fix(admin): 编辑消息/切换会话保护、行内编辑撤销与上传进度反馈

- 编辑旧消息会删除其后全部消息时,先弹确认告知影响范围
- 有待发送附件时切换会话,先确认再丢弃(避免静默删除已上传文件)
- EditableCell 保存成功后提供 6 秒内"撤销"入口(把旧值重新保存),
  重新编辑时自动清除
- 导入向导/重新上传显示上传进度条与百分比,不再"假死"
- AI 附件上传透传进度给附件列表
- 租赁合同上传显示按钮 loading 与上传百分比

apps/admin/src/components/ImportWizard/ImportWizardModal.tsx

@@ -14,6 +14,7 @@ import {
   Descriptions,
   Flex,
   Modal,
+  Progress,
   Select,
   Space,
   Spin,
@@ -115,6 +116,7 @@ export const ImportWizardModal: React.FC<ImportWizardModalProps> = ({
   const [run, setRun] = useState<ImportRunDetail | null>(null);
   const [loadingRun, setLoadingRun] = useState(false);
   const [uploading, setUploading] = useState(false);
+  const [uploadPercent, setUploadPercent] = useState(0);
   const [activeStepKey, setActiveStepKey] = useState<ImportStepKey | null>(null);
   const [sheetSelection, setSheetSelection] = useState<Record<string, string[]>>({});
   const [mappingDraft, setMappingDraft] = useState<Record<string, Record<string, string>>>({});
@@ -188,14 +190,19 @@ export const ImportWizardModal: React.FC<ImportWizardModalProps> = ({
   const handleUpload: UploadProps['customRequest'] = async (options) => {
     const file = options.file as File;
     setUploading(true);
+    setUploadPercent(0);
     try {
-      const detail = await createImportRun(file, { source: 'manual' });
+      const detail = await createImportRun(file, {
+        source: 'manual',
+        onProgress: (percent) => setUploadPercent(percent),
+      });
       await loadRun(detail.id);
       message.success(`已识别 ${detail.sheets.length} 个工作表`);
     } catch (error) {
       message.error(error instanceof Error ? error.message : '文件上传失败');
     } finally {
       setUploading(false);
+      setUploadPercent(0);
     }
   };
 
@@ -256,11 +263,13 @@ export const ImportWizardModal: React.FC<ImportWizardModalProps> = ({
   const handleReupload = async (file: File) => {
     if (!run || !activeStepKey) return;
     setUploading(true);
+    setUploadPercent(0);
     try {
       const detail = await createImportRun(file, {
         source: 'manual',
         stages: [{ stepKey: activeStepKey, sheets: sheetSelection[activeStepKey] ?? [] }],
         mapping: { [activeStepKey]: mappingDraft[activeStepKey] ?? {} },
+        onProgress: (percent) => setUploadPercent(percent),
       });
       await loadRun(detail.id);
       message.success('已重新上传，并保留原列映射');
@@ -268,6 +277,7 @@ export const ImportWizardModal: React.FC<ImportWizardModalProps> = ({
       message.error(error instanceof Error ? error.message : '重新上传失败');
     } finally {
       setUploading(false);
+      setUploadPercent(0);
     }
   };
 
@@ -405,6 +415,20 @@ export const ImportWizardModal: React.FC<ImportWizardModalProps> = ({
             <p className="ant-upload-text">点击或拖拽 .xlsx / .csv 文件到此区域</p>
             <p className="ant-upload-hint">单文件不超过 10MB；.xls 请先另存为 .xlsx</p>
           </Upload.Dragger>
+          {uploading ? (
+            <Flex vertical gap={4} style={{ marginTop: 8 }}>
+              <Progress
+                percent={uploadPercent}
+                size="small"
+                status={uploadPercent > 0 && uploadPercent < 100 ? 'active' : 'normal'}
+              />
+              <Typography.Text type="secondary" style={{ fontSize: 12, textAlign: 'center' }}>
+                {uploadPercent > 0 && uploadPercent < 100
+                  ? `正在上传 ${uploadPercent}%...`
+                  : '正在上传并解析文件...'}
+              </Typography.Text>
+            </Flex>
+          ) : null}
         </Space>
       ) : (
         <Space orientation="vertical" size={16} style={{ width: '100%' }}>