feat: improve transparency of the join command

src/main.rs

@@ -132,7 +132,7 @@ async fn main() -> Result<(), MainError> {
         .await
         .expect("couldn't get current Discord application"); // TODO
 
-    let application_id = current_application.id;
+    let discord_application_id = current_application.id;
 
     let shard_id = ShardId::new(0, 1);
     let intents = Intents::GUILD_VOICE_STATES;
@@ -150,7 +150,7 @@ async fn main() -> Result<(), MainError> {
     let event_types = EventTypeFlags::GUILD_VOICE_STATES | EventTypeFlags::INTERACTION_CREATE;
     let mut next_event = shard.next_event(event_types);
 
-    let interaction_client = discord_client.interaction(application_id);
+    let interaction_client = discord_client.interaction(discord_application_id);
 
     let commands = all_commands();
 
@@ -172,11 +172,17 @@ async fn main() -> Result<(), MainError> {
     let command_router = CommandRouter::from_iter(commands);
 
     let vcs = initialize_vcs(&discord_client).await;
+
+    let discord_client = Arc::new(discord_client);
+    let songbird = Arc::new(songbird);
     let vcs = Arc::new(vcs);
 
-    let songbird = Arc::new(songbird);
-
-    let state = State { vcs, songbird };
+    let state = State {
+        discord_application_id,
+        discord_client,
+        songbird,
+        vcs,
+    };
 
     while let Some(event_res) = next_event.await {
         match event_res {