Product Boundary and Release Authority Decision

Status: Accepted
Date: 2026-08-20
Scope: Photo-assisted bowel logging and release governance

Context

Timmy can make a conservative visual suggestion from a user-selected image, but the available general-purpose model is not clinically validated. The product must preserve manual logging, deterministic red-flag escalation, and user control regardless of model availability or output.

Decision

Observable AI fields

AI may suggest only:

visible Bristol form (Types 1–7);
broad color;
image quality.

Every suggestion is provisional, may abstain, and requires user review or correction before it can enter the journal. Symptoms remain user-entered, and journal saving is separate from training contribution consent.

Prohibited inferences

AI must not infer or claim disease, bleeding, pain, urgency, fever, vomiting, treatment, causation, or whether a food is safe. It must not replace professional care, suppress deterministic red-flag escalation, or present a suggestion as a diagnosis.

Release authority

Hermes/Timmy is the release authority for routine engineering, test, build, deployment, and release-candidate preparation. Automated evidence must remain reproducible and must not overstate model accuracy or safety.

Human gates

Human gates are limited to:

clinical and privacy review when language or policy crosses those boundaries;
beta consent before participation;
RC approval before shipping a release candidate.

Routine provisioning, deployment, label sweeps, and release-candidate assembly are not human-operated gates.

Consequences

Model output is assistive and fail-closed, never authoritative.
A generic open-weight VLM can support bootstrap experiments but cannot become the production Bristol classifier without the documented calibration and evaluation evidence.
Release evidence and demonstrations must use fictional or synthetic data and state the non-diagnostic boundary honestly.

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