Giao dịch và gửi tin — mô hình logic đề xuất

Giao dịch và gửi tin — mô hình logic đề xuất An entity-relationship diagram generated by Archify. Guardian · Entity Guardian guardian_id verified student scope Order / lead · Entity Order / lead request_id guardian + idempotency_key Order lines (C1) · Entity Order lines (C1) request_id, variant_id snapshot SKU / price Survey submission · Entity Survey submission round + guardian + student answers versioned Outbox / delivery · Entity Outbox / delivery event ID; attempts; lease provider ID; ambiguous outcome Product variant · Entity Product variant variant_id SKU, size, màu C1 Legend One Many