E.11.PUR:5.6 - A higher recommendation score can reduce useful fit

An assistant ranks candidate pattern uses by historical recommendation acceptance. The familiar A.21 gate candidate receives a higher score and is recommended first more often for causal-use uncertainty. Recommendation acceptance rises, but wrong-turn returns also rise because the needed C.28 causal-use result is still absent.

The score improved while first-result fit and receiving-use value worsened. Keep the historical score as telemetry, apply E.13 to the substitution, and base the recommendation on current applicability, expected result, any current receiving use, and the other candidates still under consideration. A higher score is not another fit finding.