# Benchmark Artifact Contract E2E Audit Note

Date: 2026-03-04T07:21:59Z

## Scope
Executed end-to-end artifact contract checks in  using:
-  (wrapper)
-  (canonical contract source)

## Commands and exit codes

| case | command | exit_code | outcome |
|---|---|---:|---|
| positive (real artifacts) |  | 0 | expected pass |
| negative (intentional missing artifact) |  | 1 | expected fail ( missing) |

## Evidence
- Positive log: 
- Positive exit: 
- Negative log: 
- Negative exit: 

### Negative mutation details
Created a copy of  at  and removed only:
- 

Pointers retained to keep failure localized:
- 
- 
-