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suaveplan/openspec/changes/enterprise-api-plugin-procurement/proposal.md
2026-05-27 23:29:53 +01:00

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# OpenSpec Change: enterprise-api-plugin-procurement
- **Change ID**: enterprise-api-plugin-procurement
- **Package**: `@suaveplan/api-plugin-procurement`
- **Category**: api/logistics
- **Target path**: `api/logistics/api-plugin-procurement`
- **Status**: PROPOSED
- **Date**: 2026-04-24
- **Reference spec**: `/mnt/s/web/suaveplan/enterprise/api-plugin-procurement.md`
---
## Summary
Deliver `@suaveplan/api-plugin-procurement` on the genesis branch from scratch at enterprise quality. Procurement plugin: supplier management, purchase requisitions (PR), purchase orders (PO) with line items and approval workflow, goods-receipt note (GRN) creation on delivery, three-way matching (PO/GRN/invoice), and supplier performance tracking. Emits `procurement:grn:completed` on the bus so `@suaveplan/api-plugin-inventory` can auto-create stock movements. Routes under `/procurement`. Per-table SurrealQL. Events: `procurement:po:created`, `procurement:po:approved`, `procurement:grn:completed`, `procurement:invoice:matched`.
---
## Available workspace deps on genesis
| Package | Role |
|---|---|
| `@suaveplan/api` (`workspace:^`) | `definePlugin` |
| `@suaveplan/api-shared` (`workspace:^`) | Helpers |
| `@suaveplan/api-plugin-auth` (`workspace:^`) | `requireAuth`, approval roles |
| `@suaveplan/api-plugin-database` (`workspace:^`) | SurrealDB |
| `@suaveplan/events` (`workspace:^`) | Event bus |
| `@suaveplan/error` (`workspace:^`) | `ProcurementError` hierarchy |
| `@suaveplan/idempotency` (`workspace:^`) | Mutation guard |
| `@suaveplan/audit-logging` (`workspace:^`) | Approval audit |
| `@suaveplan/rate-limiter` (`workspace:^`) | Rate limits |
| `hono` + `@hono/zod-openapi` + `zod` | Routes |
| `@opentelemetry/api` | OTel |
---
## Public API surface
```ts
function createProcurementPlugin(config?: ProcurementConfig): PluginDescriptor
// Services: SupplierService, RequisitionService, PurchaseOrderService,
// GrnService, MatchingService, PerformanceService
// Routes: /procurement/suppliers, /procurement/requisitions, /procurement/purchase-orders,
// /procurement/grns, /procurement/matching
```
### Error codes
```ts
type ProcurementErrorCode =
| "PROCUREMENT_SUPPLIER_NOT_FOUND"
| "PROCUREMENT_PO_NOT_FOUND"
| "PROCUREMENT_PO_ALREADY_APPROVED"
| "PROCUREMENT_GRN_NOT_FOUND"
| "PROCUREMENT_MATCH_DISCREPANCY"
| "PROCUREMENT_APPROVAL_UNAUTHORIZED"
```
---
## File layout
```text
api/logistics/api-plugin-procurement/
package.json tsconfig.json vitest.config.ts
surql/ (supplier, requisition, purchase_order, po_line_item, grn, grn_line_item, invoice_match tables)
src/
index.ts events.ts types/ errors/
services/supplier/ services/requisition/ services/purchase-order/
services/grn/ services/matching/ services/performance/
routes/procurement/
tests/integration.test.ts
```
---
## Impact
Prerequisites: `@suaveplan/api`, `@suaveplan/api-plugin-auth`, `@suaveplan/api-plugin-database`, `@suaveplan/events`, `@suaveplan/idempotency`, `@suaveplan/audit-logging`.