feat: 类型帖互动、积分经济与发帖体验

补齐问答采纳/重开、投票匿名与有票禁编、悬赏过期退回、抽奖回帖开奖，并接入积分账本与发帖附件可见性。

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/components/RoleBadge.tsx

@@ -61,7 +61,7 @@ export default function RoleBadge({
         truncate ? "max-w-full whitespace-nowrap" : "whitespace-nowrap"
       } ${className}`}
       style={{ background: `var(${meta.softToken})`, color: `var(${meta.colorToken})` }}
-      title={title ?? label}
+      data-tip={title ?? label}
     >
       <Icon size={size} className="shrink-0" />
       {truncate ? <span className="overflow-hidden text-ellipsis">{label}</span> : label}