feat: multi-tier agent hierarchy, wallet ledger, and player UX polish

Add configurable agent max level and default sub-agent credit ratio, per-agent block direct player login on suspend, admin/agent wallet transaction views, and match detail my-bets section with refreshed player card styling.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/prisma/migrations/20260610061106_agent_block_direct_player_login/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "agent_profiles" ADD COLUMN     "block_direct_player_login" BOOLEAN NOT NULL DEFAULT false;

apps/api/prisma/schema.prisma

@@ -131,6 +131,7 @@ model AgentProfile {
   maxSingleDeposit      Decimal? @map("max_single_deposit") @db.Decimal(18, 4)
   maxDailyDeposit       Decimal? @map("max_daily_deposit") @db.Decimal(18, 4)
   cashbackRate          Decimal  @default(0) @map("cashback_rate") @db.Decimal(8, 4)
+  blockDirectPlayerLogin Boolean @default(false) @map("block_direct_player_login")
   createdAt             DateTime @default(now()) @map("created_at")
   updatedAt             DateTime @updatedAt @map("updated_at")