fix(infra): correct registry data path and enable untagged manifest deletion

.gitea/workflows/maintenance.yml

@@ -0,0 +1,44 @@
+name: 🏥 Server Maintenance
+
+on:
+  schedule:
+    - cron: '0 3 * * *' # Every day at 3:00 AM
+  workflow_dispatch: # Allow manual trigger
+
+jobs:
+  maintenance:
+    name: 🧹 Prune & Clean
+    runs-on: docker
+    container:
+      image: catthehacker/ubuntu:act-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: 🚀 Execute Maintenance via SSH
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.SSH_KEY }}" > ~/.ssh/id_ed25519
+          chmod 600 ~/.ssh/id_ed25519
+          ssh-keyscan -H ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts 2>/dev/null
+
+          # Run the prune script on the host
+          # We transfer the script and execute it to ensure it matches the repo version
+          scp packages/infra/scripts/prune-registry.sh root@${{ secrets.SSH_HOST }}:/tmp/prune-registry.sh
+          ssh root@${{ secrets.SSH_HOST }} "bash /tmp/prune-registry.sh && rm /tmp/prune-registry.sh"
+
+      - name: 🔔 Notification - Success
+        if: success()
+        run: |
+          curl -s -k -X POST "${{ secrets.GOTIFY_URL }}/message?token=${{ secrets.GOTIFY_TOKEN }}" \
+            -F "title=🏥 Maintenance Complete" \
+            -F "message=Server-Wartung erfolgreich ausgeführt.\nRegistry & Docker Ressourcen bereinigt." \
+            -F "priority=2" || true
+
+      - name: 🔔 Notification - Failure
+        if: failure()
+        run: |
+          curl -s -k -X POST "${{ secrets.GOTIFY_URL }}/message?token=${{ secrets.GOTIFY_TOKEN }}" \
+            -F "title=❌ Maintenance FAILED" \
+            -F "message=Die automatische Server-Wartung ist fehlgeschlagen!\nBitte Logs prüfen." \
+            -F "priority=8" || true