Agent Halo v0.10.2

Agent Halo v0.10.2 pre-release.

Highlights:

• Added off-screen recovery to move the halo back to the primary display.
• Improved state transitions, breathing animation, attention pulses, and fault lifecycle.
• Updated bilingual documentation and local privacy details.

更新重点：

• 新增“脱离卡死”，可将光环移回主屏右上角。
• 优化状态切换、呼吸动画、授权双脉冲和故障生命周期。
• 更新中英文 README 与本地隐私说明。