ui/phase-12: order composer skeleton

OrderDraftStore persists per-game command drafts in Cache; the
sidebar Order tab renders the list with a per-row delete control.
The layout passes a `historyMode` prop through Sidebar / BottomTabs
as a constant `false`, so Phase 26 only flips the source.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

ui/frontend/src/lib/i18n/locales/ru.ts

@@ -119,7 +119,8 @@ const ru: Record<keyof typeof en, string> = {
 	"game.sidebar.tab.order": "приказ",
 	"game.sidebar.empty.calculator": "скоро будет",
 	"game.sidebar.empty.inspector": "выберите объект на карте",
-	"game.sidebar.empty.order": "скоро будет",
+	"game.sidebar.empty.order": "приказ пуст",
+	"game.sidebar.order.command_delete": "удалить",
 	"game.bottom_tabs.map": "карта",
 	"game.bottom_tabs.calc": "калк",
 	"game.bottom_tabs.order": "приказ",