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Correction 1: 38.8's A/B scores every arm under stock urb, which is only sound if stock is ground truth -- and stock is what this section shows is miscalibrated. Scoring the repair under the objective it repairs penalises it for repairing. That result is not evidence against usage_daylight. The measurement that matters needs no search: are the emitted failures true? audit_crinkliness_truth.py classifies every stock crinkliness fail by the leaf's declared usage. 164 of 271 (61%) are reported against spaces that want no daylight -- stores, WCs, plant, corridors, covered courtyards -- and it holds on evolved artefacts (maple generated.dom: 64%), not just constructed seeds. Under value *= 0.5 ** len(failures) each one halves the fitness of a design that did nothing wrong. Correction 2: usage: is the wrong key, and usage_daylight as written mis-keys it. 39.7 established usage: as an ACCESS-requirement class. "Needs no special access" and "needs no window" are different questions, and the corpus separates them: usage: none is Waiting Room, Reception, Reception Office, Entrance Foyer -- a waiting room plainly wants daylight and DAYLIGHT_USAGES exempts it. The usage: bedroom half is right, but by luck of where the access axis happened to fall. The audit is robust to that error (61% -> 57% if none is reclassified), so the finding stands; the design does not. Daylight needs its own declared per-space axis, decided by the programme author as usage: was. usage_daylight stays default off and is not the shipping fix. The compact-side clip is the right shape for the factor, so the mechanism is retained pending a daylight: attribute to key it on. Higher-power A/B stopped: it was chasing a score against a flawed objective with a mis-keyed fix. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MJ84Feep79Hhm3E4zZJmnB
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| 1 | programme | seed | mode | urb_hard | urb_soft | urb_total | own_hard | own_soft | own_total | elapsed_s |
|---|---|---|---|---|---|---|---|---|---|---|
| 2 | harbor-house | 0 | urb | 16 | 39 | 55 | 16 | 39 | 55 | 76.4 |
| 3 | harbor-house | 1 | urb | 22 | 45 | 67 | 22 | 45 | 67 | 80.8 |
| 4 | harbor-house | 2 | urb | 22 | 40 | 62 | 22 | 40 | 62 | 76.6 |
| 5 | harbor-house | 3 | urb | 15 | 48 | 63 | 15 | 48 | 63 | 75.2 |
| 6 | harbor-house | 4 | urb | 17 | 42 | 59 | 17 | 42 | 59 | 83.9 |
| 7 | harbor-house | 5 | urb | 29 | 42 | 71 | 29 | 42 | 71 | 81.7 |