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Printavo + Vendor PO Architecture

End-to-end blueprint for apparel shops: Printavo as source of truth for jobs, vendor adapters for blanks, rules for how POs are built, and observability for safe operations at scale.

1) Printavo Integration Surface

  • •GraphQL: fetch orders/lines by status; mutations for tasks, notes, and expense entries tied to jobs.
  • •Trigger model: configurable mapping from Printavo workflow status → automation batch (idempotent job IDs).
  • •Write-back: structured payloads so purchasing exceptions and landed-cost estimates appear where production looks.

2) Orchestration, Rules, and Audit

  • •Job runner processes eligible lines; persists intent, vendor snapshots, and decisions for compliance and replay.
  • •Rules engine turns business policy into code: minimums, freight splits, warehouse routing, rush overrides.
  • •Human gate: review queue stores approvals, rejects, and comments before any vendor submit.

3) Vendor Adapter Framework

  • •Uniform interface across REST (e.g. S&S) and SOAP (e.g. SanMar): inventory, cart build, submit, track.
  • •Per-tenant credentials and endpoints; circuit breakers, retries with backoff, vendor error normalization.
  • •Contract tests + fixture replay so vendor API changes are caught in CI before production.

4) Review UI + Placement

  • •Branded, responsive screens: queue depth, line-level stock truth, substitution suggestions, confirm placement.
  • •Capture vendor confirmations, PO numbers, and error screens that ops can act on without engineering.

5) Receiving, Risk, and Reporting

  • •Printable receiving checklists grouped by customer invoice for dock matching.
  • •Shipment tracking ingestion; compare ETA to customer due dates for risk flags.
  • •Exports and PDFs suitable for floor clipboards and accounting tie-out.

6) Multi-Tenancy, Security, Handoff

  • •Tenant isolation at data + credential layers; roles for buyer, manager, admin.
  • •Secrets encryption, rotation hooks, and audit logs for who approved what.
  • •Documentation package: architecture overview, env vars, runbooks, adapter extension guide.