- Update to swift-tools-version 6.0 and enable StrictConcurrency
- Make all data models and types Sendable for concurrency safety
- Migrate commands from ParsableCommand to AsyncParsableCommand
- Remove AsyncUtils.swift and synchronous bridging patterns
- Update WindowBounds property names to snake_case for consistency
- Ensure all error types conform to Sendable protocol
- Add comprehensive Swift 6 migration documentation
This migration enables full Swift 6 concurrency checking and data race
safety while maintaining backward compatibility with the existing API.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
