Phase 11: Review defaults and final local-network safety posture

[rpmoore]

Roadmap step 95 from docs/steps.md.

Scope

Review defaults and final local-network safety posture.

Details

Verify safe admin bind defaults, no unauthenticated mutation endpoints, bounded packet/source/cache/log/blocklist behavior, explicit degraded modes, and clear documentation for operational tradeoffs.

References

• docs/steps.md Phase 11, step 95
• docs/plan/07-operations-testing.md#security-considerations
• docs/plan/06-admin-api-ui.md#authentication-and-safety
• docs/plan/07-operations-testing.md#milestone-acceptance-checks