chore(frontend): 将暂定品牌名统一为 NotesAgent

frontend/src/features/editor/EditorPane.spec.ts

@@ -30,9 +30,9 @@ afterEach(() => {
 describe('EditorPane file switching', () => {
   it('recreates the visual editor with the newly loaded file content', async () => {
     const store = useEditorStore()
-    await store.loadFile('/欢迎使用知笔知己.md')
+    await store.loadFile('/欢迎使用 NotesAgent.md')
     wrapper = mount(EditorPane, { attachTo: document.body })
-    await waitForText('欢迎使用知笔知己')
+    await waitForText('欢迎使用 NotesAgent')
 
     await store.loadFile('/数据结构/红黑树.md')
     await nextTick()

frontend/src/features/vault/VaultEntry.vue

@@ -68,7 +68,7 @@ async function createVault() {
     <div class="entry-container">
       <div class="brand-section">
         <div class="logo"><AppIcon :icon="Document" :size="56" /></div>
-        <h1 class="app-title">知笔知己</h1>
+        <h1 class="app-title">NotesAgent</h1>
         <p class="app-subtitle">本地优先的 AI 笔记软件</p>
       </div>
 

frontend/src/features/workspace/WorkspaceView.vue

@@ -15,10 +15,10 @@ onMounted(() => {
     // Already loaded
   }
   if (!workspaceStore.activeFilePath && workspaceStore.fileTree.length === 0) {
-    void editorStore.loadFile('/欢迎使用知笔知己.md').then(() => {
+    void editorStore.loadFile('/欢迎使用 NotesAgent.md').then(() => {
       // 默认文件加载期间用户可能已经点击了其他文件，不能覆盖用户的选择。
-      if (!workspaceStore.activeFilePath && editorStore.currentFilePath === '/欢迎使用知笔知己.md') {
-        workspaceStore.openFile('/欢迎使用知笔知己.md')
+      if (!workspaceStore.activeFilePath && editorStore.currentFilePath === '/欢迎使用 NotesAgent.md') {
+        workspaceStore.openFile('/欢迎使用 NotesAgent.md')
       }
     })
   }