The only error type the Cell toolchain throws. Every error carries a stable code, a one-line
hint that says how to fix it, and (when known) the file and line it comes from, so that coding
agents and humans can act on it without reading a stack trace (docs/design/agent-first.md R5).
The only error type the Cell toolchain throws. Every error carries a stable
code, a one-linehintthat says how to fix it, and (when known) the file and line it comes from, so that coding agents and humans can act on it without reading a stack trace (docs/design/agent-first.md R5).