feat: polish reporting templates and shared controls

src/apps/client/ClientTemplatesPage.tsx

@@ -3,6 +3,7 @@ import { Edit3, MessageSquare, Plus, Search, Trash2 } from 'lucide-react';
 import { Button, Input, Modal, Pagination, Select, Tag, Textarea } from '@/components/ui';
 import { clientApi, type ClientSmsApplication, type ClientSmsSignature, type ClientSmsTemplate } from '@/api/adminApi';
 import { formatDateTime } from '@/utils/dateTime';
+import { replaceLeadingSmsSignature } from '@/utils/smsSignature';
 
 type TemplateVariable = {
   name: string;
@@ -73,12 +74,16 @@ function TemplateModal({
   const [customVariable, setCustomVariable] = useState('');
   const [variablesOpen, setVariablesOpen] = useState(false);
   const contentRef = useRef<HTMLTextAreaElement>(null);
+  const initialSignature = signatures.find((signature) => signature.id === item?.signatureId);
+  const initialContent = item?.signatureId
+    ? replaceLeadingSmsSignature(item.content, initialSignature?.name)
+    : item?.content ?? '';
   const [form, setForm] = useState<TemplateFormState>({
     applicationId: item?.applicationId ?? '',
     signatureId: item?.signatureId ?? '',
     name: item?.name ?? '',
     category: item?.category ?? '行业通知',
-    content: item?.content ?? '',
+    content: initialContent,
     variables: item?.variables?.map((variable) => ({ name: variable.name, example: variable.example ?? undefined, required: variable.required ?? true })) ?? [],
   });
   const application = applications.find((candidate) => candidate.id === form.applicationId);
@@ -97,6 +102,14 @@ function TemplateModal({
     setForm((current) => ({ ...current, content, variables: extractVariables(content) }));
   }
 
+  function selectSignature(signatureId: string) {
+    const signature = availableSignatures.find((candidate) => candidate.id === signatureId);
+    setForm((current) => {
+      const content = replaceLeadingSmsSignature(current.content, signature?.name);
+      return { ...current, signatureId, content, variables: extractVariables(content) };
+    });
+  }
+
   function insertVariable(name: string) {
     const normalized = name.trim();
     if (!normalized) return;
@@ -120,7 +133,7 @@ function TemplateModal({
       footer={(
         <>
           <Button onClick={onClose} variant="ghost">取消</Button>
-          <Button disabled={!form.applicationId || !form.name || !form.content.trim()} onClick={() => onSubmit({ ...form, variables })}>提交审核</Button>
+          <Button disabled={!form.applicationId || !form.signatureId || !form.name || !form.content.trim()} onClick={() => onSubmit({ ...form, variables })}>提交审核</Button>
         </>
       )}
       onClose={onClose}
@@ -137,13 +150,23 @@ function TemplateModal({
         />
         <Select
           label="短信签名"
-          onChange={(event) => update('signatureId', event.target.value)}
-          options={[{ label: '不绑定签名', value: '' }, ...availableSignatures.map((signature) => ({ label: signature.name, value: signature.id }))]}
+          onChange={(event) => selectSignature(event.target.value)}
+          options={[{ label: '请选择签名', value: '' }, ...availableSignatures.map((signature) => ({ label: signature.name, value: signature.id }))]}
+          required
           value={form.signatureId}
         />
         <Input label="模板名称" onChange={(event) => update('name', event.target.value)} placeholder="请输入模板名称" value={form.name} />
         <Input label="模板分类" onChange={(event) => update('category', event.target.value)} placeholder="行业通知/营销推广/验证码" value={form.category} />
-        <Textarea label="模板内容" onChange={(event) => setContent(event.target.value)} placeholder="变量格式：${code}" ref={contentRef} rows={6} value={form.content} />
+        <Textarea
+          hint="模板内容必须以所选签名开头；选择或切换签名时系统会自动填入或替换完整签名，例如：【XX公司】验证码为${code}。"
+          label="模板内容"
+          onChange={(event) => setContent(event.target.value)}
+          placeholder="请选择签名后填写正文，变量格式：${code}"
+          ref={contentRef}
+          required
+          rows={6}
+          value={form.content}
+        />
         <div className="template-form-meta">
           <button onClick={() => setVariablesOpen((current) => !current)} type="button">
             <Plus size={16} /> {variablesOpen ? '收起变量面板' : '插入变量'}

src/apps/client/ClientUsersPage.tsx

@@ -158,7 +158,7 @@ export function ClientUsersPage() {
           <span className="sms-send-title__icon"><Users size={22} /></span>
           <h1>用户管理</h1>
         </div>
-        <Button icon={<Plus size={18} />} onClick={() => openEditor()}>添加用户</Button>
+        <Button icon={<Plus size={16} />} onClick={() => openEditor()} size="sm">添加用户</Button>
       </div>
 
       <div className="system-filter-row">