diff --git a/e2e/landing.spec.js b/e2e/landing.spec.js
index db1fd5d8..6610bae7 100644
--- a/e2e/landing.spec.js
+++ b/e2e/landing.spec.js
@@ -3,7 +3,7 @@ import { expect, test } from "@playwright/test";
 test("landing page renders GitHub sign-in entrypoint", async ({ page }) => {
   await page.goto("/");
 
-  await expect(page.getByRole("heading", { name: "DevTrack" })).toBeVisible();
+  await expect(page.getByRole("heading", { name: "DevTrack", exact: true })).toBeVisible();
   await expect(
     page.getByRole("link", { name: "Sign in with GitHub" }),
   ).toHaveAttribute("href", /\/api\/auth\/signin\/github\?callbackUrl=\/dashboard/);
@@ -18,4 +18,4 @@ test("dashboard stays protected for unauthenticated users", async ({ page }) =>
 
   await expect(page).toHaveURL(/\/$/);
   await expect(page.getByRole("link", { name: "Sign in with GitHub" })).toBeVisible();
-});
+});
\ No newline at end of file
diff --git a/src/app/api/local-coding/sync/route.ts b/src/app/api/local-coding/sync/route.ts
index 56df39a3..c1c22940 100644
--- a/src/app/api/local-coding/sync/route.ts
+++ b/src/app/api/local-coding/sync/route.ts
@@ -122,10 +122,12 @@ export async function POST(req: NextRequest) {
     project_count: session.projectCount || 0,
   }));
 
-  for (const record of records) {
-    await supabaseAdmin
-      .from("local_coding_sessions")
-      .upsert(record, { onConflict: "user_id,date" });
+  const { error: upsertError } = await supabaseAdmin
+    .from("local_coding_sessions")
+    .upsert(records, { onConflict: "user_id,date" });
+
+  if (upsertError) {
+    return Response.json({ error: "Failed to sync sessions" }, { status: 500 });
   }
 
   return Response.json({