$ show Ceceliaee/patina
Patina is a local-first desktop time tracking application built with the Tauri framework (React frontend + Rust backend). It automatically monitors foreground application and web usage, providing activity classification, data visualization through dashboards and heatmaps, productivity tools (Pomodoro timer, reminders), and data export/backup capabilities. The application emphasizes privacy with local-first data storage while offering optional remote backup via WebDAV. It features a modular architecture with clear separation between frontend/UI, backend/services, and platform abstractions, communicating through Tauri IPC.
The LLM identified 5 files worth highlighting for reuse:
A comprehensive, consistently styled UI component library built with React and TypeScript. Includes buttons, switches, dialogs, tooltips, calendars, date pickers, range controls, and more. Each component follows strict accessibility guidelines, uses CSS variables for theming, and is designed for composition. Demonstrates non-obvious skill in creating a cohesive design system that balances customization with consistency.
A robust internationalization system that implements ICU-based message formatting with support for plurals, concatenation, and conditionals. Includes compile-time generation of type-safe locale contracts, runtime locale loading with stale/failure handling, and hooks for easy consumption in React components. Stands out for handling edge cases like missing translations, locale fallbacks, and the generated contract system that prevents runtime errors from missing keys.
A sophisticated application and web domain classification system that maps executables and URLs to productivity categories. Features executable normalization, user-overridable rules, domain-specific classification, and efficient lookup mechanisms. Demonstrates non-obvious skill in balancing performance with flexibility - uses efficient data structures for runtime lookups while allowing users to customize classifications without requiring application restarts.
A read model implementation that transforms raw tracking events into queryable activity data. Implements a snapshot pattern with efficient invalidation strategies, separating event storage from query optimization. Demonstrates skill in handling temporal data aggregation (hourly buckets, daily heatmaps) while maintaining performance through intelligent caching. Notable for compile-time safety of read model contracts and clear separation between gateway interface and implementation.
A robust bidirectional bridge between the Tauri desktop application and browser extensions for web activity tracking. Implements sophisticated connection lifecycle management with exponential backoff retry logic, message queuing during disconnections, and heartbeat monitoring. Demonstrates non-obvious skill in handling unreliable browser extension connections while maintaining data consistency. Separation of concerns between bridge lifecycle management and data processing makes this pattern highly reusable for browser-desktop integration.