System Integration Contracts & Ownership Map
H-P-D-I system map, service contracts, owners, hostnames, ports, auth, health, callers/callees and blast radius
Khóa API↔n8n contract, workflow state, duplicate safety, traceability và HITL.
Đọc và bookmark được phép; mọi mutation vẫn bị khóa server-side cho đến khi week trước PASS.
PASS ≥ 75%
learner artifacts
H-P-D-I system map, service contracts, owners, hostnames, ports, auth, health, callers/callees and blast radius
Workflow trigger, state, transition, condition, action, webhook, audit and n8n→Backend API→PostgreSQL boundary
Webhook URL routing, reverse proxy/upstream, CORS awareness, browser versus curl behavior and public/internal URL separation
correlation_id, business_id, idempotency_key, sanitized audit and cross-service traceability
Timeout, retry/backoff, retry-safe API design, idempotency key, duplicate event and recovery behavior
DRAFT/PENDING, manager approval/rejection, workflow continuation, audit and role boundary
Two workflow E2E, export/version, correlation/idempotency evidence and cross-service failure injection