Sandbox demo
Migrating Legacy Code
TypeScript adoption in a JS codebase, one module at a time, tests stay green.
Big migrations fail when teams treat them as one push. The agent-driven approach is the opposite: migrate one leaf module first, ship it, do the next leaf. The repo is always green; you can stop at any point.
Sandbox transcript
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The transcript is canned — no real API calls. The point is to internalize the loop: user → plan → tool → result → answer.
Check your understanding
Q1. What's the key constraint that makes leaf-by-leaf migration safe?
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