fix(stocktake): 扫码未找到物料时显示友好提示而非原始 404 错误

- 识别 HTTP 404 状态码 → 显示『条码 [xxx] 未在库存系统中找到，请确认条码是否正确』
- 其他错误 → 显示『查询失败: xxx』
- 扫码失败时振动反馈

inventory-web/src/views/stock/stocktake/index.vue

@@ -779,12 +779,15 @@ const onScanSuccess = async (code: string) => {
 
     openQtyDialog(item)
   } catch (e: any) {
-    const msg = e?.msg || e?.message || '查询库存失败'
-    if (msg.includes('未找到')) {
-      ElMessage.error(`未找到该物料库存: ${trimCode}`)
+    // ★ 友好错误提示：404=条码不在系统中，其他=网络/服务器错误
+    const status = e?.response?.status || e?.status
+    if (status === 404) {
+      ElMessage.warning(`条码 [${trimCode}] 未在库存系统中找到，请确认条码是否正确`)
     } else {
-      ElMessage.error(msg)
+      const msg = e?.msg || e?.message || '查询库存失败'
+      ElMessage.error(`查询失败: ${msg}`)
     }
+    if (navigator.vibrate) navigator.vibrate([200, 100, 200])
     console.error(e)
   } finally {
     loading.value = false
@@ -849,12 +852,15 @@ const handleManualInput = async () => {
 
     openQtyDialog(item)
   } catch (e: any) {
-    const msg = e?.msg || e?.message || '查询库存失败'
-    if (msg.includes('未找到')) {
-      ElMessage.error(`未找到该物料库存: ${code}`)
+    // ★ 友好错误提示：404=条码不在系统中，其他=网络/服务器错误
+    const status = e?.response?.status || e?.status
+    if (status === 404) {
+      ElMessage.warning(`条码 [${code}] 未在库存系统中找到，请确认条码是否正确`)
     } else {
-      ElMessage.error(msg)
+      const msg = e?.msg || e?.message || '查询库存失败'
+      ElMessage.error(`查询失败: ${msg}`)
     }
+    if (navigator.vibrate) navigator.vibrate([200, 100, 200])
     console.error(e)
   } finally {
     loading.value = false