fix(client): eliminate runtime warnings — radial size deferred, storyteller log removed

- world_radial.gd: use set_deferred("size", ...) to avoid anchor conflict warning
- storyteller: remove noisy "no Simmering triangles" warn (normal state, not exceptional)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

client/ui/world_radial.gd

@@ -43,7 +43,7 @@ var _cached_font: Font = null
 func _ready() -> void:
 	var menu_extent := SPOKE_RADIUS + ICON_SIZE + 20.0  # spoke + icon + label margin
 	custom_minimum_size = Vector2(menu_extent * 2.0, menu_extent * 2.0)
-	size = custom_minimum_size
+	set_deferred("size", custom_minimum_size)
 	visible = false
 	mouse_filter = Control.MOUSE_FILTER_STOP
 	_cached_font = get_theme_default_font()