diff --git a/drizzle/0001_fix_email_verified.sql b/drizzle/0001_fix_email_verified.sql
new file mode 100644
index 0000000..57534e2
--- /dev/null
+++ b/drizzle/0001_fix_email_verified.sql
@@ -0,0 +1 @@
+ALTER TABLE "users" ALTER COLUMN "email_verified" SET DATA TYPE boolean USING ("email_verified" IS NOT NULL);
diff --git a/drizzle/meta/_journal.json b/drizzle/meta/_journal.json
index dec115a..8ea146d 100644
--- a/drizzle/meta/_journal.json
+++ b/drizzle/meta/_journal.json
@@ -8,6 +8,13 @@
       "when": 1777066297133,
       "tag": "0000_gorgeous_puma",
       "breakpoints": true
+    },
+    {
+      "idx": 1,
+      "version": "7",
+      "when": 1777066300000,
+      "tag": "0001_fix_email_verified",
+      "breakpoints": true
     }
   ]
 }
\ No newline at end of file
diff --git a/src/app/api/compare/route.ts b/src/app/api/compare/route.ts
index 8e057a4..75e8dbc 100644
--- a/src/app/api/compare/route.ts
+++ b/src/app/api/compare/route.ts
@@ -5,6 +5,7 @@ import { db } from "@/lib/db";
 import { comparisons, comparisonItems } from "@/lib/db/schema";
 import { eq } from "drizzle-orm";
 import { createId } from "@paralleldrive/cuid2";
+import { auth } from "@/lib/auth";
 
 function serializeSSE(event: string, data: unknown): string {
   return `event: ${event}\ndata: ${JSON.stringify(data)}\n\n`;
@@ -23,6 +24,11 @@ function slugify(text: string): string {
 // const ratelimit = new Ratelimit({ redis, limiter: slidingWindow(5, "1m") })
 
 export async function POST(request: Request) {
+  const session = await auth.api.getSession({ headers: request.headers });
+  if (!session?.user) {
+    return Response.json({ error: "Authentication required" }, { status: 401 });
+  }
+
   const body: { query?: string; items?: string[]; dimensions?: string[] } =
     await request.json();
   const { query, items, dimensions } = body;
@@ -54,7 +60,7 @@ export async function POST(request: Request) {
 
   await db.insert(comparisons).values({
     id,
-    userId: "system",
+    userId: session.user.id,
     title,
     query: query ?? title,
     slug,