- Homepage: replace starter prompts with 5 digital-employee showcase cards
  (geo/xiaohongshu/douyin/planner/wechat) that navigate to expert projects
- Status chip: change "已就绪" to "运行中" with green dot, green text, green border
- switchExpert: set viewMode after switchProject completes (safer ordering)
- manifest.json: upgrade geo & wechat from home-chat-shortcut to standalone,
  add xhs & douyin standalone entries with full projectMatchKeywords
- Resolve expert key/visual key for planner, wechat, geo, zhihu
- Add ProjectRole shared type; enrich geo expert guide with 4 default roles
- CSS: remove conversation-workspace border/background/shadow, add overflow
  visible for card hover scale, match StatusChip positive tone to Windows client
- Fix /geo/ regex to word-boundary to avoid false substring matches
- Fix activeExpertGuide roles not falling back to guide defaults
- Fix expertMatchesCategory missing wechat/公众号 in isContent regex
- Fix resolveExpertKey planner regex missing 内容账号规划 keyword
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Increase border-radius values for all left sidebar navigation elements:
- Nav items, session cards, expert cards
- Sidebar sections and containers
- Category items and expert items
- New session button
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>