AEA Outer Harness — Decision Layer (generate · decide · execute)

AEA Outer Harness — Decision Layer (generate · decide · execute) An architecture diagram generated by Archify. Human / sponsor · Goals · taste · sign-off · Architecture component Human / sponsor Goals · taste · sign-off Work request · Task · state · tools · Outer Harness control plane · intake Work request Task · state · tools intake Shared Understanding · Vault · memory · Architecture component Shared Understanding Vault · memory Sensors / probes · Honesty · Unknown · Outer Harness control plane Sensors / probes Honesty · Unknown Generative LLM · Write · plan · draft · Outer Harness control plane · System Two Generative LLM Write · plan · draft System Two Decision Layer · Choice · Score · Gate · Outer Harness control plane › Typed judgments (not generative) · System One Decision Layer Choice · Score · Gate System One Cost Guardian · Model-tier Choice · Outer Harness control plane › Typed judgments (not generative) Cost Guardian Model-tier Choice Code / Domain Svcs · Validate · execute · Outer Harness control plane Code / Domain Svcs Validate · execute Park list (#441) · Irreversible stops · Outer Harness control plane › Typed judgments (not generative) Park list (#441) Irreversible stops Side effects · Send · publish · pay · Architecture component Side effects Send · publish · pay intent draft / plan typed questions state probe tier Choice propose tool AutoMode route / score allow / stop Outer Harness control plane Typed judgments (not generative) Legend Backend Database Cloud Security External

Three roles

  • • Generative LLM — write, plan, draft (System Two)
  • • Decision Layer — Choice · Score · Gate (System One)
  • • Code / Domain Services — execute; own irreversible gates

Middleware patterns (Documented)

  • • Model-tier Choice — cheapest capable model before spend (#473)
  • • AutoMode pre-tool Gate — risk check before side effects; maps #441 (#474)
  • • Not a TypeSafe/Jev Path B dependency

Holmberg recipe families (#472)

  • • Second-brain classify + dedupe
  • • Content anti-slop / voice Gate
  • • Post Score vs history · SEO draft vs SERP Score

Honesty

  • • Documented aid until architecture.artof.link Pages probe
  • • Documented ≠ Live · CloudAgent held
  • • Vendor $/tok is not AEA evidence