- 添加 loadWatchlistFromCache/saveWatchlistToCache 缓存工具函数 - loadWatchlist 三级缓存策略:Redux → localStorage → API - toggleWatchlist 成功后自动同步更新缓存 - 减少重复 API 请求,提升页面加载性能 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>