package models import "time" type Version struct { ID string `json:"id"` DocumentID string `json:"document_id"` Content string `json:"content"` ChangeSummary string `json:"change_summary,omitempty"` CreatedBy string `json:"created_by"` Source string `json:"source"` IsDiff bool `json:"is_diff"` CreatedAt time.Time `json:"created_at"` }