Research brief

Status: complete; published 2026-08-19

Scope as inventoried (v0 held), minus MCP/tool security (R03) and sandbox/egress/workload-identity infrastructure (R01). Layer questions answered: deterministic zones (H07 reframed), presence-identity boundary (H23 refined), security ops org design (H24), guardrail posture (CD-16), monitoring tooling (CD-13). Maintainer POV: Batch B kickoff questions 1-2 and 5 (2026-08-19).

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Source: research/R10-security-and-identity/brief.md in the evidence repository behind this site.