initialize Electron desktop app and remove unused files

tests/client/use-persistent-record.test.ts

@@ -0,0 +1,28 @@
+// @vitest-environment jsdom
+import { beforeEach, describe, expect, it } from 'vitest'
+import { usePersistentRecord } from '@/composables/usePersistentRecord'
+
+describe('usePersistentRecord', () => {
+  beforeEach(() => localStorage.clear())
+
+  it('loads saved record and persists updates', () => {
+    localStorage.setItem('hermes.sidebar.collapsedGroups', JSON.stringify({ agent: true }))
+    const state = usePersistentRecord('hermes.sidebar.collapsedGroups')
+
+    expect(state.record.agent).toBe(true)
+    state.record.system = true
+    state.persist()
+
+    expect(JSON.parse(localStorage.getItem('hermes.sidebar.collapsedGroups') || '{}')).toEqual({
+      agent: true,
+      system: true,
+    })
+  })
+
+  it('ignores invalid stored values', () => {
+    localStorage.setItem('hermes.sidebar.collapsedGroups', 'not-json')
+    const state = usePersistentRecord('hermes.sidebar.collapsedGroups')
+
+    expect({ ...state.record }).toEqual({})
+  })
+})