- Rename 'settings/设置' to '应用管理' in both collapsed and expanded sidebar states
- Add '模型评测' sub-menu item in Popover, navigating to /models_evaluation
- Replace ThunderboltOutlined with RocketOutlined for skills (more thematic)
- Add LineChartOutlined for model evaluation entry
- Upgrade active/hover highlight from gray (#F1F5F9) to brand blue (Tailwind blue palette)
- Add dark mode support for all new highlight styles
- Add isSettingsActive const to track all 5 app-management sub-routes
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
- Replace bottom '查看全部' text link in sidebar with MoreOutlined icon + Tooltip
in the '所有任务' section header (flex justify-between layout)
- Add debounced search input (SearchOutlined, 300ms) to /conversations page
- Implement client-side title filtering via filteredList useMemo
- Show distinct empty states: '暂无历史记录' vs '没有匹配的对话'
