diff --git a/.changeset/add-number-id.md b/.changeset/add-number-id.md
new file mode 100644
index 00000000000..bcb9552ec13
--- /dev/null
+++ b/.changeset/add-number-id.md
@@ -0,0 +1,5 @@
+----
+'@keystone-6/core': patch
+----
+
+Use `idField` type of `{ kind: 'number', kind: 'Int' | 'BigInt' }` internally for singletons
diff --git a/design-system/packages/toast/src/Toast.tsx b/design-system/packages/toast/src/Toast.tsx
index eb400a8d7a1..e7a889941f0 100644
--- a/design-system/packages/toast/src/Toast.tsx
+++ b/design-system/packages/toast/src/Toast.tsx
@@ -15,7 +15,7 @@ import { type ToastProps, type ToastPropsExact } from './types'
 // Provider
 // ------------------------------
 
-export const ToastProvider = ({ children }: { children: ReactNode }) => {
+export function ToastProvider ({ children }: { children: ReactNode }) {
   const [toastStack, setToastStack] = useState<ToastPropsExact[]>([])
 
   const context = useMemo(
diff --git a/design-system/website/pages/components/button.tsx b/design-system/website/pages/components/button.tsx
index 2da124980f4..5c3a788eadc 100644
--- a/design-system/website/pages/components/button.tsx
+++ b/design-system/website/pages/components/button.tsx
@@ -5,16 +5,16 @@ import { jsx, Stack } from '@keystone-ui/core'
 import { Button, buttonToneValues, type ToneKey, buttonWeightValues } from '@keystone-ui/button'
 
 import { Page } from '../../components/Page'
-import { toLabel } from '../../utils'
+import { capitalise } from '../../utils'
 
-const Variants = ({ tone }: { tone: ToneKey }) => {
-  const toneLabel = toLabel(tone)
+function Variants ({ tone }: { tone: ToneKey }) {
+  const toneLabel = capitalise(tone)
   return (
     <div>
       <h3>{toneLabel} Tone</h3>
       <Stack across gap="medium" align="center">
         {buttonWeightValues.map(weight => {
-          const weightLabel = toLabel(weight)
+          const weightLabel = capitalise(weight)
           return (
             <Button tone={tone} weight={weight} key={weight}>
               {toneLabel} {weightLabel}
diff --git a/design-system/website/pages/components/loading.tsx b/design-system/website/pages/components/loading.tsx
index 5d769c1a1ff..7e862ec8795 100644
--- a/design-system/website/pages/components/loading.tsx
+++ b/design-system/website/pages/components/loading.tsx
@@ -6,7 +6,7 @@ import { jsx, Box, Stack } from '@keystone-ui/core'
 import { LoadingDots, loadingToneValues } from '@keystone-ui/loading'
 
 import { Page } from '../../components/Page'
-import { toLabel } from '../../utils'
+import { capitalise } from '../../utils'
 
 export default function LoadingPage () {
   return (
@@ -19,19 +19,19 @@ export default function LoadingPage () {
           <h3>{tone}</h3>
           <Stack across gap="large">
             <LoadingDots
-              label={`${toLabel(tone)} is loading`}
+              label={`${capitalise(tone)} is loading`}
               key={tone}
               tone={tone}
               size="large"
             />
             <LoadingDots
-              label={`${toLabel(tone)} is loading`}
+              label={`${capitalise(tone)} is loading`}
               key={tone}
               tone={tone}
               size="medium"
             />
             <LoadingDots
-              label={`${toLabel(tone)} is loading`}
+              label={`${capitalise(tone)} is loading`}
               key={tone}
               tone={tone}
               size="small"
diff --git a/design-system/website/pages/components/notice.tsx b/design-system/website/pages/components/notice.tsx
index d912abfd1a5..22d9c645483 100644
--- a/design-system/website/pages/components/notice.tsx
+++ b/design-system/website/pages/components/notice.tsx
@@ -5,7 +5,7 @@ import { jsx } from '@keystone-ui/core'
 import { Notice, noticeToneValues } from '@keystone-ui/notice'
 
 import { Page } from '../../components/Page'
-import { toLabel, aAn } from '../../utils'
+import { capitalise, aAn } from '../../utils'
 
 export default function ButtonPage () {
   const actions = {
@@ -20,7 +20,7 @@ export default function ButtonPage () {
       <div css={{ maxWidth: 860 }}>
         {noticeToneValues.map(tone => (
           <Notice
-            title={toLabel(tone)}
+            title={capitalise(tone)}
             key={tone}
             tone={tone}
             css={{ marginBottom: 20 }}
diff --git a/design-system/website/pages/components/toast.tsx b/design-system/website/pages/components/toast.tsx
index 73a7816e9fa..46eba134334 100644
--- a/design-system/website/pages/components/toast.tsx
+++ b/design-system/website/pages/components/toast.tsx
@@ -6,6 +6,7 @@ import { jsx, Stack } from '@keystone-ui/core'
 import { useToasts } from '@keystone-ui/toast'
 
 import { Page } from '../../components/Page'
+import { capitalise } from '../../utils'
 
 export default function OptionsPage () {
   const { addToast } = useToasts()
@@ -16,7 +17,7 @@ export default function OptionsPage () {
           return (
             <Button
               onClick={() => {
-                addToast({ title: `${titleCase(tone)} toast`, tone })
+                addToast({ title: `${capitalise(tone)} toast`, tone })
               }}
             >
               Add {tone} toast
@@ -39,7 +40,3 @@ export default function OptionsPage () {
     </Page>
   )
 }
-
-function titleCase (str: string) {
-  return str.slice(0, 1).toUpperCase() + str.slice(1)
-}
diff --git a/design-system/website/utils.ts b/design-system/website/utils.ts
index 36242c2c4ac..fb1125d2988 100644
--- a/design-system/website/utils.ts
+++ b/design-system/website/utils.ts
@@ -1,4 +1,8 @@
-export const toLabel = (str: string) => str.slice(0, 1).toUpperCase() + str.slice(1)
+export function capitalise (s: string) {
+  return s.charAt(0).toUpperCase() + s.slice(1)
+}
 
 const VOWELS = ['a', 'e', 'i', 'o', 'u']
-export const aAn = (before: string) => `a${VOWELS.includes(before.charAt(0)) ? 'n' : ''}`
+export function aAn (before: string) {
+  return `a${VOWELS.includes(before.charAt(0)) ? 'n' : ''}`
+}
diff --git a/examples/custom-id/schema.graphql b/examples/custom-id/schema.graphql
index 44b58196fda..44f240dbc4c 100644
--- a/examples/custom-id/schema.graphql
+++ b/examples/custom-id/schema.graphql
@@ -176,6 +176,8 @@ type Order {
   id: ID!
   description: String
   assignedTo: Person
+  options(where: OptionWhereInput! = {}, orderBy: [OptionOrderByInput!]! = [], take: Int, skip: Int! = 0, cursor: OptionWhereUniqueInput): [Option!]
+  optionsCount(where: OptionWhereInput! = {}): Int
   orderedAt: DateTime
 }
 
@@ -190,9 +192,16 @@ input OrderWhereInput {
   id: IDFilter
   description: StringFilter
   assignedTo: PersonWhereInput
+  options: OptionManyRelationFilter
   orderedAt: DateTimeNullableFilter
 }
 
+input OptionManyRelationFilter {
+  every: OptionWhereInput
+  some: OptionWhereInput
+  none: OptionWhereInput
+}
+
 input OrderOrderByInput {
   id: OrderDirection
   description: OrderDirection
@@ -202,9 +211,17 @@ input OrderOrderByInput {
 input OrderUpdateInput {
   description: String
   assignedTo: PersonRelateToOneForUpdateInput
+  options: OptionRelateToManyForUpdateInput
   orderedAt: DateTime
 }
 
+input OptionRelateToManyForUpdateInput {
+  disconnect: [OptionWhereUniqueInput!]
+  set: [OptionWhereUniqueInput!]
+  create: [OptionCreateInput!]
+  connect: [OptionWhereUniqueInput!]
+}
+
 input OrderUpdateArgs {
   where: OrderWhereUniqueInput!
   data: OrderUpdateInput!
@@ -213,9 +230,50 @@ input OrderUpdateArgs {
 input OrderCreateInput {
   description: String
   assignedTo: PersonRelateToOneForCreateInput
+  options: OptionRelateToManyForCreateInput
   orderedAt: DateTime
 }
 
+input OptionRelateToManyForCreateInput {
+  create: [OptionCreateInput!]
+  connect: [OptionWhereUniqueInput!]
+}
+
+type Option {
+  id: ID!
+  description: String
+}
+
+input OptionWhereUniqueInput {
+  id: ID
+}
+
+input OptionWhereInput {
+  AND: [OptionWhereInput!]
+  OR: [OptionWhereInput!]
+  NOT: [OptionWhereInput!]
+  id: IDFilter
+  description: StringFilter
+}
+
+input OptionOrderByInput {
+  id: OrderDirection
+  description: OrderDirection
+}
+
+input OptionUpdateInput {
+  description: String
+}
+
+input OptionUpdateArgs {
+  where: OptionWhereUniqueInput!
+  data: OptionUpdateInput!
+}
+
+input OptionCreateInput {
+  description: String
+}
+
 """
 The `JSON` scalar type represents JSON values as specified by [ECMA-404](http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-404.pdf).
 """
@@ -240,6 +298,12 @@ type Mutation {
   updateOrders(data: [OrderUpdateArgs!]!): [Order]
   deleteOrder(where: OrderWhereUniqueInput!): Order
   deleteOrders(where: [OrderWhereUniqueInput!]!): [Order]
+  createOption(data: OptionCreateInput!): Option
+  createOptions(data: [OptionCreateInput!]!): [Option]
+  updateOption(where: OptionWhereUniqueInput!, data: OptionUpdateInput!): Option
+  updateOptions(data: [OptionUpdateArgs!]!): [Option]
+  deleteOption(where: OptionWhereUniqueInput!): Option
+  deleteOptions(where: [OptionWhereUniqueInput!]!): [Option]
 }
 
 type Query {
@@ -252,6 +316,9 @@ type Query {
   orders(where: OrderWhereInput! = {}, orderBy: [OrderOrderByInput!]! = [], take: Int, skip: Int! = 0, cursor: OrderWhereUniqueInput): [Order!]
   order(where: OrderWhereUniqueInput!): Order
   ordersCount(where: OrderWhereInput! = {}): Int
+  options(where: OptionWhereInput! = {}, orderBy: [OptionOrderByInput!]! = [], take: Int, skip: Int! = 0, cursor: OptionWhereUniqueInput): [Option!]
+  option(where: OptionWhereUniqueInput!): Option
+  optionsCount(where: OptionWhereInput! = {}): Int
   keystone: KeystoneMeta!
 }
 
diff --git a/examples/custom-id/schema.prisma b/examples/custom-id/schema.prisma
index 5ea27feecfb..ef7791950cf 100644
--- a/examples/custom-id/schema.prisma
+++ b/examples/custom-id/schema.prisma
@@ -34,7 +34,14 @@ model Order {
   description  String    @default("")
   assignedTo   Person?   @relation("Order_assignedTo", fields: [assignedToId], references: [id])
   assignedToId String?   @map("assignedTo")
+  options      Option[]  @relation("Order_options")
   orderedAt    DateTime?
 
   @@index([assignedToId])
 }
+
+model Option {
+  id                 Int     @id
+  description        String  @default("")
+  from_Order_options Order[] @relation("Order_options")
+}
diff --git a/examples/custom-id/schema.ts b/examples/custom-id/schema.ts
index 822aee677dc..8531f8e56b7 100644
--- a/examples/custom-id/schema.ts
+++ b/examples/custom-id/schema.ts
@@ -38,6 +38,7 @@ export const lists = {
     fields: {
       description: text({ validation: { isRequired: true } }),
       assignedTo: relationship({ ref: 'Person', many: false }),
+      options: relationship({ ref: 'Option', many: true }),
       orderedAt: timestamp(),
     },
     hooks: {
@@ -48,4 +49,20 @@ export const lists = {
       },
     },
   }),
+  Option: list({
+    access: allowAll,
+    db: {
+      idField: { kind: 'number', type: 'Int' },
+    },
+    fields: {
+      description: text({ validation: { isRequired: true } }),
+    },
+    hooks: {
+      resolveInput: {
+        create: async ({ listKey, operation, resolvedData }) => {
+          return { ...resolvedData, id: 3 }
+        },
+      },
+    },
+  }),
 } satisfies Lists
diff --git a/packages/core/src/artifacts.ts b/packages/core/src/artifacts.ts
index 2cb946371e9..362113c0f57 100644
--- a/packages/core/src/artifacts.ts
+++ b/packages/core/src/artifacts.ts
@@ -4,7 +4,7 @@ import { createRequire } from 'node:module'
 import { printSchema, GraphQLSchema } from 'graphql'
 import { getGenerators, formatSchema } from '@prisma/internals'
 import type { KeystoneConfig } from './types'
-import { printGeneratedTypes } from './lib/schema-type-printer'
+import { printGeneratedTypes } from './lib/typescript-schema-printer'
 import { ExitError } from './scripts/utils'
 import { initialiseLists } from './lib/core/initialise-lists'
 import { printPrismaSchema } from './lib/core/prisma-schema-printer'
@@ -21,15 +21,7 @@ export function getFormattedGraphQLSchema (schema: string) {
 
 export async function getCommittedArtifacts (config: KeystoneConfig, graphQLSchema: GraphQLSchema) {
   const lists = initialiseLists(config)
-  const prismaSchema = printPrismaSchema(
-    lists,
-    config.db.prismaClientPath,
-    config.db.provider,
-    config.db.prismaPreviewFeatures,
-    config.db.additionalPrismaDatasourceProperties,
-    config.db.extendPrismaSchema
-  )
-
+  const prismaSchema = printPrismaSchema(config, lists)
   return {
     graphql: getFormattedGraphQLSchema(printSchema(graphQLSchema)),
     prisma: await formatPrismaSchema(prismaSchema),
@@ -88,9 +80,11 @@ function posixify (s: string) {
 }
 
 export function getSystemPaths (cwd: string, config: KeystoneConfig) {
-  const prismaClientPath = config.db.prismaClientPath
-    ? path.join(cwd, config.db.prismaClientPath)
-    : null
+  const prismaClientPath = config.db.prismaClientPath === '@prisma/client'
+    ? null
+    : config.db.prismaClientPath
+      ? path.join(cwd, config.db.prismaClientPath)
+      : null
 
   const builtTypesPath = config.types?.path
     ? path.join(cwd, config.types.path) // TODO: enforce initConfig before getSystemPaths
diff --git a/packages/core/src/lib/config.ts b/packages/core/src/lib/config.ts
deleted file mode 100644
index af23b437251..00000000000
--- a/packages/core/src/lib/config.ts
+++ /dev/null
@@ -1,55 +0,0 @@
-import type { KeystoneConfig } from '../types'
-import { idFieldType } from './id-field'
-
-export function applyIdFieldDefaults (config: KeystoneConfig): KeystoneConfig['lists'] {
-  // some error checking
-  for (const [listKey, list] of Object.entries(config.lists)) {
-    if (list.fields.id) {
-      throw new Error(
-        `A field with the \`id\` path is defined in the fields object on the ${JSON.stringify(
-          listKey
-        )} list. This is not allowed, use the idField option instead.`
-      )
-    }
-
-    if (list.isSingleton && list.db?.idField) {
-      throw new Error(
-        `A singleton list cannot specify an idField, but it is configured at db.idField on the ${listKey} list`
-      )
-    }
-  }
-
-  // inject ID fields
-  const listsWithIds: KeystoneConfig['lists'] = {}
-
-  for (const [listKey, list] of Object.entries(config.lists)) {
-    if (list.isSingleton) {
-      // Singletons can only use an Int, idFieldType function ignores the `kind` if isSingleton is true
-      listsWithIds[listKey] = {
-        ...list,
-        fields: {
-          id: idFieldType(
-            {
-              kind: 'autoincrement',
-              type: 'Int',
-            },
-            true
-          ),
-          ...list.fields,
-        },
-      }
-
-      continue
-    }
-
-    listsWithIds[listKey] = {
-      ...list,
-      fields: {
-        id: idFieldType(list.db?.idField ?? config.db.idField ?? { kind: 'cuid' }, false),
-        ...list.fields,
-      },
-    }
-  }
-
-  return listsWithIds
-}
diff --git a/packages/core/src/lib/core/initialise-lists.ts b/packages/core/src/lib/core/initialise-lists.ts
index 95a79a26b9f..2515ab25f83 100644
--- a/packages/core/src/lib/core/initialise-lists.ts
+++ b/packages/core/src/lib/core/initialise-lists.ts
@@ -1,17 +1,17 @@
 import type { CacheHint } from '@apollo/cache-control-types'
 import { GraphQLString, isInputObjectType } from 'graphql'
 import { type getGqlNames, QueryMode } from '../../types'
-import type {
-  BaseItem,
-  BaseListTypeInfo,
-  CacheHintArgs,
-  FindManyArgs,
-  GraphQLTypesForList,
-  KeystoneConfig,
-  ListGraphQLTypes,
-  ListHooks,
-  MaybePromise,
-  NextFieldType,
+import {
+  type BaseItem,
+  type BaseListTypeInfo,
+  type CacheHintArgs,
+  type FindManyArgs,
+  type GraphQLTypesForList,
+  type ListGraphQLTypes,
+  type ListHooks,
+  type KeystoneConfig,
+  type MaybePromise,
+  type NextFieldType,
 } from '../../types'
 import { graphql } from '../..'
 import type { FieldHooks, ResolvedListHooks, ResolvedFieldHooks } from '../../types/config/hooks'
diff --git a/packages/core/src/lib/core/prisma-schema-printer.ts b/packages/core/src/lib/core/prisma-schema-printer.ts
index b50056dc523..8dd48a08bc8 100644
--- a/packages/core/src/lib/core/prisma-schema-printer.ts
+++ b/packages/core/src/lib/core/prisma-schema-printer.ts
@@ -1,6 +1,7 @@
-import type { ScalarDBField, ScalarDBFieldDefault, DatabaseProvider } from '../../types'
+import type { ScalarDBField, ScalarDBFieldDefault } from '../../types'
 import type { ResolvedDBField } from './resolve-relationships'
 import type { InitialisedList } from './initialise-lists'
+import type { KeystoneConfig } from '../../types'
 import { areArraysEqual, getDBFieldKeyForFieldOnMultiField } from './utils'
 
 const modifiers = {
@@ -177,33 +178,37 @@ function assertDbFieldIsValidForIdField (
 }
 
 export function printPrismaSchema (
+  config: KeystoneConfig,
   lists: Record<string, InitialisedList>,
-  prismaClientPath: string | undefined,
-  provider: DatabaseProvider,
-  prismaPreviewFeatures?: readonly string[] | null,
-  additionalPrismaDatasourceProperties?: { [key: string]: string } | null,
-  extendPrismaCompleteSchema?: (schema: string) => string
 ) {
-  const additionalDataSources = Object.entries(additionalPrismaDatasourceProperties || {}).map(
-    ([key, value]) => `${key} = "${value}"`
-  )
+  const {
+    prismaClientPath,
+    provider,
+    prismaPreviewFeatures,
+    additionalPrismaDatasourceProperties,
+    extendPrismaSchema: extendPrismaCompleteSchema
+  } = config.db
 
   const prismaSchema = [
     `// This file is automatically generated by Keystone, do not modify it manually.`,
     `// Modify your Keystone config when you want to change this.`,
     ``,
     `datasource ${provider} {`,
-    `url = env("DATABASE_URL")`,
-    `shadowDatabaseUrl = env("SHADOW_DATABASE_URL")`,
-    `provider = "${provider}"`,
-    ...additionalDataSources,
+    `  url = env("DATABASE_URL")`,
+    `  shadowDatabaseUrl = env("SHADOW_DATABASE_URL")`,
+    `  provider = "${provider}"`,
+    ...function* () {
+      for (const [key, value] of Object.entries(additionalPrismaDatasourceProperties ?? {})) {
+        yield `  ${key} = "${value}"`
+      }
+    }(),
     `}`,
     ``,
     `generator client {`,
-    `provider = "prisma-client-js"`,
-    ...(prismaClientPath ? [`output = "${prismaClientPath}"`] : []),
+    `  provider = "prisma-client-js"`,
+    ...(prismaClientPath === '@prisma/client' ? [] : [`  output = "${prismaClientPath}"`]),
     ...(prismaPreviewFeatures?.length
-      ? [`previewFeatures = ["${prismaPreviewFeatures.join('","')}"]`]
+      ? [`  previewFeatures = ["${prismaPreviewFeatures.join('","')}"]`]
       : []),
     '}',
   ]
@@ -249,5 +254,5 @@ export function printPrismaSchema (
   prismaSchema.push(collectEnums(lists))
 
   const prismaSchemaStr = prismaSchema.join('\n')
-  return extendPrismaCompleteSchema ? extendPrismaCompleteSchema(prismaSchemaStr) : prismaSchemaStr
+  return extendPrismaCompleteSchema?.(prismaSchemaStr) ?? prismaSchemaStr
 }
diff --git a/packages/core/src/lib/server/createAdminUIMiddleware.ts b/packages/core/src/lib/createAdminUIMiddleware.ts
similarity index 92%
rename from packages/core/src/lib/server/createAdminUIMiddleware.ts
rename to packages/core/src/lib/createAdminUIMiddleware.ts
index b3c744859b9..251a714b04f 100644
--- a/packages/core/src/lib/server/createAdminUIMiddleware.ts
+++ b/packages/core/src/lib/createAdminUIMiddleware.ts
@@ -2,8 +2,11 @@ import url from 'url'
 import path from 'path'
 import type express from 'express'
 import type next from 'next'
-import type { KeystoneConfig, KeystoneContext } from '../../types'
-import { pkgDir } from '../../pkg-dir'
+import {
+  type KeystoneConfig,
+  type KeystoneContext
+} from '../types'
+import { pkgDir } from '../pkg-dir'
 
 const adminErrorHTMLFilepath = path.join(pkgDir, 'static', 'admin-error.html')
 
@@ -21,6 +24,7 @@ export function createAdminUIMiddlewareWithNextApp (
 
   const {
     ui: {
+      // TODO: remove default in breaking change, prefer resolveDefaults
       isAccessAllowed = defaultIsAccessAllowed,
       pageMiddleware,
       publicPages = [],
diff --git a/packages/core/src/lib/server/createExpressServer.ts b/packages/core/src/lib/createExpressServer.ts
similarity index 91%
rename from packages/core/src/lib/server/createExpressServer.ts
rename to packages/core/src/lib/createExpressServer.ts
index c05293b3eb1..8f9e3833dc5 100644
--- a/packages/core/src/lib/server/createExpressServer.ts
+++ b/packages/core/src/lib/createExpressServer.ts
@@ -12,8 +12,11 @@ import { ApolloServerPluginLandingPageDisabled } from '@apollo/server/plugin/dis
 import { ApolloServerPluginLandingPageLocalDefault } from '@apollo/server/plugin/landingPage/default'
 // @ts-expect-error
 import graphqlUploadExpress from 'graphql-upload/graphqlUploadExpress.js'
-import type { KeystoneConfig, KeystoneContext, GraphQLConfig } from '../../types'
-import { healthCheckPath as defaultHealthCheckPath } from '../defaults'
+import {
+  type GraphQLConfig,
+  type KeystoneConfig,
+  type KeystoneContext,
+} from '../types'
 
 /*
 NOTE: This creates the main Keystone express server, including the
@@ -57,10 +60,12 @@ export async function createExpressServer (
   const httpServer = createServer(expressServer)
 
   if (config.server?.cors) {
+    // TODO: remove default in breaking change, prefer resolveDefaults
     const corsConfig =
-      typeof config.server.cors === 'boolean'
+      config.server.cors === true
         ? { origin: true, credentials: true }
         : config.server.cors
+
     expressServer.use(cors(corsConfig))
   }
 
@@ -68,7 +73,7 @@ export async function createExpressServer (
   if (config.server?.healthCheck) {
     const healthCheck = config.server.healthCheck === true ? {} : config.server.healthCheck
 
-    expressServer.use(healthCheck.path ?? defaultHealthCheckPath, (req, res) => {
+    expressServer.use(healthCheck.path ?? '/_healthcheck', (req, res) => {
       if (typeof healthCheck.data === 'function') return res.json(healthCheck.data())
       if (healthCheck.data) return res.json(healthCheck.data)
 
@@ -102,6 +107,8 @@ export async function createExpressServer (
   }
 
   const apolloConfig = config.graphql?.apolloConfig
+
+  // TODO: remove default in breaking change, prefer resolveDefaults
   const playgroundOption = config.graphql?.playground ?? process.env.NODE_ENV !== 'production'
   const serverConfig = {
     formatError: formatError(config.graphql),
@@ -128,6 +135,7 @@ export async function createExpressServer (
   expressServer.use(graphqlUploadExpress({ maxFileSize }))
   await apolloServer.start()
   expressServer.use(
+    // TODO: remove default in breaking change, prefer resolveDefaults
     config.graphql?.path ?? '/api/graphql',
     json(config.graphql?.bodyParser),
     expressMiddleware(apolloServer, {
diff --git a/packages/core/src/lib/defaults.ts b/packages/core/src/lib/defaults.ts
deleted file mode 100644
index 81b5ae4a493..00000000000
--- a/packages/core/src/lib/defaults.ts
+++ /dev/null
@@ -1 +0,0 @@
-export const healthCheckPath = '/_healthcheck'
diff --git a/packages/core/src/lib/id-field.ts b/packages/core/src/lib/id-field.ts
index ca9a969dc15..78ceffb0c2f 100644
--- a/packages/core/src/lib/id-field.ts
+++ b/packages/core/src/lib/id-field.ts
@@ -126,24 +126,16 @@ function unpack (i: IdFieldConfig) {
       },
     } as const
   }
-  const { kind } = i
+  const { kind, type } = i
   if (kind === 'cuid') return { kind: 'cuid', type: 'String', default_: { kind } } as const
   if (kind === 'uuid') return { kind: 'uuid', type: 'String', default_: { kind } } as const
   if (kind === 'string') return { kind: 'string', type: 'String', default_: undefined } as const
-  if (kind === 'autoincrement') {
-    if (i.type === 'BigInt') {
-      return { kind: 'autoincrement', type: 'BigInt', default_: { kind } } as const
-    }
-    return { kind: 'autoincrement', type: 'Int', default_: { kind } } as const
-  }
-
+  if (kind === 'number') return { kind: 'number', type: type ?? 'Int', default_: undefined } as const
+  if (kind === 'autoincrement') return { kind: 'autoincrement', type: type ?? 'Int', default_: { kind } } as const
   throw new Error(`Unknown id type ${kind}`)
 }
 
-export function idFieldType (
-  config: IdFieldConfig,
-  isSingleton: boolean
-): FieldTypeFunc<BaseListTypeInfo> {
+export function idFieldType (config: IdFieldConfig): FieldTypeFunc<BaseListTypeInfo> {
   const { kind, type: type_, default_ } = unpack(config)
   const parseTypeFn = {
     Int: isInt,
@@ -170,7 +162,7 @@ export function idFieldType (
       mode: 'required',
       scalar: type_,
       nativeType: NATIVE_TYPES[meta.provider]?.[kind],
-      default: isSingleton ? undefined : default_,
+      default: default_,
     })({
       ...config,
 
diff --git a/packages/core/src/lib/schema-type-printer.tsx b/packages/core/src/lib/typescript-schema-printer.ts
similarity index 87%
rename from packages/core/src/lib/schema-type-printer.tsx
rename to packages/core/src/lib/typescript-schema-printer.ts
index d5167c2baed..65c5e7ff89f 100644
--- a/packages/core/src/lib/schema-type-printer.tsx
+++ b/packages/core/src/lib/typescript-schema-printer.ts
@@ -23,7 +23,7 @@ function printEnumTypeDefinition (type: GraphQLEnumType) {
     type
       .getValues()
       .map(x => `  | '${stringify(x.name)}'`)
-      .join('\n') + ';',
+      .join('\n'),
   ].join('\n')
 }
 
@@ -62,17 +62,17 @@ function printInputObjectTypeDefinition (
     `export type ${type.name} = {`,
     ...Object.values(type.getFields()).map(({ type, defaultValue, name }) => {
       const maybe = type instanceof GraphQLNonNull ? '' : '?'
-      return `  readonly ${name}${maybe}: ${printTypeReference(type, scalars)};`
+      return `  readonly ${name}${maybe}: ${printTypeReference(type, scalars)}`
     }),
-    '};',
+    '}',
   ].join('\n')
 }
 
 function printInputTypesFromSchema (schema: GraphQLSchema, scalars: Record<string, string>) {
   const output = [
     'type Scalars = {',
-    ...Object.keys(scalars).map(scalar => `  readonly ${scalar}: ${scalars[scalar]};`),
-    '};',
+    ...Object.keys(scalars).map(scalar => `  readonly ${scalar}: ${scalars[scalar]}`),
+    '}',
   ]
 
   for (const type of Object.values(schema.getTypeMap())) {
@@ -102,19 +102,19 @@ function printInterimType<L extends InitialisedList> (
   return [
     `type Resolved${typename} = {`,
     ...Object.entries(list.fields).map(([fieldKey, { dbField }]) => {
-      if (dbField.kind === 'none') return `  ${fieldKey}?: undefined;`
+      if (dbField.kind === 'none') return `  ${fieldKey}?: undefined`
 
       // TODO: this could be elsewhere, maybe id-field.ts
       if (fieldKey === 'id') {
         // autoincrement doesn't support passing an identifier
         if ('default' in dbField) {
           if (dbField.default?.kind === 'autoincrement') {
-            return `  id?: undefined;`
+            return `  id?: undefined`
           }
         }
 
         // soft-block `id` updates for relationship safety
-        if (operation === 'Update') return `  id?: undefined;`
+        if (operation === 'Update') return `  id?: undefined`
       }
 
       if (dbField.kind === 'multi') {
@@ -122,20 +122,20 @@ function printInterimType<L extends InitialisedList> (
           `  ${fieldKey}: {`,
           ...Object.entries(dbField.fields).map(([subFieldKey, subDbField]) => {
             // TODO: untrue if a db defaultValue is set
-            //              const optional = operation === 'Create' && subDbField.mode === 'required' ? '' : '?';
+            //              const optional = operation === 'Create' && subDbField.mode === 'required' ? '' : '?'
             const optional = '?'
-            return `  ${subFieldKey}${optional}: ${prismaType}['${fieldKey}_${subFieldKey}'];`
+            return `  ${subFieldKey}${optional}: ${prismaType}['${fieldKey}_${subFieldKey}']`
           }),
-          `  };`,
+          `  }`,
         ].join('\n')
       }
 
       // TODO: untrue if a db defaultValue is set
-      //        const optional = operation === 'Create' && dbField.mode === 'required' ? '' : '?';
+      //        const optional = operation === 'Create' && dbField.mode === 'required' ? '' : '?'
       const optional = '?'
-      return `  ${fieldKey}${optional}: ${prismaType}['${fieldKey}'];`
+      return `  ${fieldKey}${optional}: ${prismaType}['${fieldKey}']`
     }),
-    `};`,
+    `}`,
   ].join('\n')
 }
 
@@ -154,27 +154,27 @@ function printListTypeInfo<L extends InitialisedList> (
   const listTypeInfoName = `Lists.${listKey}.TypeInfo`
 
   return [
-    `export type ${listKey}<Session = any> = import('@keystone-6/core').ListConfig<${listTypeInfoName}<Session>>;`,
+    `export type ${listKey}<Session = any> = import('@keystone-6/core').ListConfig<${listTypeInfoName}<Session>>`,
     `namespace ${listKey} {`,
-    `  export type Item = import('${prismaClientPath}').${listKey};`,
+    `  export type Item = import('${prismaClientPath}').${listKey}`,
     `  export type TypeInfo<Session = any> = {`,
-    `    key: '${listKey}';`,
-    `    isSingleton: ${list.isSingleton};`,
+    `    key: '${listKey}'`,
+    `    isSingleton: ${list.isSingleton}`,
     `    fields: ${Object.keys(list.fields).map(x => `'${x}'`).join(' | ')}`,
-    `    item: Item;`,
+    `    item: Item`,
     `    inputs: {`,
-    `      where: ${list.graphql.isEnabled.query ? whereInputName : 'never'};`,
-    `      uniqueWhere: ${list.graphql.isEnabled.query ? whereUniqueInputName : 'never'};`,
-    `      create: ${list.graphql.isEnabled.create ? createInputName : 'never'};`,
-    `      update: ${list.graphql.isEnabled.update ? updateInputName : 'never'};`,
-    `      orderBy: ${list.graphql.isEnabled.query ? listOrderName : 'never'};`,
-    `    };`,
+    `      where: ${list.graphql.isEnabled.query ? whereInputName : 'never'}`,
+    `      uniqueWhere: ${list.graphql.isEnabled.query ? whereUniqueInputName : 'never'}`,
+    `      create: ${list.graphql.isEnabled.create ? createInputName : 'never'}`,
+    `      update: ${list.graphql.isEnabled.update ? updateInputName : 'never'}`,
+    `      orderBy: ${list.graphql.isEnabled.query ? listOrderName : 'never'}`,
+    `    }`,
     `    prisma: {`,
-    `      create: ${list.graphql.isEnabled.create ? `Resolved${createInputName}` : 'never'};`,
-    `      update: ${list.graphql.isEnabled.update ? `Resolved${updateInputName}` : 'never'};`,
-    `    };`,
-    `    all: __TypeInfo<Session>;`,
-    `  };`,
+    `      create: ${list.graphql.isEnabled.create ? `Resolved${createInputName}` : 'never'}`,
+    `      update: ${list.graphql.isEnabled.update ? `Resolved${updateInputName}` : 'never'}`,
+    `    }`,
+    `    all: __TypeInfo<Session>`,
+    `  }`,
     `}`,
   ]
     .map(line => `  ${line}`)
@@ -218,7 +218,7 @@ export function printGeneratedTypes (
       )
     }
 
-    listsTypeInfo.push(`    readonly ${listKey}: ${listTypeInfoName};`)
+    listsTypeInfo.push(`    readonly ${listKey}: ${listTypeInfoName}`)
     listsNamespaces.push(printListTypeInfo(prismaClientPath, listKey, list))
   }
 
@@ -240,23 +240,23 @@ export function printGeneratedTypes (
     'export declare namespace Lists {',
     ...listsNamespaces,
     '}',
-    `export type Context<Session = any> = import('@keystone-6/core/types').KeystoneContext<TypeInfo<Session>>;`,
-    `export type Config<Session = any> = import('@keystone-6/core/types').KeystoneConfig<TypeInfo<Session>>;`,
+    `export type Context<Session = any> = import('@keystone-6/core/types').KeystoneContext<TypeInfo<Session>>`,
+    `export type Config<Session = any> = import('@keystone-6/core/types').KeystoneConfig<TypeInfo<Session>>`,
     '',
     'export type TypeInfo<Session = any> = {',
     `  lists: {`,
     ...listsTypeInfo,
-    `  };`,
-    `  prisma: import('${prismaClientPath}').PrismaClient;`,
-    `  session: Session;`,
-    `};`,
+    `  }`,
+    `  prisma: import('${prismaClientPath}').PrismaClient`,
+    `  session: Session`,
+    `}`,
     ``,
     // we need to reference the `TypeInfo` above in another type that is also called `TypeInfo`
-    `type __TypeInfo<Session = any> = TypeInfo<Session>;`,
+    `type __TypeInfo<Session = any> = TypeInfo<Session>`,
     ``,
     `export type Lists<Session = any> = {`,
     `  [Key in keyof TypeInfo['lists']]?: import('@keystone-6/core').ListConfig<TypeInfo<Session>['lists'][Key]>`,
-    `} & Record<string, import('@keystone-6/core').ListConfig<any>>;`,
+    `} & Record<string, import('@keystone-6/core').ListConfig<any>>`,
     ``,
     `export {}`,
     ``,
diff --git a/packages/core/src/lib/utils.ts b/packages/core/src/lib/utils.ts
index b4581b10819..c7f02a32917 100644
--- a/packages/core/src/lib/utils.ts
+++ b/packages/core/src/lib/utils.ts
@@ -1,21 +1,14 @@
-/**
- * Converts the first character of a string to uppercase.
- * @param {String} str The string to convert.
- * @returns The new string
- */
-export const upcase = (str: string) => str.slice(0, 1).toUpperCase() + str.slice(1)
-
 /**
  * Turns a passed in string into
  * a human readable label
  * @param {String} str The string to convert.
  * @returns The new string
  */
-export const humanize = (str: string) => {
+export function humanize (str: string) {
   return str
     .replace(/([a-z])([A-Z]+)/g, '$1 $2')
     .split(/\s|_|\-/)
     .filter(i => i)
-    .map(upcase)
+    .map(x => x.charAt(0).toUpperCase() + x.slice(1))
     .join(' ')
 }
diff --git a/packages/core/src/scripts/dev.ts b/packages/core/src/scripts/dev.ts
index a5d3b784935..00460f69887 100644
--- a/packages/core/src/scripts/dev.ts
+++ b/packages/core/src/scripts/dev.ts
@@ -6,13 +6,13 @@ import { createServer } from 'node:http'
 import next from 'next'
 import express from 'express'
 import { GraphQLSchema, printSchema } from 'graphql'
-import esbuild, { BuildResult } from 'esbuild'
+import esbuild, { type BuildResult } from 'esbuild'
 import { generateAdminUI } from '../admin-ui/system'
 import { devMigrations, pushPrismaSchemaToDatabase } from '../lib/migrations'
 import { createSystem } from '../lib/createSystem'
 import { getEsbuildConfig } from '../lib/esbuild'
-import { createExpressServer } from '../lib/server/createExpressServer'
-import { createAdminUIMiddlewareWithNextApp } from '../lib/server/createAdminUIMiddleware'
+import { createExpressServer } from '../lib/createExpressServer'
+import { createAdminUIMiddlewareWithNextApp } from '../lib/createAdminUIMiddleware'
 import { runTelemetry } from '../lib/telemetry'
 import {
   generatePrismaAndGraphQLSchemas,
@@ -164,14 +164,7 @@ export async function dev (
     initKeystonePromiseResolve()
 
     const initialisedLists = initialiseLists(config)
-    const originalPrismaSchema = printPrismaSchema(
-      initialisedLists,
-      config.db.prismaClientPath,
-      config.db.provider,
-      config.db.prismaPreviewFeatures,
-      config.db.additionalPrismaDatasourceProperties,
-      config.db.extendPrismaSchema
-    )
+    const originalPrismaSchema = printPrismaSchema(config, initialisedLists)
     let lastPrintedGraphQLSchema = printSchema(graphQLSchema)
     let lastApolloServer = apolloServer || null
 
@@ -193,14 +186,7 @@ export async function dev (
         const newConfigWithHttp = getBuiltKeystoneConfiguration(cwd)
         const newConfig = stripExtendHttpServer(newConfigWithHttp)
         if (prisma) {
-          const newPrismaSchema = printPrismaSchema(
-            initialiseLists(newConfig),
-            config.db.prismaClientPath,
-            newConfig.db.provider,
-            newConfig.db.prismaPreviewFeatures,
-            newConfig.db.additionalPrismaDatasourceProperties,
-            newConfig.db.extendPrismaSchema
-          )
+          const newPrismaSchema = printPrismaSchema(newConfig, initialiseLists(newConfig))
           if (originalPrismaSchema !== newPrismaSchema) {
             console.error('🔄 Your prisma schema has changed, please restart Keystone')
             return stop(null, true)
diff --git a/packages/core/src/scripts/start.ts b/packages/core/src/scripts/start.ts
index c06c6bcaf8d..acbe6a20357 100644
--- a/packages/core/src/scripts/start.ts
+++ b/packages/core/src/scripts/start.ts
@@ -2,8 +2,8 @@ import fs from 'node:fs/promises'
 import type { ListenOptions } from 'node:net'
 import next from 'next'
 import { createSystem } from '../lib/createSystem'
-import { createExpressServer } from '../lib/server/createExpressServer'
-import { createAdminUIMiddlewareWithNextApp } from '../lib/server/createAdminUIMiddleware'
+import { createExpressServer } from '../lib/createExpressServer'
+import { createAdminUIMiddlewareWithNextApp } from '../lib/createAdminUIMiddleware'
 import {
   getBuiltKeystoneConfigurationPath,
   getBuiltKeystoneConfiguration,
diff --git a/packages/core/src/system.ts b/packages/core/src/system.ts
index 65081be4b56..79999865a90 100644
--- a/packages/core/src/system.ts
+++ b/packages/core/src/system.ts
@@ -1,29 +1,84 @@
 import type express from 'express'
 import next from 'next'
 import {
+  type IdFieldConfig,
   type KeystoneConfig,
   type KeystoneContext
 } from './types'
-import { createAdminUIMiddlewareWithNextApp } from './lib/server/createAdminUIMiddleware'
-import { applyIdFieldDefaults } from './lib/config'
+import { createAdminUIMiddlewareWithNextApp } from './lib/createAdminUIMiddleware'
+import {
+  idFieldType
+} from './lib/id-field'
 
-/** @deprecated */
+/** @deprecated, TODO: remove in breaking change */
 export { createSystem } from './lib/createSystem'
 
-/** @deprecated */
-export { createExpressServer } from './lib/server/createExpressServer'
+/** @deprecated, TODO: remove in breaking change */
+export { createExpressServer } from './lib/createExpressServer'
+
+function injectIdFields (config: KeystoneConfig, defaultIdField: IdFieldConfig) {
+  // some error checking
+  for (const [listKey, list] of Object.entries(config.lists)) {
+    if (list.fields.id) {
+      throw new Error(`"fields.id" is reserved by Keystone, use "db.idField" for the "${listKey}" list`)
+    }
+
+    if (list.isSingleton && list.db?.idField) {
+      throw new Error(`"db.idField" on the "${listKey}" list conflicts with singleton defaults`)
+    }
+  }
+
+  const listsWithIds: KeystoneConfig['lists'] = {}
+
+  for (const [listKey, list] of Object.entries(config.lists)) {
+    if (list.isSingleton) {
+      listsWithIds[listKey] = {
+        ...list,
+        fields: {
+          id: idFieldType({ kind: 'number', type: 'Int' }),
+          ...list.fields,
+        },
+      }
+
+      continue
+    }
+
+    listsWithIds[listKey] = {
+      ...list,
+      fields: {
+        id: idFieldType(list.db?.idField ?? defaultIdField),
+        ...list.fields,
+      },
+    }
+  }
+
+  return listsWithIds
+}
+
+function defaultIsAccessAllowed ({ session, sessionStrategy }: KeystoneContext) {
+  if (!sessionStrategy) return true
+  return session !== undefined
+}
 
 /** @deprecated, TODO: remove in breaking change */
-export function initConfig (config: KeystoneConfig) {
+export function initConfig (config: KeystoneConfig): KeystoneConfig {
+  return resolveDefaults(config)
+}
+
+function resolveDefaults (config: KeystoneConfig) {
   if (!['postgresql', 'sqlite', 'mysql'].includes(config.db.provider)) {
-    throw new TypeError(
-      'Invalid db configuration. Please specify db.provider as either "sqlite", "postgresql" or "mysql"'
-    )
+    throw new TypeError(`"db.provider" only supports "sqlite", "postgresql" or "mysql"`)
   }
 
   // WARNING: Typescript should prevent this, but any string is useful for Prisma errors
   config.db.url ??= 'postgres://'
 
+  const defaultIdField = config.db.idField ?? { kind: 'cuid' }
+  const cors =
+    config.server?.cors === true
+      ? { origin: true, credentials: true }
+      : config.server?.cors ?? false
+
   return {
     ...config,
     types: {
@@ -31,25 +86,44 @@ export function initConfig (config: KeystoneConfig) {
       ...config.types,
     },
     db: {
+      shadowDatabaseUrl: '', // TODO: is this ok
+      extendPrismaSchema: (schema: string) => schema,
+      prismaClientPath: '@prisma/client',
       prismaSchemaPath: 'schema.prisma',
       ...config.db,
+      idField: defaultIdField,
     },
     graphql: {
+      path: '/api/graphql',
+      playground: process.env.NODE_ENV !== 'production',
       schemaPath: 'schema.graphql',
       ...config.graphql,
     },
-    lists: applyIdFieldDefaults(config),
+    lists: injectIdFields(config, defaultIdField),
     server: {
-      cors: false,
       maxFileSize: 200 * 1024 * 1024, // 200 MiB
       extendExpressApp: async () => {},
       extendHttpServer: async () => {},
       ...config.server,
+      cors,
     },
-  }
+    // TODO: remove in breaking change, move to .graphql.extendSchema
+    extendGraphqlSchema: config.extendGraphqlSchema ?? ((s) => s),
+    storage: {
+      ...config?.storage
+    },
+    telemetry: config?.telemetry ?? true,
+    ui: {
+      isAccessAllowed: defaultIsAccessAllowed,
+      pageMiddleware: async () => {},
+      publicPages: [],
+      basePath: '',
+      ...config?.ui,
+    },
+  } satisfies KeystoneConfig
 }
 
-/** @deprecated */
+/** @deprecated, TODO: remove in breaking change */
 export async function createAdminUIMiddleware (
   config: KeystoneConfig,
   context: KeystoneContext,
diff --git a/packages/core/src/types/config/lists.ts b/packages/core/src/types/config/lists.ts
index e58faf72f0c..850efe57c28 100644
--- a/packages/core/src/types/config/lists.ts
+++ b/packages/core/src/types/config/lists.ts
@@ -241,6 +241,7 @@ export type IdFieldConfig =
     }
   | { kind: 'cuid' | 'uuid' | 'string', type?: 'String' }
   | { kind: 'autoincrement', type?: 'Int' | 'BigInt' }
+  | { kind: 'number', type: 'Int' | 'BigInt' }
 
 export type ListDBConfig = {
   /**
diff --git a/packages/core/src/types/utils.ts b/packages/core/src/types/utils.ts
index d474b3ff82f..430cd38cfc6 100644
--- a/packages/core/src/types/utils.ts
+++ b/packages/core/src/types/utils.ts
@@ -15,8 +15,8 @@ export function getGqlNames ({
   listKey: string
   pluralGraphQLName: string
 }) {
-  const lowerPluralName = pluralGraphQLName.slice(0, 1).toLowerCase() + pluralGraphQLName.slice(1)
-  const lowerSingularName = listKey.slice(0, 1).toLowerCase() + listKey.slice(1)
+  const lowerPluralName = pluralGraphQLName.charAt(0).toLowerCase() + pluralGraphQLName.slice(1)
+  const lowerSingularName = listKey.charAt(0).toLowerCase() + listKey.slice(1)
   return {
     outputTypeName: listKey,
     itemQueryName: lowerSingularName,
diff --git a/packages/core/tests/utils.test.ts b/packages/core/tests/utils.test.ts
index 2458c893d0e..4ed05a9f46d 100644
--- a/packages/core/tests/utils.test.ts
+++ b/packages/core/tests/utils.test.ts
@@ -1,4 +1,4 @@
-import { upcase, humanize } from '../src/lib/utils'
+import { humanize } from '../src/lib/utils'
 
 describe('utils', () => {
   test('humanize()', () => {
@@ -8,16 +8,10 @@ describe('utils', () => {
     expect(humanize('kebab-case')).toBe('Kebab Case')
     expect(humanize('multiple words here')).toBe('Multiple Words Here')
     expect(humanize('Multiple Words Here')).toBe('Multiple Words Here')
-  })
-
-  test('upcase', () => {
-    expect(upcase('Foo')).toEqual('Foo')
-    expect(upcase('foo')).toEqual('Foo')
-    expect(upcase('FooBar')).toEqual('FooBar')
-    expect(upcase('fooBar')).toEqual('FooBar')
-    expect(upcase('Foo bar')).toEqual('Foo bar')
-    expect(upcase('foo bar')).toEqual('Foo bar')
-    expect(upcase('Foo Bar')).toEqual('Foo Bar')
-    expect(upcase('foo Bar')).toEqual('Foo Bar')
+    expect(humanize('foo')).toBe('Foo')
+    expect(humanize('Foo')).toBe('Foo')
+    expect(humanize('fooBar')).toBe('Foo Bar')
+    expect(humanize('FooBar')).toBe('Foo Bar')
+    expect(humanize('Foo Bar')).toBe('Foo Bar')
   })
 })
diff --git a/tests/cli-tests/__snapshots__/artifacts.test.ts.snap b/tests/cli-tests/__snapshots__/artifacts.test.ts.snap
index 8a14169643e..282cbf2b437 100644
--- a/tests/cli-tests/__snapshots__/artifacts.test.ts.snap
+++ b/tests/cli-tests/__snapshots__/artifacts.test.ts.snap
@@ -5,169 +5,169 @@ exports[`postinstall writes the correct node_modules files 1`] = `
 /* eslint-disable */
 
 type Scalars = {
-  readonly ID: string;
-  readonly Boolean: boolean;
-  readonly String: string;
-  readonly Int: number;
-  readonly Float: number;
-  readonly JSON: import('@keystone-6/core/types').JSONValue;
-  readonly Decimal: import('@keystone-6/core/types').Decimal | string;
-};
+  readonly ID: string
+  readonly Boolean: boolean
+  readonly String: string
+  readonly Int: number
+  readonly Float: number
+  readonly JSON: import('@keystone-6/core/types').JSONValue
+  readonly Decimal: import('@keystone-6/core/types').Decimal | string
+}
 
 export type TodoWhereUniqueInput = {
-  readonly id?: Scalars['ID'] | null;
-};
+  readonly id?: Scalars['ID'] | null
+}
 
 export type TodoWhereInput = {
-  readonly AND?: ReadonlyArray<TodoWhereInput> | TodoWhereInput | null;
-  readonly OR?: ReadonlyArray<TodoWhereInput> | TodoWhereInput | null;
-  readonly NOT?: ReadonlyArray<TodoWhereInput> | TodoWhereInput | null;
-  readonly id?: IDFilter | null;
-  readonly title?: StringFilter | null;
-};
+  readonly AND?: ReadonlyArray<TodoWhereInput> | TodoWhereInput | null
+  readonly OR?: ReadonlyArray<TodoWhereInput> | TodoWhereInput | null
+  readonly NOT?: ReadonlyArray<TodoWhereInput> | TodoWhereInput | null
+  readonly id?: IDFilter | null
+  readonly title?: StringFilter | null
+}
 
 export type IDFilter = {
-  readonly equals?: Scalars['ID'] | null;
-  readonly in?: ReadonlyArray<Scalars['ID']> | Scalars['ID'] | null;
-  readonly notIn?: ReadonlyArray<Scalars['ID']> | Scalars['ID'] | null;
-  readonly lt?: Scalars['ID'] | null;
-  readonly lte?: Scalars['ID'] | null;
-  readonly gt?: Scalars['ID'] | null;
-  readonly gte?: Scalars['ID'] | null;
-  readonly not?: IDFilter | null;
-};
+  readonly equals?: Scalars['ID'] | null
+  readonly in?: ReadonlyArray<Scalars['ID']> | Scalars['ID'] | null
+  readonly notIn?: ReadonlyArray<Scalars['ID']> | Scalars['ID'] | null
+  readonly lt?: Scalars['ID'] | null
+  readonly lte?: Scalars['ID'] | null
+  readonly gt?: Scalars['ID'] | null
+  readonly gte?: Scalars['ID'] | null
+  readonly not?: IDFilter | null
+}
 
 export type StringFilter = {
-  readonly equals?: Scalars['String'] | null;
-  readonly in?: ReadonlyArray<Scalars['String']> | Scalars['String'] | null;
-  readonly notIn?: ReadonlyArray<Scalars['String']> | Scalars['String'] | null;
-  readonly lt?: Scalars['String'] | null;
-  readonly lte?: Scalars['String'] | null;
-  readonly gt?: Scalars['String'] | null;
-  readonly gte?: Scalars['String'] | null;
-  readonly contains?: Scalars['String'] | null;
-  readonly startsWith?: Scalars['String'] | null;
-  readonly endsWith?: Scalars['String'] | null;
-  readonly not?: NestedStringFilter | null;
-};
+  readonly equals?: Scalars['String'] | null
+  readonly in?: ReadonlyArray<Scalars['String']> | Scalars['String'] | null
+  readonly notIn?: ReadonlyArray<Scalars['String']> | Scalars['String'] | null
+  readonly lt?: Scalars['String'] | null
+  readonly lte?: Scalars['String'] | null
+  readonly gt?: Scalars['String'] | null
+  readonly gte?: Scalars['String'] | null
+  readonly contains?: Scalars['String'] | null
+  readonly startsWith?: Scalars['String'] | null
+  readonly endsWith?: Scalars['String'] | null
+  readonly not?: NestedStringFilter | null
+}
 
 export type NestedStringFilter = {
-  readonly equals?: Scalars['String'] | null;
-  readonly in?: ReadonlyArray<Scalars['String']> | Scalars['String'] | null;
-  readonly notIn?: ReadonlyArray<Scalars['String']> | Scalars['String'] | null;
-  readonly lt?: Scalars['String'] | null;
-  readonly lte?: Scalars['String'] | null;
-  readonly gt?: Scalars['String'] | null;
-  readonly gte?: Scalars['String'] | null;
-  readonly contains?: Scalars['String'] | null;
-  readonly startsWith?: Scalars['String'] | null;
-  readonly endsWith?: Scalars['String'] | null;
-  readonly not?: NestedStringFilter | null;
-};
+  readonly equals?: Scalars['String'] | null
+  readonly in?: ReadonlyArray<Scalars['String']> | Scalars['String'] | null
+  readonly notIn?: ReadonlyArray<Scalars['String']> | Scalars['String'] | null
+  readonly lt?: Scalars['String'] | null
+  readonly lte?: Scalars['String'] | null
+  readonly gt?: Scalars['String'] | null
+  readonly gte?: Scalars['String'] | null
+  readonly contains?: Scalars['String'] | null
+  readonly startsWith?: Scalars['String'] | null
+  readonly endsWith?: Scalars['String'] | null
+  readonly not?: NestedStringFilter | null
+}
 
 export type TodoOrderByInput = {
-  readonly id?: OrderDirection | null;
-  readonly title?: OrderDirection | null;
-};
+  readonly id?: OrderDirection | null
+  readonly title?: OrderDirection | null
+}
 
 export type OrderDirection =
   | 'asc'
-  | 'desc';
+  | 'desc'
 
 export type TodoUpdateInput = {
-  readonly title?: Scalars['String'] | null;
-};
+  readonly title?: Scalars['String'] | null
+}
 
 export type TodoUpdateArgs = {
-  readonly where: TodoWhereUniqueInput;
-  readonly data: TodoUpdateInput;
-};
+  readonly where: TodoWhereUniqueInput
+  readonly data: TodoUpdateInput
+}
 
 export type TodoCreateInput = {
-  readonly title?: Scalars['String'] | null;
-};
+  readonly title?: Scalars['String'] | null
+}
 
 export type KeystoneAdminUIFieldMetaIsNonNull =
   | 'read'
   | 'create'
-  | 'update';
+  | 'update'
 
 export type KeystoneAdminUIFieldMetaCreateViewFieldMode =
   | 'edit'
-  | 'hidden';
+  | 'hidden'
 
 export type KeystoneAdminUIFieldMetaListViewFieldMode =
   | 'read'
-  | 'hidden';
+  | 'hidden'
 
 export type KeystoneAdminUIFieldMetaItemViewFieldMode =
   | 'edit'
   | 'read'
-  | 'hidden';
+  | 'hidden'
 
 export type KeystoneAdminUIFieldMetaItemViewFieldPosition =
   | 'form'
-  | 'sidebar';
+  | 'sidebar'
 
 export type QueryMode =
   | 'default'
-  | 'insensitive';
+  | 'insensitive'
 
 export type KeystoneAdminUISortDirection =
   | 'ASC'
-  | 'DESC';
+  | 'DESC'
 
 type ResolvedTodoCreateInput = {
-  id?: import('@prisma/client').Prisma.TodoCreateInput['id'];
-  title?: import('@prisma/client').Prisma.TodoCreateInput['title'];
-};
+  id?: import('@prisma/client').Prisma.TodoCreateInput['id']
+  title?: import('@prisma/client').Prisma.TodoCreateInput['title']
+}
 
 type ResolvedTodoUpdateInput = {
-  id?: undefined;
-  title?: import('@prisma/client').Prisma.TodoUpdateInput['title'];
-};
+  id?: undefined
+  title?: import('@prisma/client').Prisma.TodoUpdateInput['title']
+}
 
 export declare namespace Lists {
-  export type Todo<Session = any> = import('@keystone-6/core').ListConfig<Lists.Todo.TypeInfo<Session>>;
+  export type Todo<Session = any> = import('@keystone-6/core').ListConfig<Lists.Todo.TypeInfo<Session>>
   namespace Todo {
-    export type Item = import('@prisma/client').Todo;
+    export type Item = import('@prisma/client').Todo
     export type TypeInfo<Session = any> = {
-      key: 'Todo';
-      isSingleton: false;
+      key: 'Todo'
+      isSingleton: false
       fields: 'id' | 'title'
-      item: Item;
+      item: Item
       inputs: {
-        where: TodoWhereInput;
-        uniqueWhere: TodoWhereUniqueInput;
-        create: TodoCreateInput;
-        update: TodoUpdateInput;
-        orderBy: TodoOrderByInput;
-      };
+        where: TodoWhereInput
+        uniqueWhere: TodoWhereUniqueInput
+        create: TodoCreateInput
+        update: TodoUpdateInput
+        orderBy: TodoOrderByInput
+      }
       prisma: {
-        create: ResolvedTodoCreateInput;
-        update: ResolvedTodoUpdateInput;
-      };
-      all: __TypeInfo<Session>;
-    };
+        create: ResolvedTodoCreateInput
+        update: ResolvedTodoUpdateInput
+      }
+      all: __TypeInfo<Session>
+    }
   }
 }
-export type Context<Session = any> = import('@keystone-6/core/types').KeystoneContext<TypeInfo<Session>>;
-export type Config<Session = any> = import('@keystone-6/core/types').KeystoneConfig<TypeInfo<Session>>;
+export type Context<Session = any> = import('@keystone-6/core/types').KeystoneContext<TypeInfo<Session>>
+export type Config<Session = any> = import('@keystone-6/core/types').KeystoneConfig<TypeInfo<Session>>
 
 export type TypeInfo<Session = any> = {
   lists: {
-    readonly Todo: Lists.Todo.TypeInfo<Session>;
-  };
-  prisma: import('@prisma/client').PrismaClient;
-  session: Session;
-};
+    readonly Todo: Lists.Todo.TypeInfo<Session>
+  }
+  prisma: import('@prisma/client').PrismaClient
+  session: Session
+}
 
-type __TypeInfo<Session = any> = TypeInfo<Session>;
+type __TypeInfo<Session = any> = TypeInfo<Session>
 
 export type Lists<Session = any> = {
   [Key in keyof TypeInfo['lists']]?: import('@keystone-6/core').ListConfig<TypeInfo<Session>['lists'][Key]>
-} & Record<string, import('@keystone-6/core').ListConfig<any>>;
+} & Record<string, import('@keystone-6/core').ListConfig<any>>
 
 export {}
 
-`;
+`
diff --git a/tests/cli-tests/artifacts.test.ts b/tests/cli-tests/artifacts.test.ts
index 8c101eaa2ab..aae89e431f4 100644
--- a/tests/cli-tests/artifacts.test.ts
+++ b/tests/cli-tests/artifacts.test.ts
@@ -43,6 +43,7 @@ describe('postinstall', () => {
     expect(files).toEqual(await getFiles(`${__dirname}/fixtures/basic-project`, schemasMatch))
     expect(recording()).toMatchInlineSnapshot(`"? Generated GraphQL and Prisma schemas"`)
   })
+
   test("does not prompt, error or modify the schemas if they're already up to date", async () => {
     const tmp = await testdir({
       ...symlinkKeystoneDeps,
@@ -55,6 +56,7 @@ describe('postinstall', () => {
     expect(files).toEqual(await getFiles(`${__dirname}/fixtures/basic-project`, schemasMatch))
     expect(recording()).toMatchInlineSnapshot(`"? GraphQL and Prisma schemas are up to date"`)
   })
+
   test('writes the correct node_modules files', async () => {
     const tmp = await testdir({
       ...symlinkKeystoneDeps,