fix: recover gateway callbacks and client send flows

src/apps/client/ClientBatchTasksPage.tsx

@@ -19,6 +19,7 @@ import {
   type TableColumn,
 } from '@/components/ui';
 import { clientApi, type SmsBatchTask } from '@/api/adminApi';
+import { formatDateTime } from '@/utils/dateTime';
 
 type BatchTaskStatus = 'completed' | 'sending' | 'terminated';
 
@@ -170,7 +171,7 @@ export function ClientBatchTasksPage() {
       ),
     },
     { key: 'applicationName', title: '应用名称', width: '150px', render: (record) => record.applicationName },
-    { key: 'submittedAt', title: '提交时间', width: '130px', render: (record) => record.submittedAt },
+    { key: 'submittedAt', title: '提交时间', width: '150px', render: (record) => formatDateTime(record.submittedAt) },
     { key: 'phoneCount', title: '发送号码数', width: '120px', render: (record) => record.phoneCount.toLocaleString('zh-CN') },
     { key: 'wordCount', title: '单号码字数', width: '120px', render: (record) => <strong>{record.wordCount} 字</strong> },
     {
@@ -183,7 +184,7 @@ export function ClientBatchTasksPage() {
             <Clock3 size={14} />
             {record.sendType === 'immediate' ? '立即发送' : '定时发送'}
           </span>
-          {record.scheduledAt ? <small>{record.scheduledAt}</small> : null}
+          {record.scheduledAt ? <small>{formatDateTime(record.scheduledAt)}</small> : null}
         </div>
       ),
     },

src/apps/client/ClientSendPage.tsx

@@ -14,6 +14,24 @@ type Recipient = {
 type SendMode = 'now' | 'scheduled';
 type ReceiverMode = 'manual' | 'import';
 
+const supportedImportExtensions = new Set(['csv', 'tsv', 'txt']);
+const supportedImportMimeTypes = new Set([
+  'text/csv',
+  'application/csv',
+  'application/vnd.ms-excel',
+  'text/tab-separated-values',
+  'text/tsv',
+  'text/plain',
+]);
+
+function assertSupportedImportFile(file: File) {
+  const extension = file.name.split('.').pop()?.toLowerCase() ?? '';
+  const mimeType = file.type.toLowerCase();
+  if (!supportedImportExtensions.has(extension) || (mimeType && !supportedImportMimeTypes.has(mimeType))) {
+    throw new Error('仅支持 CSV、TSV 或 TXT 文本文件');
+  }
+}
+
 export function ClientSendPage() {
   const navigate = useNavigate();
   const [applications, setApplications] = useState<ClientSmsApplication[]>([]);
@@ -82,7 +100,23 @@ export function ClientSendPage() {
   const smsParts = wordCount === 0 ? 0 : wordCount <= 70 ? 1 : Math.ceil(wordCount / 67);
   const estimatedCount = receiverCount * smsParts;
   const requiredVariables = selectedTemplate?.variables?.map((item) => item.name) ?? [];
-  const canSubmit = Boolean(taskName && applicationId && signatureId && templateId && receiverCount > 0 && (sendMode === 'now' || scheduledAt));
+  const allowsDirectSend = selectedApplication?.templateMismatchMode === 'direct_send';
+  const validationMessage = !taskName.trim()
+    ? '请填写任务名称'
+    : !applicationId
+      ? '请选择短信应用'
+      : !signatureId
+        ? '请选择已审核通过的短信签名'
+        : !templateId && !allowsDirectSend
+          ? '当前应用必须选择已审核通过的短信模板'
+          : !messageContent.trim()
+            ? '请填写短信内容'
+            : receiverCount < 1
+              ? receiverMode === 'manual' ? '请至少填写一个接收号码' : '请导入至少一个有效号码'
+              : sendMode === 'scheduled' && !scheduledAt
+                ? '请选择定时发送时间'
+                : '';
+  const canSubmit = validationMessage === '';
 
   function updateRecipient(id: string, phone: string) {
     setRecipients((items) => items.map((item) => (item.id === id ? { ...item, phone } : item)));
@@ -116,7 +150,7 @@ export function ClientSendPage() {
     const submitRequest = receiverMode === 'manual'
       ? clientApi.createBatchTask({
         applicationId,
-        templateId,
+        templateId: templateId || undefined,
         content: previewText,
         category: selectedTemplate?.category ?? taskName,
         phones: validRecipients.map((item) => item.phone.trim()),
@@ -125,7 +159,7 @@ export function ClientSendPage() {
       })
       : clientApi.confirmImport({
         applicationId,
-        templateId,
+        templateId: templateId || undefined,
         content: previewText,
         category: selectedTemplate?.category ?? taskName,
         importContent,
@@ -172,6 +206,7 @@ export function ClientSendPage() {
     setImportLoading(true);
     setError('');
     try {
+      assertSupportedImportFile(file);
       const content = await file.text();
       const preview = await clientApi.previewImport({
         applicationId: applicationId || undefined,
@@ -352,7 +387,7 @@ export function ClientSendPage() {
                   style={{ display: 'none' }}
                   type="file"
                 />
-                <Button disabled={importLoading || !templateId} onClick={() => document.getElementById('sms-import-file')?.click()} variant="ghost">
+                <Button disabled={importLoading || (!templateId && !allowsDirectSend)} onClick={() => document.getElementById('sms-import-file')?.click()} variant="ghost">
                   {importLoading ? '解析中...' : '选择文件'}
                 </Button>
                 {importFileName ? (
@@ -390,6 +425,7 @@ export function ClientSendPage() {
             <Button disabled={!canSubmit || submitting} icon={<Send size={18} />} onClick={submitTask}>
               {submitting ? '提交中...' : '提交发送任务'}
             </Button>
+            {!canSubmit ? <span className="send-submit-hint">{validationMessage}</span> : null}
           </div>
         </div>