HTTP Clients Core Knowledge Full Reference : See advanced.md for token refresh flow, retry with exponential backoff, request cancellation, and type-safe API client patterns. Deep Knowledge : Use with technology: for comprehensive documentation. Axios Setup Fetch API Wrapper ky (Modern Fetch Wrapper) ofetch (Universal Fetch) When NOT to Use This Skill - Axios-specific configuration (use skill) - GraphQL client setup (use skill) - tRPC client configuration (use skill) - WebSocket or Server-Sent Events Anti-Patterns | Anti-Pattern | Why It's Bad | Solution | |--------------|--------------|------…