refactor console to take DebugEvents directly

src/game/debug.rs

@@ -1,11 +1,17 @@
 use bevy::prelude::*;
+use clap::Subcommand;
 
 mod console;
 
-#[derive(Event)]
+#[derive(Event, Debug, Subcommand)]
 enum DebugEvent {
+    /// Close the debug console.
+    #[command(name = "close", aliases = ["close-console"])]
     CloseDebugConsole,
-    PrintToConsole(String),
+
+    /// Output a string to the console.
+    #[command(name = "echo", aliases = ["print", "print-to-console"])]
+    PrintToConsole { text: String },
 }
 
 pub(super) fn plugin(app: &mut App) {