fix: skip deleted entries in navigation history

scripts/check-gui-render.mjs

@@ -356,6 +356,13 @@ async function runReadyScenario(cdp, url) {
   await assertEval(cdp, `!document.querySelector('.activity-feed-header h2')`, 'activity: screen title is not duplicated inside body')
   await assertText(cdp, 'Smoke activity', 'activity feed: event visible')
 
+  await clickText(cdp, '.nav-item', 'Сегодня')
+  await clickText(cdp, '.tree-label', 'Smoke Client')
+  await clickText(cdp, '.tree-label', 'Smoke Project')
+  await deleteSmokeNode(cdp, 'node-client')
+  await dispatchBodyKeydown(cdp, 'Backspace')
+  await assertEval(cdp, `document.querySelector('.header-title')?.innerText.trim() === 'Сегодня'`, 'navigation: Backspace skips deleted history entries')
+
   await click(cdp, '.nav-add-btn')
   await waitForSelector(cdp, '.modal-create')
   await assertText(cdp, 'Создать элемент', 'create node: modal opens')
@@ -528,6 +535,15 @@ async function dispatchMouseBack(cdp) {
   await sleep(150)
 }
 
+async function deleteSmokeNode(cdp, id) {
+  await cdp.send('Runtime.evaluate', {
+    expression: `window.__VERSTAK_GUI_SMOKE__.deleteNode(${JSON.stringify(id)})`,
+    awaitPromise: true,
+    returnByValue: true,
+  })
+  await sleep(150)
+}
+
 async function setClipboardText(cdp, value) {
   await cdp.send('Runtime.evaluate', {
     expression: `window.__VERSTAK_GUI_SMOKE_CLIPBOARD__ = ${JSON.stringify(value)}`,
@@ -1347,6 +1363,9 @@ function wailsMockSource() {
     dropFiles: async (paths) => {
       if (runtimeHandlers['files-dropped']) await runtimeHandlers['files-dropped'](paths);
     },
+    deleteNode: async (id) => {
+      detachNode(id);
+    },
   };
 })();
 `