2 * * *'  # 2:00 UTC = 4:00 Europäische Zeit
   workflow_dispatch:
 
 jobs:
@@ -27,17 +27,29 @@ jobs:
       - name: Check if main has commits not in staging
         id: check
         run: |
-          if ! git merge-base --is-ancestor origin/staging origin/main; then
-            echo "Main hat neuere Commits als Staging. Merge wird abgebrochen."
+          git fetch origin
+          if [ $(git rev-list --count origin/staging..origin/main) -gt 0 ]; then
+            echo "❌ Staging is behind main and requires manual merging."
             exit 1
           fi
 
-      - name: Merge staging into main
-        if: steps.check.outcome == 'success'
+      - name: Create PR from staging to main
+        id: create_pr
         run: |
-          git checkout main
-          git merge origin/staging --no-ff --no-edit
-          git push origin main
+          PR_URL=$(gh pr create --base main --head staging --title "Auto-merge staging into main" --body "This PR was created automatically by GitHub Actions. It merges the latest \`staging\` into \`main\`.")
+          echo "PR_URL=$PR_URL" >> $GITHUB_OUTPUT
+          PR_NUMBER=$(echo $PR_URL | awk -F'/' '{print $NF}')
+          echo "PR_NUMBER=$PR_NUMBER" >> $GITHUB_OUTPUT
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Enable auto-merge on PR
+        if: steps.create_pr.outputs.PR_NUMBER != ''
+        run: |
+          gh pr merge ${{ steps.create_pr.outputs.PR_NUMBER }} --merge --auto
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
 
   notify_failure:
     needs: merge
@@ -49,4 +61,16 @@ jobs:
           curl -H "Content-Type: application/json" \
           -X POST \
           -d "{\"content\": \"🚨 Auto-Merge fehlgeschlagen! Bitte manuell prüfen: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}\"}" \
+          ${{ secrets.DISCORD_WEBHOOK_URL }}
+
+  notify_success:
+    needs: merge
+    if: success()
+    runs-on: ubuntu-latest
+    steps:
+      - name: Send Discord notification on success
+        run: |
+          curl -H "Content-Type: application/json" \
+          -X POST \
+          -d "{\"content\": \"✅ Auto-Merge ausgeführt! Ergebnis jetzt auf [GitHub](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}) und [online-energieausweis.org](https://online-energieausweis.org) einsehen.\"}" \
           ${{ secrets.DISCORD_WEBHOOK_URL }}

.github/workflows/dev-pipeline.yml

@@ -1,8 +1,6 @@
 name: Development Pipeline
 
 on:
-  pull_request:
-    branches: [dev]
   push:
     branches: [dev]
 

.github/workflows/prevent-wrong-pr.yml

@@ -9,7 +9,7 @@ on:
 jobs:
   check-pr:
     runs-on: ubuntu-latest
-    name: Validate Pull Request Source
+    name: Validate Pull Request Sources
     steps:
       - name: Prevent dev merges
         run: |