Enhance verification system with multi-provider support and alt-account detection

- Added support for multiple captcha providers including Google reCAPTCHA (v2 and v3), hCaptcha, and Cloudflare Turnstile.
- Introduced new fields in the verification configuration for selecting captcha providers and enabling alt-account detection.
- Implemented logic to handle verification attempts and flag potential alt accounts based on IP and invite code analysis.
- Updated environment configuration to include necessary keys for captcha providers.
- Enhanced the user interface to allow selection of captcha providers in the verification setup.
- Improved backend handling of verification records to store additional data related to captcha provider usage.

packages/shared/src/phase2.ts

@@ -207,13 +207,28 @@ export type VerificationMode = z.infer<typeof VerificationModeSchema>;
 export const VerificationFailActionSchema = z.enum(['KICK', 'BAN', 'NONE']);
 export type VerificationFailAction = z.infer<typeof VerificationFailActionSchema>;
 
+export const CaptchaProviderSchema = z.enum([
+  'MATH',
+  'RECAPTCHA_V2',
+  'RECAPTCHA_V3',
+  'HCAPTCHA',
+  'TURNSTILE'
+]);
+export type CaptchaProvider = z.infer<typeof CaptchaProviderSchema>;
+
 export const VerificationSetupSchema = z.object({
   channel: z.string().min(1),
   verifiedRole: z.string().min(1),
   unverifiedRole: z.string().optional(),
   mode: VerificationModeSchema.default('BUTTON'),
+  captchaProvider: CaptchaProviderSchema.default('MATH'),
   minAccountAgeDays: z.number().int().nonnegative().default(0),
-  failAction: VerificationFailActionSchema.default('KICK')
+  failAction: VerificationFailActionSchema.default('KICK'),
+  altDetectionEnabled: z.boolean().default(false),
+  altBlockOnMatch: z.boolean().default(true),
+  altIpWindowDays: z.number().int().min(1).max(365).default(30),
+  altInviteWindowHours: z.number().int().min(1).max(720).default(48),
+  altMaxAccountsPerInvite: z.number().int().min(1).max(50).default(3)
 });
 export type VerificationSetup = z.infer<typeof VerificationSetupSchema>;