feat: reroll 一键重刷

public/dev/game-mock.html

@@ -10,6 +10,7 @@
                       |overtime|drain (boss rounds: level time over / overtime drain) |paused (solo battles)
                       |funny (标准: 本局禁用 bonds) |morph (变形同构体 in the hand / shop, a wearer on the board) |harmony (缪尔赛思 on the board)
               &shot=1 (hide the switcher)  &render=engine|fallback (default: the Pixi engine, DOM fallback if it fails)
+			  &variant=equipped (RESULT: zero, one or two carried equipment items, including upgraded ones)
   Keyboard: ` toggles the switcher.
 -->
 <html lang="zh-CN">