feat(knowledge): add FAQ Excel import export

web/messages/zh-CN.json

@@ -1893,33 +1893,41 @@
     "questionPlaceholder": "请输入标准问题",
     "answer": "答案",
     "answerPlaceholder": "请输入FAQ答案",
-    "similarQuestionsPlaceholder": "一行一个相似问题"
-    ,"fileEmpty": "文件内容为空",
-    "missingFAQColumns": "导入模板缺少 question/answer 列",
-    "skipRowMissingFAQ": "第 {row} 行缺少问题或答案，已跳过",
-    "importNoRows": "没有可导入的FAQ记录",
-    "parsedFAQRows": "已解析 {count} 条FAQ",
-    "parseImportFailed": "解析导入文件失败",
+    "similarQuestionsPlaceholder": "一行一个相似问题",
     "importRowFailed": "第 {row} 行：{message}",
     "importFailed": "导入失败",
-    "importSuccess": "成功导入 {count} 条FAQ",
-    "importSomeFailed": "有 {count} 条FAQ导入失败",
     "importFAQTitle": "导入FAQ",
-    "importFAQDescription": "上传 CSV 文件批量导入 FAQ。必填列为 question、answer；similarQuestions 使用 | 或换行分隔。",
+    "importFAQDescription": "上传 Excel 文件批量导入 FAQ。必填列为标准问题和答案；相似问在同一个单元格内一行一个。",
     "downloadTemplate": "下载模板",
+    "downloadTemplateFailed": "下载模板失败",
     "importing": "导入中...",
     "startImport": "开始导入",
-    "startImportWithCount": "开始导入 ({count})",
     "importFile": "导入文件",
     "chooseFile": "选择文件",
-    "importFileDescription": "支持 UTF-8 编码的 CSV 或制表符文本文件。",
+    "importFileDescription": "仅支持 .xlsx 文件。",
     "currentFile": "当前文件：{name}",
     "importHint": "导入提示",
-    "importPreview": "导入预览",
-    "rowNumber": "第 {row} 行",
-    "similarQuestionShort": "相似问：{value}",
+    "importXlsxHint": "模板列为标准问题、答案、相似问、备注；相似问请在单元格内一行填写一个。",
+    "importXlsxOnly": "仅支持 .xlsx 文件",
+    "importMode": "导入模式",
+    "selectImportMode": "请选择导入模式",
+    "searchImportMode": "搜索导入模式",
+    "emptyImportMode": "没有可用的导入模式",
+    "importModeAppend": "追加导入",
+    "importModeOverwrite": "覆盖导入",
+    "importModeAppendDescription": "只新增不存在的标准问题；已存在的标准问题会跳过。",
+    "importModeOverwriteDescription": "按标准问题匹配并更新已存在 FAQ；不存在的标准问题会新增。",
+    "importResult": "导入结果",
+    "importTotal": "总行数",
+    "importCreated": "新增",
+    "importUpdated": "更新",
+    "importSkipped": "跳过",
+    "importFailedCount": "失败",
+    "importFAQResultToast": "新增 {created}，更新 {updated}，跳过 {skipped}，失败 {failed}",
+    "exportFAQ": "导出FAQ",
+    "exportFAQSuccess": "FAQ 导出已开始下载",
+    "exportFAQFailed": "导出 FAQ 失败",
     "none": "无",
-    "previewAfterUpload": "上传文件后可预览前 5 条FAQ",
     "allChannels": "全部渠道",
     "channelIM": "客服会话",
     "channelAgentAssist": "客服助手",