feat: add file upload and management features; enhance pagination and permissions handling

apps/web/app/[locale]/home/[account]/files/page.tsx

@@ -0,0 +1,70 @@
+import { createModuleBuilderApi } from '@kit/module-builder/api';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
+import { ListToolbar } from '@kit/ui/list-toolbar';
+
+import { AccountNotFound } from '~/components/account-not-found';
+import { CmsPageShell } from '~/components/cms-page-shell';
+
+import { FileUploadDialog } from './file-upload-dialog';
+import { FilesTable } from './files-table';
+
+interface Props {
+  params: Promise<{ account: string }>;
+  searchParams: Promise<Record<string, string | string[] | undefined>>;
+}
+
+export default async function FilesPage({ params, searchParams }: Props) {
+  const { account } = await params;
+  const search = await searchParams;
+  const client = getSupabaseServerClient();
+
+  const { data: acct } = await client
+    .from('accounts')
+    .select('id')
+    .eq('slug', account)
+    .single();
+
+  if (!acct) return <AccountNotFound />;
+
+  const api = createModuleBuilderApi(client);
+  const page = Number(search.page) || 1;
+  const pageSize = 25;
+
+  const result = await api.files.listFiles(acct.id, {
+    search: search.q as string,
+    page,
+    pageSize,
+  });
+
+  // Resolve public URLs for each file
+  const filesWithUrls = result.data.map((file) => ({
+    id: String(file.id),
+    file_name: String(file.file_name),
+    original_name: String(file.original_name),
+    mime_type: String(file.mime_type),
+    file_size: Number(file.file_size),
+    created_at: String(file.created_at),
+    storage_path: String(file.storage_path),
+    publicUrl: api.files.getPublicUrl(String(file.storage_path)),
+  }));
+
+  return (
+    <CmsPageShell
+      account={account}
+      title="Dateien"
+      description="Dateien hochladen und verwalten"
+    >
+      <div className="flex flex-col gap-4">
+        <div className="flex items-center justify-between gap-4">
+          <ListToolbar searchPlaceholder="Datei suchen..." />
+          <FileUploadDialog accountId={acct.id} />
+        </div>
+
+        <FilesTable
+          files={filesWithUrls}
+          pagination={{ total: result.total, page, pageSize }}
+        />
+      </div>
+    </CmsPageShell>
+  );
+}