feat(adapters): NexusPHP takelogin login, VIP and seeding page limit for user data

loginNexusPhp (captcha / two-factor / bad credentials / blocked / Cloudflare
classification, TOTP), SiteUserInfo.vip via profile.vip_css or umt.vipLevels,
maxSeedingPages option, MTorrent parser honours apiUrl; testkit mock NexusPHP
site gains takelogin with login guards and user detail pages.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

packages/adapters/src/sites/spider/schema.ts

@@ -145,6 +145,8 @@ export interface UmtSiteExtension {
    * 主路径仍是 MP 用户信息解析器(`schema`),此处为备用数据,M2 使用。
    */
   profile?: Record<string, string>;
+  /** VIP 等级名(用户数据 vip 判定) */
+  vipLevels?: string[];
   displayName?: string;
   /** 站点时间时区偏移,如 "+08:00";pubdate/freedate 按此转 UTC */
   timezone: string;