chore: reduce frontend server memory & tracing (#7014)

* chore: reduce memory usage

* feat: worker tracing

* fix: eslint

* fix: remove compat flag

* fix: prettier

packages/api-client/src/modules/labrinth/state/index.ts

@@ -154,11 +154,13 @@ export class LabrinthStateModule extends AbstractModule {
 			homePageSearch,
 			homePageNotifs,
 			products,
-			muralBankDetails: muralBankDetails?.bankDetails,
+			// Always emit a value: `undefined` is dropped by JSON.stringify, and consumers
+			// import these keys by name from the generated state.
+			muralBankDetails: muralBankDetails?.bankDetails ?? {},
 			tremendousIdMap,
 			countries: iso3166Data.countries,
 			subdivisions: iso3166Data.subdivisions,
-			taxComplianceThresholds: globals?.tax_compliance_thresholds,
+			taxComplianceThresholds: globals?.tax_compliance_thresholds ?? {},
 			errors,
 		}
 	}

packages/ui/wrangler.jsonc

@@ -1,6 +1,6 @@
 {
 	"name": "storybook",
-	"compatibility_date": "2026-02-12",
+	"compatibility_date": "2026-08-05",
 	"workers_dev": true,
 	"assets": {
 		"directory": "./storybook-static"