feat: stop on next song + start on empty queue

frontend/src/routes/admin/[id]/+page.svelte

@@ -52,6 +52,10 @@
 
         queueSongs = songs
         playingIndex = index
+
+        if (queueSongs.length == 0) {
+            playNext()
+        }
     })
 
     $effect(() => {
@@ -72,6 +76,11 @@
 
         queueSongs = songs
         playingIndex = index
+
+        if (audioController) {
+            audioController.pause()
+            audioController.currentTime = 0
+        }
     }
 
     function seek(e: Event) {

frontend/src/routes/room/[id]/+page.svelte

@@ -9,7 +9,6 @@
     import type { FetchError } from "$lib/types.js"
     import { io, Socket } from "socket.io-client"
     import { get_coords } from "$lib/gps.js"
-    import type { Coordinates } from "$lib/gps.js"
 
     let { data } = $props()
 

frontend/src/routes/room/[id]/+page.ts

@@ -1,13 +1,7 @@
-import { error, type Load, type ServerLoad } from "@sveltejs/kit"
 import type { PageLoad } from "./$types"
-import type { FetchError } from "$lib/util"
-import { parseSuggestion, type Suggestion } from "$lib/types"
 
-export const load: PageLoad = async ({ params }) => {
-    if (params.id) {
-        return {
-            roomId: params.id,
-        }
+export const load: PageLoad = ({ params, url }) => {
+    return {
+        roomId: params.id || "",
     }
-    error(400, "Please provide a room id")
 }