# PAT-0390 — Threshold Breach

## Ontology Metadata

Code: PAT-0390
Version: PAT-0390@0.1.0
Ontology release: 0.1.0
Updated: 2026-05-10T00:00:00Z
Canonical URL: /workbench/patterns/threshold-breach/

## Summary

A structural condition where an observed metric, value, state, or condition exceeds a declared quantitative or qualitative threshold.

## Primary Lenses

- LEN-0210 — Invariant Lens
  - URL: /workbench/lenses/invariant-lens/
  - Summary: Verifies that declared invariants are structurally enforceable and not contradicted by observed structure.

## Secondary Lenses

- LEN-0120 — Boundary Compliance Lens
  - URL: /workbench/lenses/boundary-compliance-lens/
  - Summary: Evaluates observed structure against declared boundary posture, including allow, block, and exception rules.

## Primary Issue Matches

- ISS-0064 — Action Triggered by Confidence Score
  - URL: /workbench/issues/action-triggered-by-confidence-score/
  - Summary: A confidence score, certainty label, risk level, or probability-like value triggers an action without enough approval, calibration, or authority control.
- ISS-0060 — Output Exceeds Length Limit
  - URL: /workbench/issues/output-exceeds-length-limit/
  - Summary: The AI output exceeds a declared length, token, word, character, section, field, or size limit.

## Supporting Issue Matches

- ISS-0065 — Risk Score Triggers Wrong Escalation
  - URL: /workbench/issues/risk-score-triggers-wrong-escalation/
  - Summary: A risk score, severity label, confidence value, or threshold result triggers the wrong escalation path.
- ISS-0095 — Risk Signal Escalates Beyond Evidence
  - URL: /workbench/issues/risk-signal-escalates-beyond-evidence/
  - Summary: A risk signal, warning, score, or concern escalates farther than the available evidence supports.
- ISS-0102 — Severity Increases Without New Evidence
  - URL: /workbench/issues/severity-increases-without-new-evidence/
  - Summary: The severity, risk, confidence, or escalation level increases even though no new evidence has been added.
- ISS-0098 — Small Issue Keeps Escalating
  - URL: /workbench/issues/small-issue-keeps-escalating/
  - Summary: A small issue, warning, uncertainty, or correction keeps increasing in severity, scope, or workflow impact across later steps.