Outreach opt-in matrix, RBAC grants, and compliance allowlist.
Image, audio, and video follow the active embedding model. Titan stays text. Nova 2 Multimodal enables those media automatically. Size ceilings stay 20 / 200 / 500 MB.
One row per AdminRole. Permissions are comma-separated AdminPermission identifiers (e.g. INFERENCE_WRITE, EMBEDDING_WRITE).