add toggle fix and possible log out issue

frontend/src/routes/[fam]/+layout.svelte

@@ -134,11 +134,16 @@
 	// their OTP on /{fam}/join/{username} then landing on /{fam}/{username}.
 	// The handle comes from the session (not page.params) so jump-back-in lands
 	// on the user's own dashboard even from the bare /{fam} page.
+	// The slug MUST come from the fam record — page.params.fam may be the PB
+	// id (login ID-fallback / stale link) when page.data.fam failed to load,
+	// and recording that poisons the shortcut (famSlug === famName === id).
 	$effect(() => {
 		if (!page.data.session) return;
+		const slug = page.data.fam?.slug as string;
+		if (!slug) return;
 		recordShortcut({
-			famSlug: (page.data.fam?.slug as string) || page.params.fam || '',
-			famName: (page.data.fam?.name as string) || page.params.fam || '',
+			famSlug: slug,
+			famName: (page.data.fam?.name as string) || slug,
 			userName: page.data.session.username || page.params.username || ''
 		});
 	});