# LEN-0100 — Absence Lens ## Ontology Metadata Code: LEN-0100 Version: LEN-0100@0.1.0 Ontology release: 0.1.0 Updated: 2026-05-10T00:00:00Z Canonical URL: /workbench/lenses/absence-lens/ ## Summary Detects structurally required elements that are missing from the observed structure. ## Primary Pattern Matches - PAT-0280 — Density Vacuum - URL: /workbench/patterns/density-vacuum/ - Summary: A structural condition where a region expected to contain sufficient nodes, edges, coverage, or relationships falls below declared density thresholds. - PAT-0130 — Incomplete Declaration - URL: /workbench/patterns/incomplete-declaration/ - Summary: A structural condition where an element is declared but required attributes, dependencies, or linked definitions are missing. - PAT-0120 — Missing Authority - URL: /workbench/patterns/missing-authority/ - Summary: A structural condition where a region, action, state, or decision path exists without a declared governing authority. - PAT-0310 — Orphaned Structure - URL: /workbench/patterns/orphaned-structure/ - Summary: A structural condition where a node, region, object, state, or declaration exists without linkage to the governing graph or integration pathway. ## Secondary Pattern Matches None. ## Related Issues - 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-0087 — Agent Cannot Choose Tool Without Tool Result - URL: /workbench/issues/agent-cannot-choose-tool-without-tool-result/ - Summary: The agent needs a tool result to choose the right tool, but cannot obtain that result without choosing a tool first. - ISS-0099 — Agent Permission Expands Over Steps - URL: /workbench/issues/agent-permission-expands-over-steps/ - Summary: An agent begins with limited permission but gains, assumes, or exercises broader authority as the workflow continues. - ISS-0109 — AI Memory Has No Governance - URL: /workbench/issues/ai-memory-has-no-governance/ - Summary: Saved or persistent AI memory affects output without clear rules for ownership, scope, review, update, expiry, or removal. - ISS-0114 — AI Memory Updated Without Asking - URL: /workbench/issues/ai-memory-updated-without-asking/ - Summary: AI memory, saved context, preference, or durable state is updated without the user clearly asking for or approving that update. - ISS-0002 — Answer Has No Traceable Source Link - URL: /workbench/issues/answer-has-no-traceable-source-link/ - Summary: The answer makes a claim, recommendation, citation, or factual statement without a source link or trace path that allows the user to verify where it came from. - ISS-0088 — Approval Depends on Output That Needs Approval - URL: /workbench/issues/approval-depends-on-output-that-needs-approval/ - Summary: A required approval depends on an AI output or workflow result that itself cannot be produced or trusted until approval is granted. - ISS-0111 — Automation Skips Required Approval - URL: /workbench/issues/automation-skips-required-approval/ - Summary: An automated AI or workflow step proceeds past an approval gate that should have been required before action. - ISS-0085 — Cannot Identify Authoritative State - URL: /workbench/issues/cannot-identify-authoritative-state/ - Summary: The user or workflow cannot tell which state, version, review result, decision, source, or output is currently authoritative. - ISS-0015 — Declared Owner Cannot Control Outcome - URL: /workbench/issues/declared-owner-cannot-control-outcome/ - Summary: A person, role, system, or policy is declared responsible for an outcome but does not have the actual authority or control needed to govern it. - ISS-0077 — Diagnostic Area Has No Coverage - URL: /workbench/issues/diagnostic-area-has-no-coverage/ - Summary: A known diagnostic area, failure mode, requirement, or review dimension has no Issue, check, rubric item, or workflow coverage. - ISS-0081 — Evaluation Rubric Has Coverage Gap - URL: /workbench/issues/evaluation-rubric-has-coverage-gap/ - Summary: An evaluation rubric, grading standard, or review checklist leaves part of the required evaluation space uncovered. - ISS-0014 — Fallback Authority Is Missing - URL: /workbench/issues/fallback-authority-is-missing/ - Summary: The system does not declare who or what has authority when the primary owner, rule, tool, source, or decision path is unavailable or inconclusive. - ISS-0028 — Format Rule Too Weak - URL: /workbench/issues/format-rule-too-weak/ - Summary: The format instruction is too vague, incomplete, or optional to reliably produce output that satisfies the expected structure. - ISS-0084 — Merge Step Leaves Unresolved Differences - URL: /workbench/issues/merge-step-leaves-unresolved-differences/ - Summary: A merge, reconciliation, or consolidation step combines outputs or reviews but leaves important differences unresolved. - ISS-0074 — Missing Fallback for Unavailable Information - URL: /workbench/issues/missing-fallback-for-unavailable-information/ - Summary: The task does not declare what the AI should do when required information, sources, tools, fields, or evidence are unavailable. - ISS-0022 — Missing Required Fields - URL: /workbench/issues/missing-required-fields/ - Summary: The AI returns structured output that omits fields required by the schema, workflow, parser, form, or downstream consumer. - ISS-0050 — Model Output Triggers Unapproved Action - URL: /workbench/issues/model-output-triggers-unapproved-action/ - Summary: AI output causes, recommends, or triggers an action that has not passed the required approval, permission, or authority check. - ISS-0012 — No Owner for Agent Action - URL: /workbench/issues/no-owner-for-agent-action/ - Summary: An agent action can affect the system without a declared responsible owner, authority, or accountable decision path. - ISS-0079 — Policy Area Has No Examples - URL: /workbench/issues/policy-area-has-no-examples/ - Summary: A policy, rule, standard, or guidance area has no examples showing how it should apply to real cases. - ISS-0090 — Policy Decision Depends on Itself - URL: /workbench/issues/policy-decision-depends-on-itself/ - Summary: A policy decision requires the outcome of the same policy decision before it can be made. - ISS-0080 — Relationship Map Has Missing Links - URL: /workbench/issues/relationship-map-has-missing-links/ - Summary: A map of related Issues, rules, patterns, cases, fields, tools, or workflow steps is missing links needed to navigate or reason over the structure. - ISS-0105 — Review Queue Becomes Bottleneck - URL: /workbench/issues/review-queue-becomes-bottleneck/ - Summary: A review queue, approval path, or validation stage accumulates too much work and begins blocking the workflow. - ISS-0075 — Review Rubric Missing Required Criteria - URL: /workbench/issues/review-rubric-missing-required-criteria/ - Summary: A review rubric, grading rule, evaluation checklist, or classification standard lacks criteria required to make the review reliable. - 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-0033 — Saved Memory Not Used - URL: /workbench/issues/saved-memory-not-used/ - Summary: A saved memory, preference, instruction, or durable context item exists but does not affect the AI output when it should. - 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-0103 — Single Step Carries Too Many Decisions - URL: /workbench/issues/single-step-carries-too-many-decisions/ - Summary: One prompt, workflow step, review stage, or agent action carries too many decisions for the system or user to evaluate cleanly. - ISS-0011 — Task Has No Clear Limit - URL: /workbench/issues/task-has-no-clear-limit/ - Summary: The task does not declare where the AI should stop, what is out of scope, or what counts as enough work. - ISS-0030 — Task Progress Is Lost Midway - URL: /workbench/issues/task-progress-is-lost-midway/ - Summary: The AI loses track of completed work, prior decisions, current position, or remaining steps before the task is finished. - ISS-0108 — Tool Can Act Without Responsible Authority - URL: /workbench/issues/tool-can-act-without-responsible-authority/ - Summary: A tool, connector, function, or integration can perform an action without a declared responsible authority for that action. - ISS-0020 — Tool Exists but Required Inputs Are Missing - URL: /workbench/issues/tool-exists-but-required-inputs-are-missing/ - Summary: A usable tool or integration exists, but the AI or agent does not have the required inputs, permissions, fields, identifiers, or context needed to call it correctly. - ISS-0019 — Tool Result Not Integrated Correctly - URL: /workbench/issues/tool-result-not-integrated-correctly/ - Summary: The AI receives a tool result but misreads, ignores, overwrites, misplaces, or fails to incorporate it correctly into the final output or workflow state. - ISS-0078 — Workflow Stage Has Too Few Checks - URL: /workbench/issues/workflow-stage-has-too-few-checks/ - Summary: A workflow stage lacks enough checks, gates, criteria, or review conditions to safely support the work it controls. - ISS-0013 — Workflow Step Has No Decision Owner - URL: /workbench/issues/workflow-step-has-no-decision-owner/ - Summary: A workflow step requires a decision, approval, judgment, or routing choice, but no owner is declared for making it. - ISS-0073 — Workflow Step Lacks Required Conditions - URL: /workbench/issues/workflow-step-lacks-required-conditions/ - Summary: A workflow step can run, route, approve, reject, or continue without the required conditions being declared or checked. - ISS-0089 — Workflow Waits on Step That Waits Back - URL: /workbench/issues/workflow-waits-on-step-that-waits-back/ - Summary: A workflow step waits for another step that also waits on the first step, creating a blocking loop.