fix: validate signatures and restore report metrics

src/utils/smsSignature.ts

@@ -1,4 +1,7 @@
 const LEADING_SMS_SIGNATURE = /^【[^】]+】/;
+const FORBIDDEN_SMS_SIGNATURE_CHARACTER = /[\p{White_Space}\p{Cc}\p{Default_Ignorable_Code_Point}]/u;
+export const SMS_SIGNATURE_CHARACTER_ERROR = '短信签名不能包含空格、换行或不可见字符';
+export const SMS_SIGNATURE_FORMAT_ERROR = '必须填写完整中文黑括号签名，例如：【某某科技】';
 
 export function formatSmsSignature(name?: string | null) {
   const innerName = (name ?? '').trim().replace(/^[【\[]+|[】\]]+$/g, '').trim();
@@ -6,9 +9,23 @@ export function formatSmsSignature(name?: string | null) {
 }
 
 export function isCompleteSmsSignature(name?: string | null) {
-  const value = (name ?? '').trim();
+  return getSmsSignatureValidationError(name) === undefined;
+}
+
+export function hasForbiddenSmsSignatureCharacter(name?: string | null) {
+  return FORBIDDEN_SMS_SIGNATURE_CHARACTER.test(name ?? '');
+}
+
+export function getSmsSignatureValidationError(name?: string | null) {
+  const value = name ?? '';
+  if (!value) {
+    return SMS_SIGNATURE_FORMAT_ERROR;
+  }
+  if (hasForbiddenSmsSignatureCharacter(value)) {
+    return SMS_SIGNATURE_CHARACTER_ERROR;
+  }
   const match = value.match(/^【([^【】]+)】$/);
-  return Boolean(match && match[1] === match[1].trim());
+  return match ? undefined : SMS_SIGNATURE_FORMAT_ERROR;
 }
 
 export function replaceLeadingSmsSignature(content: string, signatureName?: string | null) {