where_to_look is a list-typed handoff field like consequences/next_steps
but was the only one NOT in the _wrap_scalar_in_list field_validator. A
well-intentioned where_to_look='src/api/' 422'd at the route with no
remediation envelope, and the agent's retry loop tripped the do-server
circuit breaker — the exact failure mode the other list fields were
hardened against. Add it to the mode='before' validator so a lone string
is wrapped into a one-element list before type coercion.
Renn F
e93a77e52b