feat: 完善知识库批量导入与公共 API

- 新增批量异步导入、状态查询、失败重试与中断恢复链路

- 拆分知识库读取、导入、维护权限并完善 Public API 契约

- 补充数据库迁移、管理端交互、接口说明与相关测试

easyflow-ui-admin/app/src/locales/langs/zh-CN/documentCollection.json

@@ -78,6 +78,50 @@
     "fileName": "文件名称",
     "progressUpload": "文件上传进度",
     "fileSize": "文件大小",
+    "batchUploadTitle": "点击选择文件，或将文件拖到这里上传",
+    "batchUploadDescription": "支持 TXT、PDF、DOCX、MD、PPTX、XLSX；单个文件不超过 100MB，文件夹总大小不超过 1GB。",
+    "batchUploadTip": "上传完成后，可选择手动导入或自动导入。",
+    "selectFolder": "选择文件夹",
+    "manualImport": "手动导入",
+    "autoImport": "自动导入",
+    "autoImportTip": "自动完成解析、分块、向量化和入库，无需逐篇确认。",
+    "manualImportStarted": "文档已进入列表，解析完成后可继续选择分块策略",
+    "autoImportStarted": "自动导入已开始",
+    "uploadCompleteFirst": "请等待所有文件上传完成",
+    "uploaded": "已上传",
+    "uploading": "上传中",
+    "retryUpload": "重试上传",
+    "retry": "重试",
+    "singleFileLimit": "单个文件不能超过 100MB",
+    "folderSizeLimit": "文件夹总大小不能超过 1GB",
+    "fileCountLimit": "单批次文件数不能超过 2000",
+    "noSupportedFiles": "未找到支持的文档",
+    "unsupportedSkipped": "已跳过不支持的文件",
+    "createBatchFailed": "创建上传批次失败",
+    "cancelBatchFailed": "取消上传批次失败，请重试",
+    "uploadFailed": "文件上传失败，请重试",
+    "duplicatePolicy": "重复文件",
+    "skipDuplicates": "跳过",
+    "overwriteDuplicates": "覆盖",
+    "reimportDuplicates": "重新导入",
+    "batchStatus": "自动导入状态",
+    "batchRunning": "处理中",
+    "batchInterrupted": "已中断",
+    "batchPartial": "部分失败",
+    "batchFailed": "导入失败",
+    "batchCompleted": "已完成",
+    "completedCount": "完成",
+    "processingCount": "处理中",
+    "failedCount": "失败",
+    "pendingCount": "等待",
+    "skippedCount": "跳过",
+    "continueBatch": "继续",
+    "splitOrIndexFailed": "分块或向量化失败，请重试",
+    "documentSourceUnavailable": "文档文件读取失败，请联系管理员",
+    "parseServiceUnavailable": "文档解析服务暂不可用，请稍后重试",
+    "parseServiceTimeout": "文档解析服务响应超时，请稍后重试",
+    "taskPendingTimeout": "任务排队超时，请重试",
+    "taskExecutionInterrupted": "任务执行中断，请重试",
     "uploadCreateTip": "上传完成后，文档会先进入列表并异步解析，解析完成后再继续分块和向量化。",
     "analysisTip": "系统会先基于文档结构做中英文规则分析，再推荐拆分策略，你也可以逐个文件手动调整。",
     "manualStrategyTip": "调整分块策略后会自动刷新预览，确认效果后再启动向量化。",
@@ -134,6 +178,8 @@
     "PARSING": "解析中",
     "PARSE_FAILED": "解析失败",
     "READY_FOR_SEGMENT": "待分块",
+    "SPLITTING": "分块中",
+    "SPLIT_FAILED": "分块失败",
     "READY_FOR_INDEX": "待向量化",
     "INDEXING": "向量化中",
     "INDEX_FAILED": "向量化失败",