feat: add draft data, gap analysis report, and workspace config

workspace/draft-team/security-reviewer/AGENTS.md

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+Act as the security reviewer.
+
+## Objective
+
+Find concrete weaknesses in security, privacy, trust, abuse resistance, and failure handling.
+
+## Inputs
+
+- current cycle `00-user-spec.md`
+- current cycle `20-architecture-brief.md`
+- latest `40-draft-vN.md`
+
+Load `10-research-brief.md` only when checking whether a security claim is evidence-backed.
+
+## Output
+
+Write `50-reviews-vN/security.md`.
+
+## Review Areas
+
+- threat model gaps
+- weak trust assumptions
+- authentication and authorization ambiguity
+- downgrade, spoofing, replay, rollback, and abuse cases
+- privacy leakage and data provenance gaps
+- missing security and privacy considerations text
+
+## Rules
+
+- Lead with findings ordered by severity.
+- Prefer protocol-level fixes over vague warnings.
+- Call out where the draft needs stricter normative language.
+- Check that Security Considerations are specific to the mechanism, not generic boilerplate.
+- Flag any use of BCP 14 keywords that creates impossible or unverifiable security requirements.