feat: Update experiment creation and update functions to handle optional annotationTool and trim inputs; add datasets management page

src/app/actions/experiment.ts

@@ -17,7 +17,7 @@ export async function createExperiment({
   name: string; 
   description?: string;
   datasetId: number;
-  annotationTool: string;
+  annotationTool?: string;
   published?: boolean;
 }) {
   const result = await requireAdmin();
@@ -34,7 +34,7 @@ export async function createExperiment({
       name: name.trim(),
       description: description?.trim() || null,
       datasetId,
-      annotationTool: annotationTool.trim(),
+      annotationTool: annotationTool?.trim(),
       published,
     });
     revalidatePath('/admin/experiments');
@@ -67,7 +67,7 @@ export async function updateExperiment(
       updateData.description = updates.description.trim() || null;
     }
     if (updates.annotationTool !== undefined) {
-      updateData.annotationTool = updates.annotationTool;
+      updateData.annotationTool = updates.annotationTool?.trim();
     }
     if (updates.published !== undefined) {
       updateData.published = updates.published;

src/app/admin/datasets/page.tsx

@@ -0,0 +1,37 @@
+import Link from 'next/link';
+import DatasetsList from '@/components/DatasetsList';
+import CreateDatasetModal from '@/components/CreateDatasetModal';
+import { requireAdmin } from '@/lib/auth';
+import { redirect } from 'next/navigation';
+
+export default async function DatasetsAdminPage() {
+  const result = await requireAdmin();
+
+  if (!result.authenticated) {
+    redirect("/user/sign-in");
+  }
+
+  if (!result.admin) {
+    redirect("/");
+  }
+
+  return (
+    <div className="px-4 sm:px-6 lg:px-8 py-8">
+      <Link
+        href="/admin"
+        className="text-blue-500 hover:text-blue-600 mb-6 inline-block"
+      >
+        ← Back to Admin
+      </Link>
+
+      <div className="mb-8">
+        <h1 className="text-3xl font-bold mb-4">Datasets Management</h1>
+        <p className="text-gray-600">Manage all datasets</p>
+      </div>
+
+      <CreateDatasetModal />
+
+      <DatasetsList />
+    </div>
+  );
+}

src/app/admin/page.tsx

@@ -1,5 +1,4 @@
 import DatasetsList from "@/components/DatasetsList";
-import CreateDatasetModal from "@/components/CreateDatasetModal";
 import ExperimentsList from "@/components/ExperimentsList";
 import { AdminTokenForm } from "@/components/AdminTokenForm";
 import BuildInfo from "@/components/BuildInfo";
@@ -22,12 +21,12 @@ export default async function AdminPage() {
     <div className="px-4 sm:px-6 lg:px-8 py-8">
       <div className="mb-8">
         <h1 className="text-3xl font-bold mb-4">Admin Panel</h1>
-        <div className="flex gap-4">
+        <div className="flex flex-wrap gap-4">
           <Link
-            href="/admin/users"
+            href="/admin/datasets"
             className="px-4 py-2 bg-blue-500 text-white rounded hover:bg-blue-600"
           >
-            Manage Users
+            Manage Datasets
           </Link>
           <Link
             href="/admin/experiments"
@@ -35,6 +34,12 @@ export default async function AdminPage() {
           >
             Manage Experiments
           </Link>
+          <Link
+            href="/admin/users"
+            className="px-4 py-2 bg-blue-500 text-white rounded hover:bg-blue-600"
+          >
+            Manage Users
+          </Link>
         </div>
       </div>
 
@@ -42,16 +47,14 @@ export default async function AdminPage() {
         <BuildInfo />
       </div>
 
-      <div className="mt-8">
-        <h2 className="text-2xl font-bold mb-4">Datasets</h2>
-        <CreateDatasetModal />
-        <DatasetsList />
-      </div>
+      <div className="grid grid-cols-1 lg:grid-cols-2 gap-8 mt-8">
+        <div>
+          <DatasetsList />
+        </div>
 
-      <div className="mt-12">
-        <h2 className="text-2xl font-bold mb-4">Experiments</h2>
-        <p className="text-gray-600 mb-4">Manage experiments globally or <Link href="/admin/experiments" className="text-blue-500 hover:text-blue-600 font-semibold">go to the experiments management page</Link></p>
-        <ExperimentsList />
+        <div>
+          <ExperimentsList />
+        </div>
       </div>
     </div>
   );