feat(pages): add reusable page block editor and renderer baseline

apps/admin/src/app/pages/[id]/page.tsx

@@ -10,6 +10,7 @@ import Link from "next/link"
 import { redirect } from "next/navigation"
 
 import { AdminShell } from "@/components/admin-shell"
+import { PageBlockEditor } from "@/components/pages/page-block-editor"
 import { requirePermissionForRoute } from "@/lib/route-guards"
 
 export const dynamic = "force-dynamic"
@@ -242,16 +243,7 @@ export default async function PageEditorPage({ params, searchParams }: PageProps
             />
           </label>
 
-          <label className="space-y-1">
-            <span className="text-xs text-neutral-600">Content</span>
-            <textarea
-              name="content"
-              rows={10}
-              defaultValue={page.content}
-              required
-              className="w-full rounded border border-neutral-300 px-3 py-2 text-sm"
-            />
-          </label>
+          <PageBlockEditor name="content" initialContent={page.content} />
 
           <div className="grid gap-3 md:grid-cols-2">
             <label className="space-y-1">
@@ -368,16 +360,11 @@ export default async function PageEditorPage({ params, searchParams }: PageProps
             />
           </label>
 
-          <label className="space-y-1">
-            <span className="text-xs text-neutral-600">Content</span>
-            <textarea
-              name="content"
-              rows={8}
-              defaultValue={selectedTranslation?.content ?? page.content}
-              required
-              className="w-full rounded border border-neutral-300 px-3 py-2 text-sm"
-            />
-          </label>
+          <PageBlockEditor
+            name="content"
+            initialContent={selectedTranslation?.content ?? page.content}
+            label="Translation Blocks"
+          />
 
           <div className="grid gap-3 md:grid-cols-2">
             <label className="space-y-1">