feat: refine admin workflows and deployment packaging

src/app/(payload)/admin/[[...segments]]/page.tsx

@@ -1,7 +1,7 @@
 import configPromise from '@payload-config'
 import { RootPage, generatePageMetadata } from '@payloadcms/next/views'
 import { headers as getHeaders } from 'next/headers'
-import { redirect } from 'next/navigation'
+import { notFound, redirect } from 'next/navigation'
 import { executeAuthStrategies, getPayload } from 'payload'
 // @ts-expect-error generated by Payload admin import map generator
 import { importMap } from '../importMap.js'
@@ -13,6 +13,11 @@ type AdminPageProps = {
   searchParams: Promise<{ [key: string]: string | string[] | undefined }>
 }
 
+async function getAdminSegments(params: AdminPageProps['params']) {
+  const value = await params
+  return Array.isArray(value.segments) ? value.segments.filter(Boolean) : []
+}
+
 async function getAdminUser() {
   const [config, headers] = await Promise.all([configPromise, getHeaders()])
   const payload = await getPayload({
@@ -28,23 +33,23 @@ async function getAdminUser() {
 }
 
 export async function generateMetadata({ params, searchParams }: AdminPageProps) {
+  const segments = await getAdminSegments(params)
+
+  if (segments[0] === 'forgot') notFound()
+
   return generatePageMetadata({
     config: configPromise,
-    params: params as Promise<{ [key: string]: string | string[] }>,
+    params: Promise.resolve({ segments }),
     searchParams: searchParams as Promise<{ [key: string]: string | string[] }>,
   })
 }
 
 export default async function PayloadAdminPage({ params, searchParams }: AdminPageProps) {
-  const normalizedParams = params.then(async (value) => {
-    const segments = Array.isArray(value.segments) ? value.segments.filter(Boolean) : []
-
-    return { segments }
-  })
-
-  const { segments } = await normalizedParams
+  const segments = await getAdminSegments(params)
   const resolvedSearchParams = await searchParams
 
+  if (segments[0] === 'forgot') notFound()
+
   if (segments.length === 1 && segments[0] === 'login') {
     if (await getAdminUser()) redirect('/admin')
 
@@ -52,9 +57,10 @@ export default async function PayloadAdminPage({ params, searchParams }: AdminPa
   }
 
   if (segments.length === 0) {
-    if (!(await getAdminUser())) redirect('/admin/login?redirect=/admin')
+    const user = await getAdminUser()
+    if (!user) redirect('/admin/login?redirect=/admin')
 
-    return <AdminHome cacheCleared={resolvedSearchParams.cache === 'cleared'} />
+    return <AdminHome cacheCleared={resolvedSearchParams.cache === 'cleared'} user={user} />
   }
 
   return RootPage({