feat(analysis): 添加分析查看器页面 (#122)

- 新增 AnalysisPage 页面查看 /workflow:analyze-with-file 分析结果
- 支持 Tab 分组展示：讨论记录、结论、代码探索、视角分析
- Markdown 内容富文本渲染，JSON 数据结构化卡片展示
- 添加后端 API 路由 /api/analysis
- 添加侧边栏导航入口和中英文翻译

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

ccw/frontend/src/router.tsx

@@ -36,6 +36,7 @@ import {
   CliSessionSharePage,
   TeamPage,
   TerminalDashboardPage,
+  AnalysisPage,
 } from '@/pages';
 
 /**
@@ -169,6 +170,10 @@ const routes: RouteObject[] = [
         path: 'teams',
         element: <TeamPage />,
       },
+      {
+        path: 'analysis',
+        element: <AnalysisPage />,
+      },
       {
         path: 'terminal-dashboard',
         element: <TerminalDashboardPage />,
@@ -234,6 +239,7 @@ export const ROUTES = {
   TEAMS: '/teams',
   TERMINAL_DASHBOARD: '/terminal-dashboard',
   SKILL_HUB: '/skill-hub',
+  ANALYSIS: '/analysis',
 } as const;
 
 export type RoutePath = (typeof ROUTES)[keyof typeof ROUTES];