可靠性: 完善 R2 备份恢复与对象生命周期

internal/db/db.go

@@ -36,7 +36,7 @@ func Ping(ctx context.Context) error {
 
 var AllTables = []interface{}{
 	&User{}, &Question{}, &FollowUp{}, &CensorLog{}, &UploadImage{}, &UploadImageQuestion{},
-	&Conversation{}, &Message{}, &MessageImage{}, &UserBlock{},
+	&Conversation{}, &Message{}, &MessageImage{}, &UserBlock{}, &R2DeleteTask{},
 	// 匿名投票
 	&Vote{}, &VoteOption{}, &VoteFormField{}, &VoteSubmission{},
 	// 功能开关（提问 / 私聊 / 投票 的开关、定时、定量收集）
@@ -132,6 +132,7 @@ func Init(typ, dsn string) (*gorm.DB, error) {
 	Conversations = NewConversationStore(db)
 	Messages = NewMessageStore(db)
 	MessageImages = NewMessageImageStore(db)
+	R2DeleteTasks = NewR2DeleteTaskStore(db)
 	Votes = NewVotesStore(db)
 	VoteOptions = NewVoteOptionsStore(db)
 	VoteFormFields = NewVoteFormFieldsStore(db)