fix: 修正 jq 指令

action.yml

@@ -161,14 +161,14 @@ runs:
         echo "需要刪除 $DELETE_COUNT 個舊映像"
         
         # 獲取要刪除的版本 (跳過前 keep-count 個)
-        TO_DELETE=$(echo "$SORTED_VERSIONS" | jq ".[${{ inputs.keep-count }}:]")
+        TO_DELETE=$(echo "$SORTED_VERSIONS" | jq -r ".[${{ inputs.keep-count }}:] | .[] | {id: .id, name: .name, created_at: .created_at}")
         
         # 初始化刪除計數器和列表
         DELETED_COUNT=0
         DELETED_LIST="[]"
         
         # 處理每個要刪除的版本
-        echo "$TO_DELETE" | jq -c '.[]' | while read -r version; do
+        echo "$TO_DELETE" | jq -c '.' | while read -r version; do
           if [ -z "$version" ] || [ "$version" = "null" ]; then
             continue
           fi