v0.73.0: Emacs keybindings, remote access flag, faster response times, and reliability improvements

New features

- Additional Emacs keybindings - Added more Emacs-style keyboard shortcuts for text editing in the CLI
- --remote-access flag - Remote session access now requires the explicit --remote-access flag for improved security

Improvements

- Faster time to first token - Reduced time to first response by ~8% through lazy loading and caching optimizations
- Session reconnection reliability - Pending requests are now preserved and replayed when reconnecting after a disconnection (Factory App)

Bug fixes

- Spec mode model handling - Fixed spec mode using the wrong model for thinking block processing
- Auto-update reliability - Fixed auto-update failures on read-only directories and Windows updates getting stuck in a pending state
- Mission Control layout - Fixed layout stability issues in Mission Control
- Tool confirmation double-click - Fixed tool confirmation buttons firing twice on a single click
- Tool format tolerance - Improved tolerance for format variations in AskUser and TodoWrite tool responses
- Unicode character handling - Fixed crashes caused by broken Unicode characters in messages
- MCP OAuth security - Improved OAuth state verification for MCP server connections
- Multiple CLI instance isolation - Fixed interference between multiple concurrent CLI instances
- Tool filtering in exec mode - Fixed incorrect tool filtering when running in exec mode
- Model provider switching - Fixed issues when switching between model providers mid-conversation
- Worktree branch handling - Fixed error when using worktrees with an already checked-out branch
- Droid Computer connect modal - Fixed VS Code config display in the Droid Computer connect modal (Factory App)