upd

backend/src/routes/items.ts

@@ -137,6 +137,47 @@ itemsRouter.get('/selected', (req, res) => {
  *       400:
  *         description: Invalid id
  */
+/**
+ * @openapi
+ * /api/items/add-value:
+ *   post:
+ *     summary: Create a new item with a given value
+ *     tags: [Items]
+ *     requestBody:
+ *       required: true
+ *       content:
+ *         application/json:
+ *           schema:
+ *             type: object
+ *             required: [value]
+ *             properties:
+ *               value:
+ *                 type: string
+ *     responses:
+ *       200:
+ *         description: Item created
+ *         content:
+ *           application/json:
+ *             schema:
+ *               type: object
+ *               properties:
+ *                 id:
+ *                   type: integer
+ *                 value:
+ *                   type: string
+ *       400:
+ *         description: Invalid value
+ */
+itemsRouter.post('/add-value', (req, res) => {
+  const value = req.body?.value
+  if (typeof value !== 'string' || value.trim() === '') {
+    res.status(400).json({ error: 'value must be a non-empty string' })
+    return
+  }
+  const id = store.addItemByValue(value.trim())
+  res.json({ id, value: value.trim() })
+})
+
 itemsRouter.post('/add', (req, res) => {
   const id = req.body?.id
   if (id === undefined || id === null || typeof id !== 'number' || !Number.isInteger(id)) {

backend/src/services/itemsStore.ts

@@ -87,6 +87,15 @@ export function addItem(id: number): boolean {
   return true
 }
 
+let nextAutoId = 1_000_001
+
+export function addItemByValue(value: string): number {
+  const id = nextAutoId++
+  itemsById.set(id, value)
+  allItemsOrder.push(id)
+  return id
+}
+
 export function selectItem(id: number): boolean {
   if (selectedIds.has(id) || !itemsById.has(id)) return false
   selectedIds.add(id)