Deepstrain: An AI Execution Substrate That Replaces Black-Box Agents With Controllable Engineering Runtimes

The Problem AI coding assistants are everywhere, but most of them share a fundamental flaw: they're black boxes. You give them a prompt, they start spamming tools, and you have no idea what they're about to do until it's done — or worse, until they've already made a mess. Claude Code locks you into Anthropic. Cursor locks you into their backend. GitHub Copilot can't touch your file system. AutoGPT and CrewAI act first, plan never. If you're building production software, this is unacceptable....