Fix release workflow: replace actions/checkout with direct curl download

Runner cannot resolve internal 'gitea' hostname. Download source archive
from external URL git.wende.it instead. Also replace release-action with
direct Gitea API calls to avoid the same DNS issue.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitea/workflows/release.yml

@@ -10,8 +10,21 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Code auschecken
-        uses: actions/checkout@v4
+      - name: Code herunterladen
+        run: |
+          VERSION="${{ github.ref_name }}"
+          curl -sSL -H "Authorization: token ${{ secrets.RELEASE_TOKEN }}" \
+            -o source.tar.gz \
+            "https://git.wende.it/marco/WitShop/archive/${VERSION}.tar.gz"
+          tar xzf source.tar.gz
+          # Gitea entpackt in einen Unterordner WitShop-{version}/
+          SRCDIR=$(tar tzf source.tar.gz 2>/dev/null | head -1 | cut -d/ -f1 || true)
+          if [ -n "$SRCDIR" ] && [ -d "$SRCDIR" ]; then
+            mv "$SRCDIR"/* . 2>/dev/null || true
+            mv "$SRCDIR"/.[!.]* . 2>/dev/null || true
+            rmdir "$SRCDIR" 2>/dev/null || true
+          fi
+          rm -f source.tar.gz
 
       - name: Node.js einrichten
         uses: actions/setup-node@v4
@@ -51,19 +64,32 @@ jobs:
           echo "VERSION=$VERSION" >> $GITHUB_ENV
 
       - name: Release in Gitea veröffentlichen
-        uses: https://gitea.com/actions/release-action@main
-        with:
-          files: ${{ env.PACKAGE }}
-          api_key: ${{ secrets.RELEASE_TOKEN }}
-          title: "WITshop ${{ env.VERSION }}"
-          body: |
-            ## WITshop ${{ env.VERSION }}
+        run: |
+          # Release erstellen (oder existierenden verwenden)
+          RELEASE_ID=$(curl -sSL -H "Authorization: token ${{ secrets.RELEASE_TOKEN }}" \
+            "https://git.wende.it/api/v1/repos/marco/WitShop/releases/tags/${{ github.ref_name }}" \
+            | python3 -c "import sys,json; d=json.load(sys.stdin); print(d.get('id',''))" 2>/dev/null || true)
 
-            ### Installation (Erstinstallation)
-            1. ZIP herunterladen und auf den Server entpacken
-            2. `install.sh` ausführen: `bash install.sh`
-            3. Fertig
+          if [ -z "$RELEASE_ID" ]; then
+            RELEASE_ID=$(curl -sSL -X POST \
+              -H "Authorization: token ${{ secrets.RELEASE_TOKEN }}" \
+              -H "Content-Type: application/json" \
+              "https://git.wende.it/api/v1/repos/marco/WitShop/releases" \
+              -d "{
+                \"tag_name\": \"${{ github.ref_name }}\",
+                \"name\": \"WITshop ${{ github.ref_name }}\",
+                \"body\": \"## WITshop ${{ github.ref_name }}\n\n### Installation (Erstinstallation)\n1. ZIP herunterladen und auf den Server entpacken\n2. \`install.sh\` ausführen: \`bash install.sh\`\n3. Fertig\n\n### Update (bestehende Installation)\n1. ZIP herunterladen und auf den Server entpacken\n2. \`update.sh\` ausführen: \`bash update.sh\`\",
+                \"draft\": false,
+                \"prerelease\": false
+              }" | python3 -c "import sys,json; print(json.load(sys.stdin)['id'])")
+          fi
 
-            ### Update (bestehende Installation)
-            1. ZIP herunterladen und auf den Server entpacken
-            2. `update.sh` ausführen: `bash update.sh`
+          echo "Release ID: $RELEASE_ID"
+
+          # ZIP anhängen
+          curl -sSL -X POST \
+            -H "Authorization: token ${{ secrets.RELEASE_TOKEN }}" \
+            -F "attachment=@${{ env.PACKAGE }}" \
+            "https://git.wende.it/api/v1/repos/marco/WitShop/releases/${RELEASE_ID}/assets?name=${{ env.PACKAGE }}"
+
+          echo "ZIP erfolgreich hochgeladen: ${{ env.PACKAGE }}"