1. Software Development

Manages Protocol Buffers (protobuf) files, updates proto submodules, and interprets message structures like JonGUIState.

Provides testing patterns for Composable Svelte, including TestStore usage, dependency mocking, and composition strategy testing.

Continues software implementation by reading the 'Current Progress' section from a plan file in doc/plans/ and identifying the next task to execute.

Comprehensive validation of API endpoints including schema checks, authentication testing, and error handling verification.

Provides expert guidance for software development, including feature implementation, code reviews, and technical design feasibility assessments.

Generates clear, educational commit messages and executes git commit for improved version control practices.

Provides core architecture patterns for Svelte state management, including stores, reducers, effects, and composition strategies for scalable frontend applications.

Automates Git commit and push operations with Conventional Commits standard for consistent version control.

Manages user configuration files (dotfiles) using chezmoi, including tracking, comparing, and template handling with enforced safety rules.

Automates semantic versioning for software releases by creating and managing Git tags during the release process.

Enables state-driven navigation, URL routing, and Motion One animations for Svelte components like modals, drawers, and navigation flows.

Assists with WebAssembly (WASM) compilation, build configuration, and packaging, including Makefile management and build mode handling.

Provides internationalization (i18n) for Svelte applications, supporting translations, date/number formatting, locale detection, and SSR integration.

A library for implementing real-time chat and collaborative features in Svelte, including streaming, presence tracking, and WebSocket integration.

Provides specialized knowledge for developing, debugging, and building projects using Snapchat's Valdi framework for cross-platform UI components.

Offers Svelte components for audio players, video embeds, and voice input using Web Audio API and MediaRecorder.

Generates structured commit messages following conventional commit standards for improved version control and changelog management.

Provides state machine and actor patterns for managing complex application state, with React integration for frontend development.

Assists in planning feature implementations, creating design artifacts, and breaking down complex features into structured development phases.

Executes regression test suites to validate existing features remain functional following code modifications or updates.

Provides server-side rendering patterns for Composable Svelte, including renderToHTML, hydration, server routing, and SEO optimization to avoid common pitfalls.

Conducts comprehensive pre-merge review validating tests, type checks, linting, and PR metadata for merge readiness.

Manages OSD JSON configuration files and schema, enabling editing of config.json, widget settings, and font configurations with schema validation.

Provides TDD patterns for React Native testing using Jest, Testing Library, and XState.