新增: 初始化 DevFlow 项目仓库

Tauri 2 + Vue 3 + Vite 6 桌面应用，Rust workspace 含 13 个 crate
(df-ai / df-storage / df-workflow / df-core / df-execute 等)。
核心能力：AI 聊天 agentic 循环(工具调用+人工审批)、工作流引擎、
任务/想法/项目/阶段管理、可追溯性，及配套前端组件。

src/router/index.ts

@@ -0,0 +1,69 @@
+import { createRouter, createWebHashHistory } from 'vue-router'
+
+const routes = [
+  {
+    path: '/',
+    redirect: '/ai-home',
+  },
+  {
+    path: '/ai-home',
+    name: 'AiHome',
+    component: () => import('../views/AiHome.vue'),
+    meta: { title: 'AI Chat' },
+  },
+  {
+    path: '/dashboard',
+    name: 'Dashboard',
+    component: () => import('../views/Dashboard.vue'),
+    meta: { title: '总览', icon: 'icon-dashboard' },
+  },
+  {
+    path: '/ideas',
+    name: 'Ideas',
+    component: () => import('../views/Ideas.vue'),
+    meta: { title: '灵感', icon: 'icon-lightbulb' },
+  },
+  {
+    path: '/projects',
+    name: 'Projects',
+    component: () => import('../views/Projects.vue'),
+    meta: { title: '项目', icon: 'icon-apps' },
+  },
+  {
+    path: '/projects/:id',
+    name: 'ProjectDetail',
+    component: () => import('../views/ProjectDetail.vue'),
+    meta: { title: '项目详情', icon: 'icon-apps' },
+  },
+  {
+    path: '/tasks',
+    name: 'Tasks',
+    component: () => import('../views/Tasks.vue'),
+    meta: { title: '任务', icon: 'icon-thunder' },
+  },
+  {
+    path: '/knowledge',
+    name: 'Knowledge',
+    component: () => import('../views/Knowledge.vue'),
+    meta: { title: '知识库', icon: 'icon-book' },
+  },
+  {
+    path: '/settings',
+    name: 'Settings',
+    component: () => import('../views/Settings.vue'),
+    meta: { title: '设置', icon: 'icon-settings' },
+  },
+  {
+    path: '/ai-detached',
+    name: 'AiDetached',
+    component: () => import('../views/AiDetached.vue'),
+    meta: { title: 'AI Chat', icon: 'icon-ai' },
+  },
+]
+
+const router = createRouter({
+  history: createWebHashHistory(),
+  routes,
+})
+
+export default router