tlvsunflowers

Docker and Docker Compose best practices for Node.js applications. This skill should be used when writing, reviewing, or modifying Dockerfiles, docker-compose files, or container orchestration configs. Triggers on tasks involving Docker, containers, deployment, or infrastructure.

Double-entry accounting ledger patterns for group billing. This skill should be used when implementing the billing/ledger system, recording financial transactions, calculating balances, or handling charges, payments, adjustments, and voids. Triggers on tasks involving billing, ledger, accounting, charges, payments, balances, or financial transactions.

Express.js API patterns for TypeScript backends with raw SQL (pg), JWT auth, RBAC, and Zod validation. This skill should be used when writing API routes, middleware, database queries, or auth logic. Triggers on tasks involving Express endpoints, middleware, SQL queries, authentication, or authorization.

pnpm workspaces + Turborepo patterns for TypeScript monorepos. This skill should be used when configuring the monorepo, adding packages, setting up build pipelines, or managing shared dependencies. Triggers on tasks involving pnpm workspaces, turbo, shared packages, build configuration, or CI/CD setup.

Progressive Web App patterns for offline-first React applications using Workbox, IndexedDB, and Web Push. This skill should be used when implementing PWA features, service workers, offline functionality, push notifications, or caching strategies. Triggers on tasks involving PWA, service worker, offline, Web Push, or caching.

Tournament bracket generation and management algorithms for tennis. This skill should be used when implementing tournament formats (single/double elimination, round robin, group+knockout), draw generation, score recording, bracket advancement, or standings calculation. Triggers on tasks involving tournaments, brackets, draws, seeding, round-robin, elimination, or standings.

Update the current work item displayed in the status line. Use when you want to set or analyze what task is being worked on. Triggers on "/work-item", "update work item", "set current task", or "what am I working on".

Create and manage Claude-specific worktrees with automated setup and cleanup. Use this skill (via Skill tool or direct script) when asked to "create a worktree", "new worktree", "worktree for feature/staging", "setup isolated environment", or "cleanup old worktrees". Script path is auto-detected when using Skill tool. Handles smart naming, .env copying, background pnpm install, and automatic cleanup of stale worktrees.

Guide for working within git worktrees in the tennis-team monorepo. Use this skill when you detect you're working in a worktree (path contains "claude-worktrees" or is outside the main project directory), when asked to "set up worktree", "install dependencies in worktree", "build in worktree", "merge worktree", or when troubleshooting worktree-specific issues. Covers Docker infrastructure, PostgreSQL/Redis setup, pnpm/turbo commands, environment setup, git workflows (merging, conflict resolution, cleanup), and common worktree pitfalls.