| Gate | PR-oriented review mode with check run / comments |
| Stewardship | Branch/path audit mode with durable findings |
| Unit | Planned batch of files for specialists |
| Specialist | Role-focused agent (security, correctness, …) |
| Discourse | Thorough dual-pass dialogue among specialists |
| Judge | Final keep/drop/severity aggregation |
| Finding | Durable issue with fingerprint and lifecycle |
| Learning | Org memory from reactions / dismissals |
| Graph | Structural code index via Codesteward Graph MCP |
| Platform operator | Install-wide admin (not just org admin) |
| SoT | Source of truth (Postgres for jobs) |