v0.6.4

Changes

• Improve OpenCode config error handling and UI responsiveness
• Replace OpenCode server restarts with config reloads for faster updates
• Add per-repo reset permissions feature
• Fix permission dialog using wrong ID and add typed permission labels
• Allow text paste on iOS by checking clipboard text before files
• Add settings to mobile menu and fix header styling
• Fix invisible code blocks in dark mode
• Add app loader and skeleton states
• Add session ID filter to SSE error handling
• Add project roadmap and contribution guidelines