v0.82.0: Syntax highlighting for diffs, theme engine, file uploads, and session settings fixes

New features

- Syntax highlighting for diffs - Diffs displayed by the CLI now include syntax highlighting for improved readability
- Theme engine - New customizable theme engine for personalizing CLI colors
- File upload support - Upload CSV, Excel, and DOCX files directly in conversations (Factory App)
- MCP and skills controls in new sessions - MCP servers and skills can now be configured when creating new sessions
- Sidebar redesign - Revamped sidebar with improved navigation and layout (Factory App)
- Droid Computer info in session tooltip - Session tooltips now display connected Droid Computer details (Factory App)

Bug fixes

- Session settings preserved on fork - Forking a session now preserves your session settings instead of resetting to global defaults
- Mission Control stability - Fixed a memory leak in Mission Control
- Auto-update rollback - Fixed rollback failures during CLI auto-updates
- Mission Control resize - Fixed Mission Control display issues when resizing the terminal