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.

apps/bot/prisma/migrations/20260723120000_verification_captcha_alt/migration.sql

@@ -0,0 +1,37 @@
+-- AlterTable
+ALTER TABLE "VerificationConfig" ADD COLUMN IF NOT EXISTS "captchaProvider" TEXT NOT NULL DEFAULT 'MATH';
+ALTER TABLE "VerificationConfig" ADD COLUMN IF NOT EXISTS "altDetectionEnabled" BOOLEAN NOT NULL DEFAULT false;
+ALTER TABLE "VerificationConfig" ADD COLUMN IF NOT EXISTS "altBlockOnMatch" BOOLEAN NOT NULL DEFAULT true;
+ALTER TABLE "VerificationConfig" ADD COLUMN IF NOT EXISTS "altIpWindowDays" INTEGER NOT NULL DEFAULT 30;
+ALTER TABLE "VerificationConfig" ADD COLUMN IF NOT EXISTS "altInviteWindowHours" INTEGER NOT NULL DEFAULT 48;
+ALTER TABLE "VerificationConfig" ADD COLUMN IF NOT EXISTS "altMaxAccountsPerInvite" INTEGER NOT NULL DEFAULT 3;
+
+-- CreateTable
+CREATE TABLE IF NOT EXISTS "VerificationRecord" (
+    "id" TEXT NOT NULL,
+    "guildId" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "inviteCode" TEXT,
+    "inviterId" TEXT,
+    "ipHash" TEXT,
+    "userAgentHash" TEXT,
+    "captchaProvider" TEXT,
+    "flaggedAsAlt" BOOLEAN NOT NULL DEFAULT false,
+    "matchedUserId" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "VerificationRecord_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX IF NOT EXISTS "VerificationRecord_guildId_userId_key" ON "VerificationRecord"("guildId", "userId");
+CREATE INDEX IF NOT EXISTS "VerificationRecord_guildId_ipHash_createdAt_idx" ON "VerificationRecord"("guildId", "ipHash", "createdAt");
+CREATE INDEX IF NOT EXISTS "VerificationRecord_guildId_inviteCode_createdAt_idx" ON "VerificationRecord"("guildId", "inviteCode", "createdAt");
+
+-- AddForeignKey
+DO $$ BEGIN
+  ALTER TABLE "VerificationRecord" ADD CONSTRAINT "VerificationRecord_guildId_fkey"
+    FOREIGN KEY ("guildId") REFERENCES "Guild"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+EXCEPTION
+  WHEN duplicate_object THEN NULL;
+END $$;