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openspec/changes/enterprise-api-plugin-gtap/proposal.md

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+# 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`.