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

scripts/smoke_test_audio_manager.gd

@@ -15,6 +15,7 @@ func _run() -> void:
 		quit(1)
 		return
 	print("PASS: AudioManager autoload exists in scene tree.")
+	audio_mgr.set_sound_enabled(true, false)
 
 	# 1. Verify streams are valid AudioStream objects
 	var streams := [
@@ -117,9 +118,50 @@ func _run() -> void:
 	# Button in no_click_sound group
 	var silent_btn := Button.new()
 	silent_btn.add_to_group("no_click_sound")
-	root.add_child(silent_btn)
-	await process_frame
-	silent_btn.emit_signal("pressed")
+	# 6. Verify sound toggle & mute functionality
+	var tracker := {"received": false, "val": false}
+	audio_mgr.sound_toggled.connect(func(val: bool):
+		tracker["received"] = true
+		tracker["val"] = val
+	)
+
+	# Toggle OFF
+	var new_state: bool = audio_mgr.toggle_sound()
+	if new_state != false or audio_mgr.is_sound_enabled() != false:
+		printerr("FAIL: toggle_sound() should disable sound")
+		quit(1)
+		return
+	if not tracker["received"] or tracker["val"] != false:
+		printerr("FAIL: sound_toggled signal not fired on disable")
+		quit(1)
+		return
+
+	# When sound disabled, play_click should return null
+	var disabled_p: AudioStreamPlayer = audio_mgr.play_click()
+	if disabled_p != null:
+		printerr("FAIL: play_click() returned non-null when sound disabled")
+		quit(1)
+		return
+	print("PASS: Sound disable successfully suppressed audio playback.")
+
+	# Toggle back ON
+	tracker["received"] = false
+	new_state = audio_mgr.toggle_sound()
+	if new_state != true or audio_mgr.is_sound_enabled() != true:
+		printerr("FAIL: toggle_sound() should re-enable sound")
+		quit(1)
+		return
+	if not tracker["received"] or tracker["val"] != true:
+		printerr("FAIL: sound_toggled signal not fired on re-enable")
+		quit(1)
+		return
+
+	var reenabled_p: AudioStreamPlayer = audio_mgr.play_click()
+	if reenabled_p == null:
+		printerr("FAIL: play_click() returned null after re-enabling sound")
+		quit(1)
+		return
+	print("PASS: Sound re-enable restored audio playback and signal notifications.")
 
 	print("SMOKE RESULT: PASS")
 	quit(0)