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docs/api/routes/article/supplier/update.md

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+# `PATCH /article/{sku}/supplier/{id}`
+
+Protected. Requires a valid session cookie (`credentials: 'include'`).
+
+Update article supplier assignment
+
+Updates an existing article-supplier association (supplier SKU, packaging unit, stock, purchase price).
+
+
+## Path parameters
+
+| Param | Required | Type | Description |
+|-------|----------|------|-------------|
+| `sku` | yes | string | Article SKU |
+| `id` | yes | integer | articlesupplier assignment ID |
+
+## Body (JSON)
+
+```json
+{
+  "sku": "MET-44910-B",
+  "pu": 6,
+  "stock": 95,
+  "netPrice": 22.5
+}
+```
+
+## Signals
+
+On success, emits SSE signal: `article-<sku>` (see [`GET /events`](../events.md)).
+
+## Response `200`
+
+Updated supplier assignment
+
+```json
+{
+  "supplier": {
+    "id": 1,
+    "articleId": 1,
+    "entityId": 1,
+    "supplierName": "…",
+    "sku": "…",
+    "pu": 1,
+    "stock": 1,
+    "priceId": 1,
+    "price": {
+      "net": 1,
+      "taxId": 1,
+      "taxRate": 1
+    }
+  }
+}
+```
+
+## Errors
+
+| Status | Description |
+|--------|-------------|
+| 400 | Invalid pu, invalid stock, invalid price, invalid id, or no company selected — `{"error":"…"}` |
+| 401 | Unauthorized — `{"error":"…"}` |
+| 403 | Not authorized — `{"error":"…"}` |
+| 404 | Supplier assignment, article, or company not found — `{"error":"…"}` |
+
+---
+
+_Generated from `@openapi` JSDoc. Do not edit by hand — run `npm run docs:api`._