restrict v6

internal/form/question.go

@@ -41,3 +41,9 @@ type PublishFollowUpQuestion struct {
 type AnswerFollowUpQuestion struct {
 	Answer string `form:"answer" valid:"required" label:"追问回答" msg:"form.followup.answer"`
 }
+
+// ReportQuestion 举报单条内容。理由只接受固定枚举（见 db.IsValidReportReason），
+// 不做自由文本 —— 否则举报框本身就成了新的辱骂输入口。
+type ReportQuestion struct {
+	Reason string `form:"reason" valid:"required;maxlen:32" label:"举报理由" msg:"report.errInvalidReason"`
+}