feat: 初始化AI写作工坊项目

- 实现基于Vue 3 + Vite的模块化架构
- 集成DeepSeek API进行内容生成
- 支持写作范式分析功能
- 添加环境变量配置支持
- 完整的项目结构和文档

src/App.vue

@@ -0,0 +1,21 @@
+<template>
+  <div class="flex h-full">
+    <!-- 左侧面板 -->
+    <WriterPanel v-if="currentPage === 'writer'" />
+    <AnalysisPanel v-else />
+    
+    <!-- 右侧主内容区 -->
+    <MainContent />
+  </div>
+</template>
+
+<script setup>
+import { computed } from 'vue'
+import { useAppStore } from './stores/app'
+import WriterPanel from './components/WriterPanel.vue'
+import AnalysisPanel from './components/AnalysisPanel.vue'
+import MainContent from './components/MainContent.vue'
+
+const appStore = useAppStore()
+const currentPage = computed(() => appStore.currentPage)
+</script>