package usecase import ( "context" ) type DraftItem struct { Text string Angle string Rationale string } type DraftSummary struct { ID string BrandID string ScanPostID string Relevance float64 Reason string Drafts []DraftItem CreateAt int64 } type CreateRequest struct { TenantID string OwnerUID string BrandID string TopicID string ScanPostID string Relevance float64 Reason string Drafts []DraftItem } type UseCase interface { Create(ctx context.Context, req CreateRequest) (*DraftSummary, error) GetLatestByScanPost(ctx context.Context, tenantID, ownerUID, brandID, topicID, scanPostID string) (*DraftSummary, error) }