fix(chat): support body and content fields in world and DM chat messages; feat(audio): add sound toggle switch and mute controls

scripts/main_menu.gd

@@ -87,6 +87,18 @@ static func _update_fs_button(btn: Button) -> void:
 		btn.text = "⛶ Fullscreen (F11)"
 
 
+static func _update_sound_button(btn: Button) -> void:
+	if btn == null or not is_instance_valid(btn):
+		return
+	var main_loop = Engine.get_main_loop()
+	var audio_mgr: Node = main_loop.root.get_node_or_null("AudioManager") if main_loop is SceneTree else null
+	var enabled: bool = audio_mgr.is_sound_enabled() if audio_mgr and audio_mgr.has_method("is_sound_enabled") else true
+	if enabled:
+		btn.text = "🔊 Sound: ON"
+	else:
+		btn.text = "🔇 Sound: OFF"
+
+
 func _ready() -> void:
 	var v := Label.new()
 	var bl := _build_label()
@@ -134,6 +146,33 @@ func _ready() -> void:
 	ctrl_btn.pressed.connect(_on_controls_button_pressed)
 	add_child(ctrl_btn)
 
+	var sound_btn := Button.new()
+	sound_btn.name = "SoundButton"
+	sound_btn.set_anchors_preset(Control.PRESET_TOP_RIGHT)
+	sound_btn.offset_left = -440
+	sound_btn.offset_top = 10
+	sound_btn.offset_right = -310
+	sound_btn.offset_bottom = 38
+	sound_btn.add_theme_font_size_override("font_size", 12)
+	_update_sound_button(sound_btn)
+	sound_btn.pressed.connect(func():
+		var audio_mgr = get_node_or_null("/root/AudioManager")
+		if audio_mgr and audio_mgr.has_method("toggle_sound"):
+			audio_mgr.toggle_sound()
+		_update_sound_button(sound_btn)
+	)
+	var audio_singleton = get_node_or_null("/root/AudioManager")
+	if audio_singleton and audio_singleton.has_signal("sound_toggled"):
+		var on_toggled = func(_enabled: bool):
+			if is_instance_valid(sound_btn):
+				_update_sound_button(sound_btn)
+		audio_singleton.sound_toggled.connect(on_toggled)
+		sound_btn.tree_exiting.connect(func():
+			if is_instance_valid(audio_singleton) and audio_singleton.sound_toggled.is_connected(on_toggled):
+				audio_singleton.sound_toggled.disconnect(on_toggled)
+		)
+	add_child(sound_btn)
+
 	# Cache node references.
 	_auth_buttons_row = $CenterContainer/VBoxContainer/AuthButtonsRow
 	_login_button = $CenterContainer/VBoxContainer/AuthButtonsRow/LoginButton