fix(feishu): feishu connector name validate (#797)

Co-authored-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: Haze <hazeone@users.noreply.github.com>

src/i18n/locales/zh/channels.json

@@ -47,8 +47,9 @@
         "mainAccount": "主账号",
         "customIdLabel": "账号 ID",
         "customIdPlaceholder": "例如：feishu-sales-bot",
-        "customIdHint": "可自定义账号 ID，用于区分同一频道下的多个账号。",
+        "customIdHint": "使用小写账号 ID（字母、数字、连字符、下划线）来区分同一频道下的多个账号。",
         "invalidId": "账号 ID 不能为空",
+        "invalidCanonicalId": "账号 ID 仅支持小写字母、数字、连字符和下划线；必须以字母或数字开头，且最长 64 个字符。",
         "idLabel": "ID: {{id}}",
         "boundTo": "绑定对象：{{agent}}",
         "handledBy": "由 {{agent}} 处理",