feat(consultation): unify server-distributed agents without fixed roles

electron/coding-teacher/suggestions.ts

@@ -10,7 +10,7 @@ export function parseTeacherSuggestions(response: string): TeacherSuggestions {
   const invalid = () => new TeacherError(
     502,
     'teacher_suggestions_invalid',
-    '老师这次没能整理好可以讨论的问题，请再试一次，或直接告诉老师你的想法。'
+    '智能体这次没能整理好可以讨论的问题，请再试一次，或直接告诉智能体你的想法。'
   );
   const text = response.trim();
   const fenced = text.match(/^```(?:json)?\s*\n([\s\S]*?)\n```$/i);