# Variable TrustTierSchema`Const`

TrustTierSchema: ZodEnum<{ "1": "1"; "2": "2"; "3": "3"; "4": "4" }> = ...

Trust tier classification for input sources. Lower number = higher trust.

1 = Authoritative (repo files, CI, CLAUDE.md, allowlisted maintainers) 2 = Semi-trusted (collaborator issue body, contributor PR metadata) 3 = Untrusted (unknown user comments, non-collaborator issue body) 4 = Hostile (injection patterns, hidden HTML, instruction-like content)

- Defined in packages/nexus-agents/src/security/trust-types.ts:27