Drive the user's own Claude Code and Codex — on their own subscription logins, no API keys — from AI Matrx, and take over chats they started elsewhere. The engine wraps Paperclip's MIT driver packages with every fix the 2026-09-27 spike found (clean envir

A comprehensive guide for setting up Claude Code CLI with PRD-driven workflows, extended thinking (ultrathink), and planning modes optimized for Swift/SwiftUI iOS development.