Apply Groups Database Migration

[thinmintdev]

Description

Apply the pending groups migration to enable social betting features.

Migration File

packages/database/migrations/20260116000000_add_groups/

Steps

1. Review migration file for correctness
2. Run npx prisma migrate deploy
3. Regenerate Prisma client
4. Test Group CRUD operations

Blocked By

• Issue Build Failure: Zod schema type mismatch in admin/market-imports #140 (build failure) should be fixed first

Priority

P0 - Critical - Blocking groups feature