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Lens proposal: A2 top-level Kappa/ConfusionMatrix pinned by ticket path (decision-model #2) #1301

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opened 2026-10-23 23:03:39 +00:00 by jared · 0 comments

jared commented

2026-10-23 23:03:39 +00:00

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LENS: A2 broken at lib/decision/model/option_score.rb:5 — BREAKS: top-level OptionScore (also Kappa, ConfusionMatrix) has library callers only in Evaluation (Report, Standing) (defect 3); JUSTIFIED: yes, the ticket required-work checks R2-R4 pin these top-level paths; PROPOSAL: NONE, route 4.

Challenge verdict

Code defect found (Kappa and ConfusionMatrix only). OptionScore is built by top-level Judgment (judgment.rb:7), so top-level is right for it. Kappa and ConfusionMatrix have one library caller, evaluation/standing.rb:10-11. The ticket path pin is a mismatch, not a design cost (checklist Q2).

Discoverer: /home/jared/dev/ruby-gems/decision-model, session b6d48eed-a394-4b5d-ac38-c8bee60b0902, 2026-10-23. LENS line from an os-sdlc run, challenged against the code.

## LENS line LENS: A2 broken at lib/decision/model/option_score.rb:5 — BREAKS: top-level OptionScore (also Kappa, ConfusionMatrix) has library callers only in Evaluation (Report, Standing) (defect 3); JUSTIFIED: yes, the ticket required-work checks R2-R4 pin these top-level paths; PROPOSAL: NONE, route 4. ## Challenge verdict Code defect found (Kappa and ConfusionMatrix only). OptionScore is built by top-level Judgment (judgment.rb:7), so top-level is right for it. Kappa and ConfusionMatrix have one library caller, evaluation/standing.rb:10-11. The ticket path pin is a mismatch, not a design cost (checklist Q2). -------- **Discoverer:** /home/jared/dev/ruby-gems/decision-model, session b6d48eed-a394-4b5d-ac38-c8bee60b0902, 2026-10-23. LENS line from an os-sdlc run, challenged against the code.

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jared/cc-os#1301

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