feat: check and delete existing release before creating a new one

.gitea/workflows/deploy_call.yaml

@@ -79,6 +79,21 @@ jobs:
           TAG="${{ gitea.ref_name }}"
           API="${{ gitea.server_url }}/api/v1"
 
+          # 0. Check & Delete Existing Release
+          echo "=== 0. Check & Delete Existing Release ==="
+          EXISTING_RESP=$(curl -s -H "Authorization: token $TOKEN" "$API/repos/$REPO/releases/tags/$TAG")
+          EXISTING_ID=$(echo "$EXISTING_RESP" | grep -o '"id":[0-9]*' | head -n 1 | cut -d':' -f2 || true)
+
+          if [ -n "$EXISTING_ID" ] && [ "$EXISTING_ID" != "null" ]; then
+            echo "⚠️ Found existing release for tag $TAG with ID: $EXISTING_ID. Deleting..."
+            DELETE_RESP=$(curl -s -w "\n%{http_code}" -X DELETE -H "Authorization: token $TOKEN" "$API/repos/$REPO/releases/$EXISTING_ID")
+            echo "✅ Delete response: $DELETE_RESP"
+          else
+            echo "No existing release found for $TAG. Proceeding..."
+          fi
+
+          # 1. Create Release
+          echo "=== 1. Create New Release ==="
           JSON_BODY=$(printf '{"tag_name":"%s","name":"%s","body":"Release %s","draft":false,"prerelease":%s}' "$TAG" "$TAG" "$TAG" "${{ inputs.prerelease }}")
 
           RELEASE_RESP=$(curl -s -X POST \