- Add TodoEntity, TodoDao, TodoRepository, and TodoRepositoryImpl for local todo storage with sync support
- Implement TodoViewModel with CRUD operations, group management, and subtask handling
- Create TodoScreen with Kanban-style board view, group-based organization, and drag-to-reorder support
- Add BrainDumpSheet for AI-powered task extraction from natural language input using Gemini API
- Implement TodoNot
- Create MarkdownUtils.preprocessMarkdown() for consistent Markdown normalization
- Apply preprocessing to LinkDetailsView description rendering
- Apply preprocessing to MarkdownPreview and MarkdownReader components
- Bump version to 1.4.0 (VERSION_CODE 13)
- Add version.properties file as single source of truth for VERSION_NAME and VERSION_CODE
- Create build.ps1 script with automated version bumping (Major/Minor/Patch/None) and build orchestration
- Update app/build.gradle.kts to read version from version.properties instead of hardcoded values
- Display dynamic version info in Settings screen using BuildConfig.VERSION_NAME and VERSION_CODE
- Add