fix: enforce application limits and signature format

src/apps/admin/AdminEnterpriseSignaturesPage.tsx

@@ -4,6 +4,7 @@ import { adminApi, type ApplicationReportField, type ClientSmsApplication, type
 import { Breadcrumb, Button, DeleteRiskAction, FileActions, Input, Modal, Pagination, Select, Tabs, Tag, Textarea } from '@/components/ui';
 import { displayFileName } from '@/utils/fileName';
 import { formatDateTime } from '@/utils/dateTime';
+import { isCompleteSmsSignature } from '@/utils/smsSignature';
 
 type CarrierStatus = 'approved' | 'pending' | 'rejected' | 'filing';
 
@@ -319,7 +320,7 @@ function SignatureFormModal({
       footer={(
         <>
           <Button onClick={onClose} variant="ghost">取消</Button>
-          <Button disabled={!form.tenantId || !form.name || hasMissingRequiredReportValue(reportFields, form.reportValues)} onClick={() => onSubmit(form)}>保存</Button>
+          <Button disabled={!form.tenantId || !isCompleteSmsSignature(form.name) || hasMissingRequiredReportValue(reportFields, form.reportValues)} onClick={() => onSubmit(form)}>保存</Button>
         </>
       )}
       onClose={onClose}
@@ -337,7 +338,7 @@ function SignatureFormModal({
           <h3>基本信息</h3>
           <div className="signature-alert">
             <Info size={18} />
-            <span>签名需履行报备，并遵照管理部门审核结果方可使用。请用 PNG、JPG、JPEG 或 PDF 格式上传真实材料。</span>
+            <span>签名名称必须包含完整中文黑括号，例如：【某某科技】。签名需履行报备，并遵照管理部门审核结果方可使用。</span>
           </div>
           <div className="signature-form-grid">
             <Select
@@ -360,7 +361,15 @@ function SignatureFormModal({
               ]}
               value={form.applicationId}
             />
-            <Input label="* 短信签名" onChange={(event) => update('name', event.target.value)} placeholder="请输入短信签名，如【XXXX公司】" required value={form.name} />
+            <Input
+              error={form.name.trim() && !isCompleteSmsSignature(form.name) ? '必须填写完整中文黑括号签名，例如：【某某科技】' : undefined}
+              hint="新增和编辑时都必须保留完整的【】"
+              label="短信签名"
+              onChange={(event) => update('name', event.target.value)}
+              placeholder="请输入完整签名，例如：【某某科技】"
+              required
+              value={form.name}
+            />
           </div>
         </section>
 

src/apps/client/ClientSendPage.tsx

@@ -3,6 +3,7 @@ import { Check, Download, FileText, Plus, Search, Send, Trash2 } from 'lucide-re
 import { Button, DateTimeInput, Input, Modal, Select, Tag, Textarea } from '@/components/ui';
 import { clientApi, type ClientSmsApplication, type ClientSmsSignatureView, type ClientSmsTemplate, type ImportPreviewResponse, type SmsBatchTask } from '@/api/adminApi';
 import { formatCents } from '@/utils/currency';
+import { replaceLeadingSmsSignature } from '@/utils/smsSignature';
 
 type Recipient = {
   id: string;
@@ -71,7 +72,7 @@ export function ClientSendPage() {
   const importedValidCount = importPreview?.validCount ?? 0;
   const receiverCount = receiverMode === 'manual' ? validRecipients.length : importedValidCount;
   const previewText = selectedSignature && messageContent
-    ? `【${selectedSignature.name}】${messageContent}`
+    ? replaceLeadingSmsSignature(messageContent, selectedSignature.name)
     : messageContent;
   const wordCount = previewText.length;
   const smsParts = wordCount > 0 ? Math.max(1, Math.ceil(wordCount / 70)) : 0;

src/apps/client/ClientSignaturesPage.tsx

@@ -9,6 +9,7 @@ import {
   type ClientSmsSignatureView,
   type FileRef,
 } from '@/api/adminApi';
+import { isCompleteSmsSignature } from '@/utils/smsSignature';
 
 const EMPTY_WORKSPACE: ClientSignatureWorkspace = {
   items: [],
@@ -120,6 +121,10 @@ function SignatureModal({
   }
 
   async function save() {
+    if (!isCompleteSmsSignature(name)) {
+      setError('短信签名必须包含完整中文黑括号，例如：【某某科技】');
+      return;
+    }
     setSaving(true);
     setError('');
     try {
@@ -138,8 +143,9 @@ function SignatureModal({
   }
 
   const missingRequired = fields.some((field) => field.required && !values[field.code]);
+  const signatureNameValid = isCompleteSmsSignature(name);
   return <Modal
-    footer={<><Button onClick={onClose} variant="ghost">取消</Button><Button disabled={!name.trim() || missingRequired || saving || Boolean(uploadingCode)} onClick={() => void save()}>{saving ? '提交中...' : '提交审核'}</Button></>}
+    footer={<><Button onClick={onClose} variant="ghost">取消</Button><Button disabled={!signatureNameValid || missingRequired || saving || Boolean(uploadingCode)} onClick={() => void save()}>{saving ? '提交中...' : '提交审核'}</Button></>}
     onClose={onClose}
     open
     size="xl"
@@ -153,7 +159,15 @@ function SignatureModal({
         options={[{ label: '不绑定应用', value: '' }, ...applications.map((item) => ({ label: item.name, value: item.id }))]}
         value={applicationId}
       />
-      <Input label="短信签名" onChange={(event) => setName(event.target.value)} placeholder="例如：某某科技（无需填写【】）" required value={name} />
+      <Input
+        error={name.trim() && !signatureNameValid ? '必须填写完整中文黑括号签名，例如：【某某科技】' : undefined}
+        hint="新增和编辑时都必须保留完整的【】"
+        label="短信签名"
+        onChange={(event) => setName(event.target.value)}
+        placeholder="请输入完整签名，例如：【某某科技】"
+        required
+        value={name}
+      />
       <Input label="使用场景" onChange={(event) => setPurpose(event.target.value)} placeholder="例如：验证码、订单通知" value={purpose ?? ''} />
       <section className="client-signature-form-section">
         <div><h3>审核资料</h3><p>请按要求填写或上传，资料仅用于签名审核。</p></div>