feat: 新增范式润色功能页面

- 新增 ArticleRewritePanel.vue 组件
- 支持从文稿库选择文章或粘贴输入
- 支持句子多选（连续文本流展示）
- 支持基于范式 Prompt 进行 AI 检查
- 支持 AI 重写及选择性替换
- 新增全选/反选按钮
- 新增保存功能（创建版本历史）
- 新增复检功能（对重写内容再次检查）
- 在 GlobalSidebar.vue 添加导航入口
- 在 App.vue 添加路由渲染

src/App.vue

@@ -1,40 +1,53 @@
 <template>
-  <div class="flex h-full">
-    <!-- 对照检查页面（全屏独占） -->
-    <ComparePanel v-if="currentPage === 'compare'" />
-    
-    <!-- 常规布局 -->
-    <template v-else>
-      <!-- 左侧面板 -->
-      <WriterPanel v-if="currentPage === 'writer'" />
-      <AnalysisPanel v-else-if="currentPage === 'analysis'" />
-      <DocumentsPanel 
-        v-else-if="currentPage === 'documents'" 
-        @toggle-version-panel="toggleVersionPanel"
-        @document-selected="handleDocumentSelected"
-      />
-      <MaterialsPanel v-else-if="currentPage === 'materials'" />
-      <SettingsPanel v-else-if="currentPage === 'settings'" />
+  <div class="flex h-screen w-full bg-slate-950 overflow-hidden">
+    <!-- 全局导航侧边栏 -->
+    <GlobalSidebar v-if="currentPage !== 'compare' && currentPage !== 'diffAnnotation' && currentPage !== 'rewrite'" />
+
+    <!-- 主体区域 -->
+    <main class="flex-1 flex overflow-hidden relative">
+      <!-- 对照检查页面（全屏独占） -->
+      <ComparePanel v-if="currentPage === 'compare'" />
       
-      <!-- 右侧主内容区 -->
-      <MainContent />
+      <!-- 差异标注页面（全屏独占） -->
+      <DiffAnnotationPanel v-else-if="currentPage === 'diffAnnotation'" />
       
-      <!-- 版本历史面板（仅文稿管理页面显示） -->
-      <DocumentVersionPanel 
-        v-if="currentPage === 'documents'"
-        :visible="showVersionPanel"
-        :document-id="selectedDocumentId"
-        :current-content="selectedDocumentContent"
-        @close="showVersionPanel = false"
-        @restore="handleVersionRestore"
-      />
-    </template>
+      <!-- 范式润色页面（全屏独占） -->
+      <ArticleRewritePanel v-else-if="currentPage === 'rewrite'" />
+      
+      <!-- 持久化布局面板 -->
+      <template v-else>
+        <!-- 左侧/中间配置侧边栏 -->
+        <WriterPanel v-if="currentPage === 'writer'" />
+        <AnalysisPanel v-else-if="currentPage === 'analysis'" />
+        <DocumentsPanel 
+          v-else-if="currentPage === 'documents'" 
+          @toggle-version-panel="toggleVersionPanel"
+          @document-selected="handleDocumentSelected"
+        />
+        <MaterialsPanel v-else-if="currentPage === 'materials'" />
+        <SettingsPanel v-else-if="currentPage === 'settings'" />
+        
+        <!-- 右侧核心内容区 -->
+        <MainContent />
+        
+        <!-- 侧滑浮层面板 (仅文稿页) -->
+        <DocumentVersionPanel 
+          v-if="currentPage === 'documents'"
+          :visible="showVersionPanel"
+          :document-id="selectedDocumentId"
+          :current-content="selectedDocumentContent"
+          @close="showVersionPanel = false"
+          @restore="handleVersionRestore"
+        />
+      </template>
+    </main>
   </div>
 </template>
 
 <script setup>
 import { ref, computed } from 'vue'
 import { useAppStore } from './stores/app'
+import GlobalSidebar from './components/GlobalSidebar.vue'
 import WriterPanel from './components/WriterPanel.vue'
 import AnalysisPanel from './components/AnalysisPanel.vue'
 import DocumentsPanel from './components/DocumentsPanel.vue'
@@ -43,6 +56,8 @@ import SettingsPanel from './components/SettingsPanel.vue'
 import MainContent from './components/MainContent.vue'
 import ComparePanel from './components/ComparePanel.vue'
 import DocumentVersionPanel from './components/DocumentVersionPanel.vue'
+import DiffAnnotationPanel from './components/DiffAnnotationPanel.vue'
+import ArticleRewritePanel from './components/ArticleRewritePanel.vue'
 
 const appStore = useAppStore()
 const currentPage = computed(() => appStore.currentPage)
@@ -72,3 +87,4 @@ const handleVersionRestore = (content) => {
   }
 }
 </script>
+