An agent says a parser fix is complete. Which record most strongly supports accepting it?

An agent says a parser fix is complete. Which record most strongly supports accepting it?

1. Host-captured commands, revisions, exit codes, a red-green regression result, and a reviewed in-scope diff
2. A confident explanation that names the likely root cause
3. A screenshot containing green terminal text without the command or status
4. A type checker result with no evidence for runtime behavior