Track shards separately, upgrade deps

src/routes/chat/[chat]/+page.svelte

@@ -1,8 +1,11 @@
 <script lang="ts">
   import {page} from "$app/stores"
+  import type {MakeNonOptional} from '@welshman/lib'
   import Chat from "@app/components/Chat.svelte"
   import {notifications, setChecked} from "@app/util/notifications"
 
+  const {chat} = $page.params as MakeNonOptional<typeof $page.params>
+
   // We have to watch this one, since on mobile the badge will be visible when active
   $effect(() => {
     if ($notifications.has($page.url.pathname)) {
@@ -11,4 +14,4 @@
   })
 </script>
 
-<Chat id={$page.params.chat} />
+<Chat id={chat} />