Timing: before. Require proof of competence before letting the executor act at all.
- computer: evals as an admission gate, signed drivers, attestation
- social: professional license, bar exam, certification
The 8th grid; always partly in the model vendor's hands. In vibe-linter it surfaces as a node-level executor requirements field — this node may only run an executor that has passed eval X. Connects to lcf-for-labor (a skill without an eval suite = an untyped component).
Up: control-methods