I built A2CR because long AI-agent work still breaks at the handoff. Codex, Claude Code, Roo Code, and other agentic coding tools are getting better at writing code, inspecting files, running tests, and using tools. But when a task runs for a while, a different problem appears: How do you hand the work to the next AI session? You might open a fresh chat. You might switch models. You might move from one MCP-capable client to another. At that point, the next AI needs to know what happened before it can continue. The obvious answer is to paste the whole chat history. That works for small tasks. It gets messy for long work.…