feat: initial logins

src/routes/+layout.svelte

@@ -2,14 +2,22 @@
     import posthog from "posthog-js";
     import logoUrl from "$lib/assets/logo.svg";
     import { onMount } from "svelte";
+    import { invalidate } from "$app/navigation";
 
-    const { children } = $props();
+    let { data, children } = $props();
+    let { session, supabase } = $derived(data);
 
     onMount(() => {
         posthog.init("phc_hTnel2Q8GKo0TgIBnFWBueJW1ATmCG9tJOtETnQTUdY", {
             api_host: "https://eu.i.posthog.com",
             person_profiles: "always"
         });
+        const { data } = supabase.auth.onAuthStateChange((_, newSession) => {
+            if (newSession?.expires_at !== session?.expires_at) {
+                invalidate("supabase:auth");
+            }
+        });
+        return () => data.subscription.unsubscribe();
     });
 </script>