# OpenSpec Change: enterprise-api-plugin-gtap

- **Change ID**: enterprise-api-plugin-gtap
- **Package**: `@suaveplan/api-plugin-gtap`
- **Category**: api/logistics
- **Target path**: `api/logistics/api-plugin-gtap`
- **Status**: PROPOSED
- **Date**: 2026-04-24
- **Reference spec**: `/mnt/s/web/suaveplan/enterprise/api-plugin-gtap.md`

---

## Summary

Deliver `@suaveplan/api-plugin-gtap` on the genesis branch from scratch at enterprise quality. Global Trade Automation Platform (GTAP) integration bridge: import/export license management, tariff classification (HS code + origin), sanctioned-party screening (OFAC/EU/UN lists via pluggable `SanctionScreenAdapter`), certificate-of-origin generation, preferential-trade-agreement (PTA) eligibility checking, and AEO (Authorised Economic Operator) status tracking. Routes under `/gtap`. Per-table SurrealQL. Events: `gtap:sanction:hit`, `gtap:certificate:issued`, `gtap:license:expired`.

---

## Available workspace deps on genesis

| Package | Role |
|---|---|
| `@suaveplan/api` (`workspace:^`) | `definePlugin` |
| `@suaveplan/api-shared` (`workspace:^`) | Helpers |
| `@suaveplan/api-plugin-auth` (`workspace:^`) | `requireAuth`, `requireRole` |
| `@suaveplan/api-plugin-database` (`workspace:^`) | SurrealDB |
| `@suaveplan/api-plugin-customs` (`workspace:^`) | HS code reference |
| `@suaveplan/audit-logging` (`workspace:^`) | Sanction hit + license audit |
| `@suaveplan/events` (`workspace:^`) | Event bus |
| `@suaveplan/error` (`workspace:^`) | `GtapError` hierarchy |
| `hono` + `@hono/zod-openapi` + `zod` | Routes |
| `@opentelemetry/api` | OTel |

---

## Public API surface

```ts
function createGtapPlugin(config?: GtapConfig): PluginDescriptor
interface SanctionScreenAdapter { screen(entity: ScreenRequest): Promise<ScreenResult> }
// Routes: /gtap/licenses, /gtap/screen, /gtap/certificates,
//         /gtap/pta-eligibility, /gtap/aeo-status
```

### Error codes

```ts
type GtapErrorCode =
  | "GTAP_LICENSE_NOT_FOUND"
  | "GTAP_LICENSE_EXPIRED"
  | "GTAP_SANCTION_HIT"
  | "GTAP_CERTIFICATE_NOT_FOUND"
  | "GTAP_PTA_NOT_ELIGIBLE"
```

---

## File layout

```text
api/logistics/api-plugin-gtap/
  package.json  tsconfig.json  vitest.config.ts
  surql/ (trade_license, sanction_screening_log, certificate_of_origin, aeo_status tables)
  src/
    index.ts  events.ts  types/  errors/
    adapters/sanction-screen.port.ts
    services/license/  services/screening/  services/certificate/
    services/pta/  services/aeo/
    routes/gtap/
  tests/integration.test.ts
```

---

## Impact

Prerequisites: `@suaveplan/api`, `@suaveplan/api-plugin-auth`, `@suaveplan/api-plugin-database`, `@suaveplan/api-plugin-customs`, `@suaveplan/audit-logging`.