Original Euangelion diagram, November 9, 2026. Author: Euangelion editorial team (Codex-assisted vector authoring). No third-party artwork, logos or screenshots copied. Copyright Euangelion. Authorized for this publication. Identity: Prompt and tool-call paths pass through a blue policy checkpoint. One denied branch ends at a stop bar; permitted paths continue. Evidence limitation: Supported-surface policy mechanism; no assertion of complete threat coverage or independent enforcement testing. Sources: https://claude.com/resources/articles/claude-enterprise-security-updates https://support.claude.com/en/articles/16059458-inference-hooks-overview Geometry and data: Original schematic; distances, counts and shape areas are not measured performance, unless the caption explicitly states a calculated or dated relationship. Final browser layout review remains required before publication.