fix(WP-0017/E5): Layer 3 error fixes — round 3 (24 files)

Int16→Int in score/stars functions; uuid-based readMay→UUID.fromText;
autoRefresh do-notation fix; id→\x->x ambiguity in HubRoutingRules;
MarketplaceDashboard replaced raw SQL with IHP query builder; optional
hub selector in TypeRegistry views via CanSelect (Text, Maybe Id) instance
added to Web.View.Prelude; import consolidations to Web.View.Prelude.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Web/View/DecisionRecords/Show.hs

@@ -258,10 +258,10 @@ renderEvalSummary ev = [hsx|
     </span>
 |]
 
-starsFor :: Int16 -> Text
-starsFor n = pack (replicate (fromIntegral n) '★') <> pack (replicate (5 - fromIntegral n) '☆')
+starsFor :: Int -> Text
+starsFor n = cs (replicate n '★') <> cs (replicate (5 - n) '☆')
 
-scoreClass :: Int16 -> Text
+scoreClass :: Int -> Text
 scoreClass n
     | n <= 2    = "bg-red-100 text-red-800"
     | n == 3    = "bg-yellow-100 text-yellow-800"