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

* chore: reduce memory usage

* feat: worker tracing

* fix: eslint

* fix: remove compat flag

* fix: prettier

apps/frontend/package.json

@@ -35,7 +35,7 @@
 		"vite-svg-loader": "^5.1.0",
 		"vue-component-type-helpers": "^3.1.8",
 		"vue-tsc": "^2.0.24",
-		"wrangler": "^4.54.0"
+		"wrangler": "^4.115.0"
 	},
 	"dependencies": {
 		"@formatjs/intl-localematcher": "^0.5.4",

apps/frontend/src/components/ui/dashboard/RevenueTransaction.vue

@@ -96,7 +96,7 @@ import {
 import { capitalizeString } from '@modrinth/utils'
 import { Tooltip } from 'floating-vue'
 
-import { useGeneratedState } from '~/composables/generated'
+import { tremendousIdMap } from '~/generated/state.json'
 import { findRail } from '~/utils/muralpay-rails'
 
 type Transaction = Labrinth.Payout.v3.TransactionItem
@@ -110,7 +110,6 @@ const emit = defineEmits<{
 }>()
 
 const { addNotification } = injectNotificationManager()
-const generatedState = useGeneratedState()
 
 const isIncome = computed(() => props.transaction.type === 'payout_available')
 
@@ -120,7 +119,7 @@ const methodIconUrl = computed(() => {
 	const methodId = props.transaction.method_id
 
 	if (method === 'tremendous' && methodId) {
-		const methodInfo = generatedState.value.tremendousIdMap?.[methodId]
+		const methodInfo = tremendousIdMap?.[methodId]
 		if (methodInfo?.name?.toLowerCase()?.includes('paypal')) return null
 		return methodInfo?.image_url ?? null
 	}
@@ -137,7 +136,7 @@ const methodIconComponent = computed(() => {
 		case 'tremendous': {
 			const methodId = props.transaction.method_id
 			if (methodId) {
-				const info = generatedState.value.tremendousIdMap?.[methodId]
+				const info = tremendousIdMap?.[methodId]
 				if (info?.name?.toLowerCase()?.includes('paypal')) {
 					return PayPalColorIcon
 				}
@@ -187,7 +186,7 @@ function formatMethodName(method: string | undefined, method_id: string | undefi
 			return 'Venmo'
 		case 'tremendous':
 			if (method_id) {
-				const info = generatedState.value.tremendousIdMap?.[method_id]
+				const info = tremendousIdMap?.[method_id]
 				if (info) return `${info.name}`
 			}
 			return 'Tremendous'

apps/frontend/src/components/ui/dashboard/withdraw-stages/MuralpayDetailsStage.vue

@@ -248,13 +248,12 @@ import { computed, ref, watch } from 'vue'
 
 import RevenueInputField from '@/components/ui/dashboard/RevenueInputField.vue'
 import WithdrawFeeBreakdown from '@/components/ui/dashboard/WithdrawFeeBreakdown.vue'
-import { useGeneratedState } from '@/composables/generated'
 import { useWithdrawContext } from '@/providers/creator-withdraw.ts'
 import { getRailConfig } from '@/utils/muralpay-rails'
+import { muralBankDetails } from '~/generated/state.json'
 
 const { withdrawData, maxWithdrawAmount, availableMethods, calculateFees } = useWithdrawContext()
 const { formatMessage } = useVIntl()
-const generatedState = useGeneratedState()
 
 const selectedRail = computed(() => {
 	const railId = withdrawData.value.selection.method
@@ -285,7 +284,7 @@ const availableBankNames = computed(() => {
 	const rail = selectedRail.value
 	if (!rail || !rail.railCode) return []
 
-	const bankDetails = generatedState.value.muralBankDetails?.[rail.railCode]
+	const bankDetails = muralBankDetails?.[rail.railCode as keyof typeof muralBankDetails]
 	return bankDetails?.bankNames || []
 })
 

apps/frontend/src/components/ui/servers/ServersUpgradeModalWrapper.vue

@@ -3,18 +3,18 @@
 		ref="wrapperRef"
 		:stripe-publishable-key="config.public.stripePublishableKey"
 		:site-url="config.public.siteUrl"
-		:products="generatedState.products || []"
+		:products="(products ?? []) as Labrinth.Billing.Internal.Product[]"
 	/>
 </template>
 
 <script setup lang="ts">
+import type { Labrinth } from '@modrinth/api-client'
 // TODO: Remove this wrapper when we figure out how to do cross platform state + stripe
 import { ServersUpgradeModalWrapper as ServersUpgradeModalWrapperBase } from '@modrinth/ui'
 
-import { useGeneratedState } from '~/composables/generated'
+import { products } from '~/generated/state.json'
 
 const config = useRuntimeConfig()
-const generatedState = useGeneratedState()
 
 const wrapperRef = ref<InstanceType<typeof ServersUpgradeModalWrapperBase> | null>(null)
 

apps/frontend/src/composables/country.ts

@@ -1,9 +1,10 @@
-import { useGeneratedState } from '@/composables/generated.ts'
+import type { ISO3166 } from '@modrinth/api-client'
+
 import { useRequestHeaders, useState } from '#imports'
+import { countries, subdivisions } from '~/generated/state.json'
 
 export const useCountries = () => {
-	const generated = useGeneratedState()
-	return computed(() => generated.value.countries ?? [])
+	return computed(() => (countries ?? []) as ISO3166.Country[])
 }
 
 export const useFormattedCountries = () => {
@@ -28,10 +29,10 @@ export const useFormattedCountries = () => {
 }
 
 export const useSubdivisions = (countryCode: ComputedRef<string> | Ref<string> | string) => {
-	const generated = useGeneratedState()
 	const code = isRef(countryCode) ? countryCode : ref(countryCode)
+	const byCountry = (subdivisions ?? {}) as Record<string, ISO3166.Subdivision[]>
 
-	return computed(() => generated.value.subdivisions?.[unref(code)] ?? [])
+	return computed(() => byCountry[unref(code)] ?? [])
 }
 
 export const useUserCountry = () => {

apps/frontend/src/composables/generated.ts

@@ -1,7 +1,17 @@
 import type { ISO3166, Labrinth } from '@modrinth/api-client'
 import type { DisplayProjectType } from '@modrinth/utils'
 
-import generatedState from '~/generated/state.json'
+import {
+	apiUrl,
+	categories,
+	donationPlatforms,
+	errors,
+	gameVersions,
+	lastGenerated,
+	loaders,
+	reportTypes,
+	taxComplianceThresholds,
+} from '~/generated/state.json'
 import type { DisplayMode } from '~/plugins/cosmetics'
 
 export interface ProjectType {
@@ -23,7 +33,25 @@ export interface LoaderData {
 export type Country = ISO3166.Country
 export type Subdivision = ISO3166.Subdivision
 
-export interface GeneratedState extends Labrinth.State.GeneratedState {
+/**
+ * Route-specific slices of the generated state are deliberately excluded here.
+ * Anything placed on `useGeneratedState` is serialized into the SSR payload of
+ * every page, so large fields must be imported directly by the pages that need
+ * them instead (see `useCountries`, `useSubdivisions`, `~/generated/state.json`).
+ */
+type GloballyUsedState = Omit<
+	Labrinth.State.GeneratedState,
+	| 'countries'
+	| 'subdivisions'
+	| 'muralBankDetails'
+	| 'tremendousIdMap'
+	| 'homePageProjects'
+	| 'homePageSearch'
+	| 'homePageNotifs'
+	| 'products'
+>
+
+export interface GeneratedState extends GloballyUsedState {
 	// Additional runtime-defined fields not from the API
 	projectTypes: ProjectType[]
 	loaderData: LoaderData
@@ -40,26 +68,17 @@ export interface GeneratedState extends Labrinth.State.GeneratedState {
 }
 
 /**
- * Composable for accessing the complete generated state.
+ * Composable for accessing the globally used generated state.
  * This includes both fetched data and runtime-defined constants.
  */
 export const useGeneratedState = () =>
 	useState<GeneratedState>('generatedState', () => ({
 		// Cast JSON data to typed API responses
-		categories: (generatedState.categories ?? []) as Labrinth.Tags.v2.Category[],
-		loaders: (generatedState.loaders ?? []) as Labrinth.Tags.v2.Loader[],
-		gameVersions: (generatedState.gameVersions ?? []) as Labrinth.Tags.v2.GameVersion[],
-		donationPlatforms: (generatedState.donationPlatforms ??
-			[]) as Labrinth.Tags.v2.DonationPlatform[],
-		reportTypes: (generatedState.reportTypes ?? []) as string[],
-		muralBankDetails: generatedState.muralBankDetails as
-			| Record<string, { bankNames: string[] }>
-			| undefined,
-		tremendousIdMap: generatedState.tremendousIdMap as
-			| Record<string, { name: string; image_url: string | null }>
-			| undefined,
-		countries: (generatedState.countries ?? []) as ISO3166.Country[],
-		subdivisions: (generatedState.subdivisions ?? {}) as Record<string, ISO3166.Subdivision[]>,
+		categories: (categories ?? []) as Labrinth.Tags.v2.Category[],
+		loaders: (loaders ?? []) as Labrinth.Tags.v2.Loader[],
+		gameVersions: (gameVersions ?? []) as Labrinth.Tags.v2.GameVersion[],
+		donationPlatforms: (donationPlatforms ?? []) as Labrinth.Tags.v2.DonationPlatform[],
+		reportTypes: (reportTypes ?? []) as string[],
 
 		projectTypes: [
 			{
@@ -121,20 +140,11 @@ export const useGeneratedState = () =>
 		rejectedStatuses: ['rejected', 'withheld'],
 		staffRoles: ['moderator', 'admin'],
 
-		homePageProjects: generatedState.homePageProjects as unknown as
-			| Labrinth.Projects.v2.Project[]
-			| undefined,
-		homePageSearch: generatedState.homePageSearch as Labrinth.Search.v2.SearchResults | undefined,
-		homePageNotifs: generatedState.homePageNotifs as Labrinth.Search.v2.SearchResults | undefined,
-		products: generatedState.products as Labrinth.Billing.Internal.Product[] | undefined,
-		taxComplianceThresholds: (generatedState.taxComplianceThresholds ?? {}) as Record<
-			string,
-			number
-		>,
+		taxComplianceThresholds: (taxComplianceThresholds ?? {}) as Record<string, number>,
 
-		lastGenerated: generatedState.lastGenerated,
-		apiUrl: generatedState.apiUrl,
-		errors: generatedState.errors,
+		lastGenerated,
+		apiUrl,
+		errors,
 
 		buildYear: new Date().getFullYear(),
 	}))

apps/frontend/src/layouts/default.vue

@@ -902,13 +902,11 @@ import OrganizationCreateModal from '~/components/ui/create/OrganizationCreateMo
 import ProjectCreateModal from '~/components/ui/create/ProjectCreateModal.vue'
 import ModrinthFooter from '~/components/ui/ModrinthFooter.vue'
 import { getSignInRouteObj } from '~/composables/auth.ts'
-import { errors as generatedStateErrors } from '~/generated/state.json'
+import { errors as generatedStateErrors, taxComplianceThresholds } from '~/generated/state.json'
 import { provideCurrentProjectId } from '~/providers/current-project.ts'
 import { getProjectTypeMessage } from '~/utils/i18n-project-type.ts'
 import { hasActiveMidas } from '~/utils/user-membership.ts'
 
-const generatedState = useGeneratedState()
-
 const country = useUserCountry()
 
 const { formatMessage } = useVIntl()
@@ -956,7 +954,7 @@ const showTaxComplianceBanner = computed(() => {
 	if (flags.value.testTaxForm && auth.value.user) return true
 	const bal = payoutBalance.value
 	if (!bal) return false
-	const threshold = getTaxThreshold(generatedState.value?.taxComplianceThresholds)
+	const threshold = getTaxThreshold(taxComplianceThresholds)
 	const thresholdMet = (bal.withdrawn_ytd ?? 0) >= threshold
 	const status = bal.form_completion_status ?? 'unknown'
 	const isComplete = status === 'complete'

apps/frontend/src/pages/dashboard/revenue/transfers.vue

@@ -103,7 +103,7 @@ import { useQuery } from '@tanstack/vue-query'
 import dayjs from 'dayjs'
 
 import RevenueTransaction from '~/components/ui/dashboard/RevenueTransaction.vue'
-import { useGeneratedState } from '~/composables/generated'
+import { tremendousIdMap } from '~/generated/state.json'
 import { findRail } from '~/utils/muralpay-rails'
 
 const { formatMessage } = useVIntl()
@@ -114,7 +114,6 @@ const formatMonth = useFormatDateTime({
 })
 
 const client = injectModrinthClient()
-const generatedState = useGeneratedState()
 
 const messages = defineMessages({
 	transactionsHeader: {
@@ -281,7 +280,7 @@ function transactionsToCSV() {
 					break
 				case 'tremendous':
 					if (txn.method_id) {
-						const info = generatedState.value.tremendousIdMap?.[txn.method_id]
+						const info = tremendousIdMap?.[txn.method_id]
 						if (info) {
 							methodOrSource = `Tremendous (${info.name})`
 							break

apps/frontend/src/pages/hosting/manage/index.vue

@@ -1,7 +1,8 @@
 <script setup lang="ts">
+import type { Labrinth } from '@modrinth/api-client'
 import { ServersManagePageIndex } from '@modrinth/ui'
 
-import { useGeneratedState } from '~/composables/generated'
+import { products } from '~/generated/state.json'
 
 definePageMeta({
 	middleware: 'auth',
@@ -12,14 +13,13 @@ useHead({
 })
 
 const config = useRuntimeConfig()
-const generatedState = useGeneratedState()
 </script>
 
 <template>
 	<ServersManagePageIndex
 		:stripe-publishable-key="config.public.stripePublishableKey"
 		:site-url="config.public.siteUrl"
-		:products="generatedState.products || []"
+		:products="(products ?? []) as Labrinth.Billing.Internal.Product[]"
 		class="max-w-[1280px] py-0"
 	/>
 </template>

apps/frontend/wrangler.jsonc

@@ -1,13 +1,12 @@
 {
 	"$schema": "node_modules/wrangler/config-schema.json",
 	"name": "frontend",
-	"compatibility_date": "2025-12-10",
+	"compatibility_date": "2026-08-05",
 	"main": "./.output/server/index.mjs",
 	"assets": {
 		"binding": "ASSETS",
 		"directory": "./.output/public/"
 	},
-	"compatibility_flags": ["nodejs_compat_v2"],
 	"routes": ["modrinth.com/*"],
 	"preview_urls": true,
 	"workers_dev": true,
@@ -15,8 +14,14 @@
 		"cpu_ms": 5000
 	},
 	"observability": {
-		"enabled": true,
-		"head_sampling_rate": 0.0001
+		"traces": {
+			"enabled": true,
+			"head_sampling_rate": 0.0001
+		},
+		"logs": {
+			"enabled": true,
+			"head_sampling_rate": 0.0001
+		}
 	},
 	"keep_vars": false,
 	"secrets_store_secrets": [
@@ -49,8 +54,14 @@
 	"env": {
 		"staging": {
 			"observability": {
-				"enabled": true,
-				"head_sampling_rate": 0.1
+				"traces": {
+					"enabled": true,
+					"head_sampling_rate": 0.1
+				},
+				"logs": {
+					"enabled": true,
+					"head_sampling_rate": 0.1
+				}
 			},
 			"routes": ["staging.modrinth.com/*"],
 			"vars": {

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"