Comprehensive guide for the Alloy MVC framework for Titanium SDK. Use when working with Titanium Alloy applications - creating or modifying Alloy MVC components (models, views, controllers), implementing data binding with Backbone.js models and collections, styling with TSS (Titanium Style Sheets), working with widgets and components, using the Alloy CLI for code generation, implementing migrations and sync adapters, integrating PurgeTSS for utility-first styling. This skill contains the complete official Alloy documentation.