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Architecture

What decides, what runs, what gets recorded

MasterEngine separates proposal, authorization, and evidence into distinct system roles. No single component holds all three.

“Models propose. The Control Plane authorizes. Durable workflows coordinate. Typed tools execute. PostgreSQL records authority. Evidence proves what happened.”

System roles

Authority flows through one path

Proposals move through a single authorization path. Anything derived — like graph and search views — reads from the record; it never writes authority back into it.

  1. Authoritative

    Control Plane / PostgreSQL

    The only application authorization boundary for governed mutations. Cloud SQL PostgreSQL is the record of authority.

  2. Orchestration

    Temporal

    Owns durable mission control flow. Workflows stay deterministic; side effects live in activities.

  3. Derived

    Graph / Search

    Optional projections that read from the authoritative record. They never write authority back.

  4. Proposal-only

    Models

    Generate proposals and information. They do not self-authorize or hold production credentials.

How it works

Governed execution lifecycle

Every governed action in Mission Control moves through the same six stages, from initial proposal to a verified, evidence-backed record.

  1. 01

    Propose

    Models and agents draft actions against context — they never execute on their own.

  2. 02

    Evaluate

    Policy, tenancy, budget, and risk checks run before anything is reserved.

  3. 03

    Reserve / Approve

    Capacity is held and human or policy approval is collected when required.

  4. 04

    Authorize

    The Control Plane issues authority. Only then may typed tools proceed.

  5. 05

    Orchestrate / Execute

    Durable workflows coordinate steps; typed tools perform the authorized work.

  6. 06

    Record / Verify

    PostgreSQL records authority; evidence proves what happened and why.

Honest status

What's live, and what's the target

Mission Control is a live public preview. The Control Plane described here is the architecture target it is built toward — not a separately shipping product yet.

Mission ControlPublic preview
Control PlaneArchitecture target
MasterEngine StudioDirection
Revenue RecoveryProving ground

See the governed execution lifecycle in action inside the Experience Plane.

Open Mission Control (opens in a new tab)