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Before starting development, assess the current project state:

Type-safe React = compile-time guarantees = confident refactoring.

TypeScript-first background jobs and AI workflows with built-in integrations and reliable async execution. \n \n Supports eight core capability areas: tasks, AI jobs, integrations, scheduled triggers, webhooks, long-running operations, queues, and batch processing \n Includes built-in integrations (OpenAI, Stripe, email systems) with automatic retries and idempotency handling for reliable execution \n Designed for Next.js projects with TypeScript-first API; handles everything from simple schedul

Structured progress tracking for multi-session development work with durable handoff files. \n \n Four core modes: start a new session with project orientation, checkpoint progress with WIP commits and learnings capture, resume from SESSION.md with git diff context, and wrap sessions with completeness checks \n Automatically manages SESSION.md files (progress log, current position, blockers, resume instructions) and updates CLAUDE.md with discovered patterns and gotchas \n Reads git history and

When this skill is triggered, you MUST follow this workflow before writing any code.

A practical guide for building iOS applications using UIKit, SnapKit, and SwiftUI. Focuses on proven patterns and Apple platform conventions.

You're building an automated QA pipeline that tests a Python application end-to-end — running it the same way a real user would, with real inputs — then scoring the outputs using evaluators and producing pass/fail results via pixie test.

This skill enables creation of developer-focused presentations using Slidev - a Vue-powered presentation framework. Write slides in Markdown with live code demos, diagrams, and components.

Access Google's most advanced AI models built for enterprise use cases using the Gemini API in Vertex AI.

Opinionated backend architecture standards for Node.js, Express, and TypeScript microservices. \n \n Enforces strict layered architecture (routes → controllers → services → repositories) with zero business logic in routes and mandatory BaseController pattern for all controllers \n Requires Zod validation on all external input, Sentry error tracking on all exceptions, and unifiedConfig as the single source for environment configuration \n Includes Backend Feasibility & Risk Index (BFRI) scor