Expand description
The RUN error domain (governed-agents §6.9). Codes are append-only
from day one, same rule as every other domain (ERROR_CODES.md): never
renumber, never reuse. The code is the leading token of Display, and
code() returns it — both pinned by tests below and by the workspace
uniqueness/format tests.
Enums§
- Budget
Axis - The budget axes (§6.7).
Superstepsis the global backstop too. - RunError
- A runtime failure with a stable
RUN-Ennncode.