AI Executive Office — CXO Assistant Platform  ·  View 06 of 30  ·  2 · People and journeys

Journey — Governance Officer, Reconstructing a Decision

Four months later, a regulator asks how a decision that moved money was reached. This journey is the reason several other views exist.

Editable source SVG draw.io All views
Governance officer risk and compliance Goal — Show the regulator how a decision that moved money was reached Trigger — An audit request naming a decision from four months ago Done when — A reconstructable chain from question to executed action 1 · Locate find the decision 2 · Reconstruct who saw what 3 · Verify were the numbers right? ◆ moment of truth 4 · Attest sign the pack ◆ moment of truth What they do Searches by amount and date Reads the question and plan Opens every tool call Re-runs the KPI as-of Exports the evidence pack Touchpoint Governance centre Decision timeline Evidence viewer Signed export Behind the glass Decision store index Trace + audit log As-of semantic query Immutable blob + hash How it feels Defensible Workable Indefensible Where it hurts Chat logs are not a record Which model version was it? Recomputed number has moved Export is just a screenshot What answers it Decision is the record, chat is a view Model and prompt version pinned Evidence snapshot, not a re-run Hash-chained, WORM retained Journey — Governance Officer, Reconstructing a Decision v 1.0 · owner Data & AI Global Practice · date 2026-09

The trough, and what answers it

  • The worst moment is Verify: the KPI is re-run and returns a different number, because the underlying data has since been restated. The decision now looks wrong when it was right
  • The answer is that evidence is a snapshot taken at the moment of the answer, stored immutably and never re-derived. Re-running gives today's number, which is the wrong answer to "what did the approver see?" (views 30, 11)
  • "Which model version was it?" is why the model identifier and the prompt version are written into every decision record — and why tenants can pin a version (views 22, 24)

Decisions

  • The decision record is the system of record; the chat thread is a rendering of it. This is the single most consequential modelling choice in the platform
  • The identity that writes the audit trail cannot delete from it. Separate identity, storage-enforced immutability, 10-year retention with legal hold

Assumptions

  • Retention of 10 years assumed for public-sector tenants; confirm per contract, as it materially changes storage cost
  • The regulator is given a read-only view rather than an export by default. This is a policy assumption and should be tested with the first customer
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Solution Architecture v1.0 · Azure-native, multi-tenant, sovereign-capable · Data & AI Global Practice · 2026-0906-journey-governance-audit