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/definitions/schema.ts

@@ -103,6 +103,8 @@ const UmtNexusSchema = z.strictObject({
     })
     .optional(),
   profile: z.record(z.string(), z.string()).optional(),
+  /** VIP 等级名(用户数据 vip 判定;profile.vip_css 之外的补充) */
+  vipLevels: z.array(z.string()).optional(),
   detail: z
     .strictObject({
       path: z.string(),