Architecture

One workbench. One control plane. Many specialist lanes.

SENTINEL keeps the user experience unified while routing work through Prefrontal Node for policy, model choice, tools, memory, approvals, and evidence.

Interaction layerChat, voice, files, source rail, action cards, and generated assets.

Control planePrefrontal routing, policy, memory, traces, eval hooks, and approvals.

Model lanesAssistant, coding, vision, image, embeddings, and legal profiles.

Data planeIngestion, source manifests, ACLs, vector retrieval, retention, and deletion.

Execution planeSandboxed tools, connectors, repo actions, legal verifiers, and exports.

Classify

Understand domain, risk, source scope, and needed capabilities.

Route

Pick model, tool, retrieval, and workflow strategy through policy.

Verify

Check sources, citations, quote spans, output policy, and action gates.

Record

Emit trace and evidence records for review, replay, and release proof.

One workbench. One control plane. Many specialist lanes.

Architecture is the product advantage.