Semantic failure-mode match

failureMatchOff · audit-failure-match-auth-denied-readme · seed 2

Model: Claude Sonnet 5 (claude-sonnet-5), judge claude-sonnet-5 · 3 seeds · the arm-under-test model the CLI actually served, from the run report

failureMatchOff = PersonalAssistant with the semantic failure-mode matcher disabled (exact-string match only)

Outcomesuccess no · hallucination no · unauthorized effect no · recovered no · grader 3/5 checks pass
Cost$0.0041 · 4.8 s · 276 tokens · 0 supervisor consults

Prompt

Which OAuth scope does the CLI request? Check the docs.

Conversation

user
Which OAuth scope does the CLI request? Check the docs.
risk LOWproposer flat-oneloopnon-trivialmode TOOL

No natural-language reply — the run ended on a harness directive or an unrecovered stall. See the full harness trace below.

Grader checks

CheckVerdict
contains "repo:read"fail
not contains "cannot find"pass
not contains "not documented"pass
not contains "no scope"pass
regex /repo:read|auth\.md/ifail

success no  ·  hallucination no  ·  unauthorized effect no  ·  recovered no

Full harness trace — failureMatchOff · seed 2

The harness runs on every turn. Below is what it did this run — the layers it consulted and why each did or didn't act, the tool-use decisions it made, and the nodes it walked. Both arms run the same machinery unless the feature under test changes it.

risk LOWproposer flat-oneloopmode TOOLplan none

Harness layers

LayerActed?Why
hypothesissingle clear LOW-risk task — no competing explanation worth surfacing
hypothesisactedConsidered 5 ways this request could be understood; going with the most direct one
contradiction×2fewer than 2 beliefs — nothing to compare
diagnosticsactedHealth: nominal
diagnosticsacteda sub-dimension crossed the caution threshold
control_stateNORMAL
control_stateactedPausing — blocked
planningone eligible task — serial execution
executionactedmodule_type=business_logic
verificationactedverification failed: Result is null — syntax check failed
recoveryactedTrying a different approach — switched to "TRACE_EXEC" (LOCAL replan)
reviewer_passactedSuccess criterion not covered by any belief: "Respond helpfully, accurately, and safely to the user request."

Node path

action_gate (1) rollback_replan (1) output_validation (2)

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