chore: release 0.7.0

[github-actions]

🤖 I have created a release beep boop

0.7.0 (2026-07-16)

Features

• add a smooth caret animation setting (#840) (bc1f201)
• configure AI chat system prompts (#775) (091519d)
• render Mermaid code blocks (#841) (a7b7c8d)

Bug Fixes

• allow changing AI provider default models (#810) (554bdea)
• capture iOS audio memos from Bluetooth headsets (#789) (8a4e2ea)
• keep app running when closing Mac window (#808) (e98f4d3)
• let the Mac close button hide the app (#811) (df0e6fa)
• prevent macOS iCloud launch crashes (#846) (df42bd8)
• rename GitHub backup to GitHub sync in settings (#830) (69a3a29)
• update meowdown to ^0.48.0 (#791) (e1ac9b6)
• update meowdown to ^0.49.0 (#796) (2d1f91a)
• update meowdown to ^0.50.0 (#798) (559de5c)
• update meowdown to ^0.51.0 (#837) (41b6a85)
• update meowdown to ^0.52.1 (#847) (aee87be)
• update meowdown to ^0.52.2 (#853) (49546ee)

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