fix(chat): reconcile reply recovery with continuous agent conversations

shared/coding-teacher.ts

@@ -82,6 +82,8 @@ export interface TeacherRequest {
   replyParseError?: string;
   /** No trustworthy complete reply could be recovered from the received text. */
   replyIncomplete?: boolean;
+  /** New-output shortcut rejection survives later historical prose repair. */
+  replyQuickRepliesRejected?: boolean;
   /** Original answer retained for failed or repaired parsing; never fed back as context. */
   unparsedResponse?: string;
   toolActivity?: TeacherToolActivity[];