Release v0.3.5

更新内容:

• 新增标签分组管理功能，活动支持分组图标键，全局标签图标开关可配置
• 图标可作为可排序字段加入纯文字列表布局
• 新增批量图标搜索、自动图标分配、批量更新标签工具
• 图标搜索未命中结果可持久化保存，设置页新增图标库路由入口
• 扩展AI工具集，补齐统计查询、目标管理、图标搜索、活动与行为编辑能力
• AI对话输入框全屏编辑模式，背景统一为透明
• 修复标签分类列表在特定时序下为空的问题
• 修复专注卡片、滚轴、AI输入框、标签配置弹窗等6项界面问题
• 全项目性能与线程安全优化，代码清理

Updates:

• Added tag group management; activities support group icon key; global tag icon toggle is configurable
• Icons can now be sorted fields in plain text list layout
• Batch icon search, auto-icon assignment, and bulk tag update tools
• Unfound icon search results can be persisted; new icon library route in Settings
• Extended AI tool set with statistics, goal management, icon search, activity & behavior editing
• Full-screen editing mode for AI chat input; unified transparent background
• Fixed tag category list being empty due to initialization timing
• Fixed 6 UI issues across focus card, scroll wheel, AI input, tag config dialog
• Project-wide performance and thread-safety optimization, code cleanup