feat(api): implement articlesupplier endpoints, sort reordering, and openapi docs

docs/api/openapi.json

@@ -6875,6 +6875,11 @@
                     "nullable": true,
                     "description": "Supplier stock"
                   },
+                  "sort": {
+                    "type": "integer",
+                    "nullable": true,
+                    "description": "Display sort order (defaults to next sort)"
+                  },
                   "netPrice": {
                     "type": "number",
                     "nullable": true,
@@ -6896,6 +6901,7 @@
                   "sku": "MET-44910",
                   "pu": 1,
                   "stock": 140,
+                  "sort": 0,
                   "netPrice": 4.2,
                   "taxId": 1
                 }
@@ -7026,6 +7032,10 @@
                     "type": "number",
                     "nullable": true
                   },
+                  "sort": {
+                    "type": "integer",
+                    "description": "Display sort order"
+                  },
                   "netPrice": {
                     "type": "number",
                     "nullable": true
@@ -7189,6 +7199,124 @@
         }
       }
     },
+    "/article/{sku}/supplier/order": {
+      "put": {
+        "tags": [
+          "Article"
+        ],
+        "summary": "Reorder article suppliers",
+        "description": "Sets the display sort order of supplier assignments for an article.\nExpects an array of all assigned `articlesupplier` IDs in the desired order.\n",
+        "security": [
+          {
+            "cookieAuth": []
+          }
+        ],
+        "x-signals": [
+          "article-<sku>"
+        ],
+        "x-markdown": "article/supplier/order.md",
+        "parameters": [
+          {
+            "in": "path",
+            "name": "sku",
+            "required": true,
+            "schema": {
+              "type": "string"
+            },
+            "description": "Article SKU"
+          }
+        ],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": {
+                "type": "object",
+                "required": [
+                  "ids"
+                ],
+                "properties": {
+                  "ids": {
+                    "type": "array",
+                    "items": {
+                      "type": "integer"
+                    },
+                    "description": "Full list of articlesupplier ids in their new order"
+                  }
+                },
+                "example": {
+                  "ids": [
+                    12,
+                    10,
+                    15
+                  ]
+                }
+              }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "New order applied",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "object",
+                  "properties": {
+                    "ids": {
+                      "type": "array",
+                      "items": {
+                        "type": "integer"
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "400": {
+            "description": "Invalid supplier order, ids is required, or no company selected",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Error"
+                }
+              }
+            }
+          },
+          "401": {
+            "description": "Unauthorized",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Error"
+                }
+              }
+            }
+          },
+          "403": {
+            "description": "Not authorized",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Error"
+                }
+              }
+            }
+          },
+          "404": {
+            "description": "Article or company not found",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Error"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
     "/article": {
       "post": {
         "tags": [
@@ -9162,7 +9290,8 @@
           "id",
           "articleId",
           "entityId",
-          "pu"
+          "pu",
+          "sort"
         ],
         "properties": {
           "id": {
@@ -9192,6 +9321,10 @@
             "nullable": true,
             "description": "Supplier stock"
           },
+          "sort": {
+            "type": "integer",
+            "description": "Display sort order"
+          },
           "priceId": {
             "type": "integer",
             "nullable": true