add @ mentions in chat

frontend/src/routes/[fam]/+layout.server.ts

@@ -52,7 +52,11 @@ export async function load(event) {
 	const pbToken = event.cookies.get('pb_token') || '';
 
 	let famId = '';
-	let chat: { famId: string; actor: ChatActor } | null = null;
+	let chat: {
+		famId: string;
+		actor: ChatActor;
+		members?: { id: string; name: string; color: string; role: 'parent' | 'child' }[];
+	} | null = null;
 	let fam: any = null;
 	let famAccess = {
 		disabled: false,

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

@@ -170,7 +170,8 @@
 			actorType: chat.actor.type,
 			actorName: chat.actor.name,
 			actorColor: chat.actor.color || '#6366f1',
-			pbToken: page.data.pbToken || ''
+			pbToken: page.data.pbToken || '',
+			members: chat.members || []
 		});
 	});
 </script>

frontend/src/routes/api/chat/+server.ts

@@ -34,10 +34,11 @@ export async function POST(event: RequestEvent) {
 				? await s.chat.typing(famId, actor, { typing: Boolean(body.typing) })
 				: await s.chat.send(famId, actor, {
 						content: body.content || '',
-						clientId: body.clientId || ''
+						clientId: body.clientId || '',
+						siteUrl: event.url.origin
 					});
 		return json(data);
 	} catch (e) {
 		return json({ error: e instanceof Error ? e.message : 'chat request failed' }, { status: 400 });
 	}
-}
+}