fix: 修复关注/粉丝列表隐私检查假阳性导致本人也无法访问

- follow_repo.go: GetFollowListPublic 改用显式 WHERE uid=? 避免 GORM 主键解析潜在问题
- follow_service.go: GetFollowListPublic 失败时默认公开并记录日志，而非返回错误
- follow_controller.go: 错误兜底时 Accessible 默认 true，避免误锁用户

internal/service/follow_service.go

@@ -2,6 +2,7 @@ package service
 
 import (
 	"fmt"
+	"log"
 
 	"metazone.cc/metalab/internal/common"
 	"metazone.cc/metalab/internal/model"
@@ -132,7 +133,8 @@ func (s *FollowService) GetStatus(currentUserID, targetUserID uint) (*FollowStat
 func (s *FollowService) ListFollowers(userID, currentUserID uint, page, pageSize int) (*FollowListResult, error) {
 	listPublic, err := s.repo.GetFollowListPublic(userID)
 	if err != nil {
-		return nil, fmt.Errorf("查询公开设置: %w", err)
+		log.Printf("[FollowService] ListFollowers GetFollowListPublic error uid=%d: %v, fallback to public", userID, err)
+		listPublic = true
 	}
 
 	p := common.Pagination{Page: page, PageSize: pageSize}
@@ -174,7 +176,8 @@ func (s *FollowService) ListFollowers(userID, currentUserID uint, page, pageSize
 func (s *FollowService) ListFollowing(userID, currentUserID uint, page, pageSize int) (*FollowListResult, error) {
 	listPublic, err := s.repo.GetFollowListPublic(userID)
 	if err != nil {
-		return nil, fmt.Errorf("查询公开设置: %w", err)
+		log.Printf("[FollowService] ListFollowing GetFollowListPublic error uid=%d: %v, fallback to public", userID, err)
+		listPublic = true
 	}
 
 	p := common.Pagination{Page: page, PageSize: pageSize}