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/Controller/AiGovernancePolicies.hs

@@ -6,6 +6,7 @@ import Web.Controller.Prelude
 import Web.View.AiGovernancePolicies.Index
 import Web.View.AiGovernancePolicies.New
 import Application.Helper.AgentBridge (jsonArrayTexts)
+import qualified Data.Aeson as A
 
 validAllowedActions :: [Text]
 validAllowedActions = ["read", "propose", "delegate", "auto_apply"]