fix: ignore intentional redirect errors in posthog

instrumentation-client.ts

@@ -6,4 +6,15 @@ posthog.init(process.env.NEXT_PUBLIC_POSTHOG_PROJECT_TOKEN!, {
   defaults: "2026-01-30",
   capture_exceptions: true,
   debug: process.env.ENVIRONMENT === "development",
+
+  before_send: (event) => {
+    if (event?.event === "$exception") {
+      const exceptionList = event.properties.$exception_list || [];
+      const exception = exceptionList[0];
+      if (exception?.value === "NEXT_REDIRECT") {
+        return null; // Drop it entirely
+      }
+    }
+    return event;
+  },
 });