fix: Rock Token 超时按满 2/3 天判定并统一显示口径

backend/internal/service/rock_token_delete.go

@@ -121,6 +121,39 @@ func rockOverdueCutoff(now time.Time, days int) time.Time {
 	return now.AddDate(0, 0, -days)
 }
 
+// applyRockTokenOverdueFlags 用与筛选、统计完全相同的 now 和阈值，
+// 为列表补充超时标记与实际天数，避免前端用本地时间算出「显示 2.0 天但未超时」。
+func applyRockTokenOverdueFlags(tokens []model.RockToken, now time.Time, warnDays, dangerDays, boundWarnDays int) {
+	usingCutoff := rockOverdueCutoff(now, warnDays)
+	dangerCutoff := rockOverdueCutoff(now, dangerDays)
+	boundCutoff := rockOverdueCutoff(now, boundWarnDays)
+	for i := range tokens {
+		switch tokens[i].Status {
+		case model.RockStatusUsing:
+			if tokens[i].UsingAt == nil {
+				continue
+			}
+			days := now.Sub(*tokens[i].UsingAt).Hours() / 24
+			if days < 0 {
+				days = 0
+			}
+			tokens[i].UsingDays = days
+			tokens[i].UsingOverdue = !tokens[i].UsingAt.After(usingCutoff)
+			tokens[i].UsingDanger = !tokens[i].UsingAt.After(dangerCutoff)
+		case model.RockStatusBound:
+			if tokens[i].BoundAt == nil {
+				continue
+			}
+			days := now.Sub(*tokens[i].BoundAt).Hours() / 24
+			if days < 0 {
+				days = 0
+			}
+			tokens[i].BoundDays = days
+			tokens[i].BoundOverdue = !tokens[i].BoundAt.After(boundCutoff)
+		}
+	}
+}
+
 // applyRockTokenListFilters 与 Token 列表使用同一套筛选条件，避免“看到多少、删多少”不一致。
 // 列表、删除预览、全部删除、回收站共用；now 由调用方传入以便同一请求内阈值一致。
 func applyRockTokenListFilters(db *gorm.DB, status, search string, now time.Time, warnDays, boundWarnDays int) *gorm.DB {