diff --git a/README.md b/README.md
index 5262e12..e9987ba 100644
--- a/README.md
+++ b/README.md
@@ -61,8 +61,27 @@ API 文档：http://localhost:3000/api/docs
 ## 项目结构
 
 ```
+apps/api/src/
+├── domains/                 # 8 个业务领域
+│   ├── identity/            # 身份与权限（auth + users）
+│   ├── agent/               # 代理网络
+│   ├── ledger/              # 账务账本（wallet）
+│   ├── catalog/             # 赛事目录（matches）
+│   ├── odds/                # 盘口赔率（markets）
+│   ├── betting/             # 注单引擎
+│   ├── settlement/          # 结算引擎（含 domain/ 纯函数）
+│   └── operations/          # 运营支撑（audit/cashback/content/i18n）
+├── applications/            # 三端应用层（编排，不含领域规则）
+│   ├── player/
+│   ├── admin/
+│   └── agent/
+├── shared/                  # 基础设施
+│   ├── prisma/
+│   └── common/
+├── app.module.ts
+└── main.ts
+
 apps/
-  api/          NestJS 单体后端
   player/       玩家 H5 前台
   admin/        平台后台
   agent/        代理后台
diff --git a/apps/api/src/admin/admin.module.ts b/apps/api/src/admin/admin.module.ts
deleted file mode 100644
index 66d1a2e..0000000
--- a/apps/api/src/admin/admin.module.ts
+++ /dev/null
@@ -1,29 +0,0 @@
-import { Module } from '@nestjs/common';
-import { AdminController } from './admin.controller';
-import { UsersModule } from '../users/users.module';
-import { AgentsModule } from '../agents/agents.module';
-import { WalletModule } from '../wallet/wallet.module';
-import { MatchesModule } from '../matches/matches.module';
-import { MarketsModule } from '../markets/markets.module';
-import { SettlementModule } from '../settlement/settlement.module';
-import { CashbackModule } from '../cashback/cashback.module';
-import { ContentModule } from '../content/content.module';
-import { I18nModule } from '../i18n/i18n.module';
-import { BetsModule } from '../bets/bets.module';
-
-@Module({
-  imports: [
-    UsersModule,
-    AgentsModule,
-    WalletModule,
-    MatchesModule,
-    MarketsModule,
-    SettlementModule,
-    CashbackModule,
-    ContentModule,
-    I18nModule,
-    BetsModule,
-  ],
-  controllers: [AdminController],
-})
-export class AdminModule {}
diff --git a/apps/api/src/app.module.ts b/apps/api/src/app.module.ts
index 81dec80..1534ef9 100644
--- a/apps/api/src/app.module.ts
+++ b/apps/api/src/app.module.ts
@@ -2,41 +2,33 @@ import { Module } from '@nestjs/common';
 import { ConfigModule } from '@nestjs/config';
 import { ScheduleModule } from '@nestjs/schedule';
 import { APP_GUARD } from '@nestjs/core';
-import { JwtAuthGuard } from './auth/guards';
-import { PrismaModule } from './prisma/prisma.module';
-import { AuthModule } from './auth/auth.module';
-import { UsersModule } from './users/users.module';
-import { AgentsModule } from './agents/agents.module';
-import { WalletModule } from './wallet/wallet.module';
-import { MatchesModule } from './matches/matches.module';
-import { MarketsModule } from './markets/markets.module';
-import { BetsModule } from './bets/bets.module';
-import { SettlementModule } from './settlement/settlement.module';
-import { CashbackModule } from './cashback/cashback.module';
-import { ContentModule } from './content/content.module';
-import { I18nModule } from './i18n/i18n.module';
-import { AuditModule } from './audit/audit.module';
-import { AdminModule } from './admin/admin.module';
-import { PlayerModule } from './player/player.module';
-import { AgentPortalModule } from './agent-portal/agent-portal.module';
+import { JwtAuthGuard } from './domains/identity/guards';
+import { PrismaModule } from './shared/prisma/prisma.module';
+import { IdentityModule } from './domains/identity/identity.module';
+import { AgentsModule } from './domains/agent/agents.module';
+import { WalletModule } from './domains/ledger/wallet.module';
+import { MatchesModule } from './domains/catalog/matches.module';
+import { MarketsModule } from './domains/odds/markets.module';
+import { BetsModule } from './domains/betting/bets.module';
+import { SettlementModule } from './domains/settlement/settlement.module';
+import { OperationsModule } from './domains/operations/operations.module';
+import { AdminModule } from './applications/admin/admin.module';
+import { PlayerModule } from './applications/player/player.module';
+import { AgentPortalModule } from './applications/agent/agent-portal.module';
 
 @Module({
   imports: [
     ConfigModule.forRoot({ isGlobal: true }),
     ScheduleModule.forRoot(),
     PrismaModule,
-    AuthModule,
-    UsersModule,
+    IdentityModule,
     AgentsModule,
     WalletModule,
     MatchesModule,
     MarketsModule,
     BetsModule,
     SettlementModule,
-    CashbackModule,
-    ContentModule,
-    I18nModule,
-    AuditModule,
+    OperationsModule,
     AdminModule,
     PlayerModule,
     AgentPortalModule,
diff --git a/apps/api/src/admin/admin.controller.ts b/apps/api/src/applications/admin/admin.controller.ts
similarity index 90%
rename from apps/api/src/admin/admin.controller.ts
rename to apps/api/src/applications/admin/admin.controller.ts
index 1607a7f..5422c15 100644
--- a/apps/api/src/admin/admin.controller.ts
+++ b/apps/api/src/applications/admin/admin.controller.ts
@@ -9,21 +9,21 @@ import {
   UseGuards,
 } from '@nestjs/common';
 import { ApiTags, ApiBearerAuth } from '@nestjs/swagger';
-import { JwtAuthGuard, AdminGuard } from '../auth/guards';
-import { ContentService } from '../content/content.service';
-import { CurrentUser } from '../common/decorators';
-import { jsonResponse } from '../common/filters';
-import { UsersService } from '../users/users.service';
-import { AgentsService } from '../agents/agents.service';
-import { WalletService } from '../wallet/wallet.service';
-import { MatchesService } from '../matches/matches.service';
-import { MarketsService } from '../markets/markets.service';
-import { SettlementService } from '../settlement/settlement.service';
-import { CashbackService } from '../cashback/cashback.service';
-import { I18nService } from '../i18n/i18n.service';
-import { AuditService } from '../audit/audit.service';
-import { BetsService } from '../bets/bets.service';
-import { PrismaService } from '../prisma/prisma.service';
+import { JwtAuthGuard, AdminGuard } from '../../domains/identity/guards';
+import { ContentService } from '../../domains/operations/content/content.service';
+import { CurrentUser } from '../../shared/common/decorators';
+import { jsonResponse } from '../../shared/common/filters';
+import { UsersService } from '../../domains/identity/users.service';
+import { AgentsService } from '../../domains/agent/agents.service';
+import { WalletService } from '../../domains/ledger/wallet.service';
+import { MatchesService } from '../../domains/catalog/matches.service';
+import { MarketsService } from '../../domains/odds/markets.service';
+import { SettlementService } from '../../domains/settlement/settlement.service';
+import { CashbackService } from '../../domains/operations/cashback/cashback.service';
+import { I18nService } from '../../domains/operations/i18n/i18n.service';
+import { AuditService } from '../../domains/operations/audit/audit.service';
+import { BetsService } from '../../domains/betting/bets.service';
+import { PrismaService } from '../../shared/prisma/prisma.service';
 import { IsString, IsNumber, IsOptional, IsArray, IsBoolean, MinLength } from 'class-validator';
 
 class CreateUserDto {
diff --git a/apps/api/src/applications/admin/admin.module.ts b/apps/api/src/applications/admin/admin.module.ts
new file mode 100644
index 0000000..844eac5
--- /dev/null
+++ b/apps/api/src/applications/admin/admin.module.ts
@@ -0,0 +1,29 @@
+import { Module } from '@nestjs/common';
+import { AdminController } from './admin.controller';
+import { UsersModule } from '../../domains/identity/users.module';
+import { AgentsModule } from '../../domains/agent/agents.module';
+import { WalletModule } from '../../domains/ledger/wallet.module';
+import { MatchesModule } from '../../domains/catalog/matches.module';
+import { MarketsModule } from '../../domains/odds/markets.module';
+import { SettlementModule } from '../../domains/settlement/settlement.module';
+import { CashbackModule } from '../../domains/operations/cashback/cashback.module';
+import { ContentModule } from '../../domains/operations/content/content.module';
+import { I18nModule } from '../../domains/operations/i18n/i18n.module';
+import { BetsModule } from '../../domains/betting/bets.module';
+
+@Module({
+  imports: [
+    UsersModule,
+    AgentsModule,
+    WalletModule,
+    MatchesModule,
+    MarketsModule,
+    SettlementModule,
+    CashbackModule,
+    ContentModule,
+    I18nModule,
+    BetsModule,
+  ],
+  controllers: [AdminController],
+})
+export class AdminModule {}
diff --git a/apps/api/src/agent-portal/agent-portal.controller.ts b/apps/api/src/applications/agent/agent-portal.controller.ts
similarity index 91%
rename from apps/api/src/agent-portal/agent-portal.controller.ts
rename to apps/api/src/applications/agent/agent-portal.controller.ts
index 5cf3960..fcb4622 100644
--- a/apps/api/src/agent-portal/agent-portal.controller.ts
+++ b/apps/api/src/applications/agent/agent-portal.controller.ts
@@ -8,13 +8,13 @@ import {
   UseGuards,
 } from '@nestjs/common';
 import { ApiTags, ApiBearerAuth } from '@nestjs/swagger';
-import { JwtAuthGuard, AgentGuard } from '../auth/guards';
-import { CurrentUser } from '../common/decorators';
-import { jsonResponse } from '../common/filters';
-import { AgentsService } from '../agents/agents.service';
-import { WalletService } from '../wallet/wallet.service';
-import { BetsService } from '../bets/bets.service';
-import { PrismaService } from '../prisma/prisma.service';
+import { JwtAuthGuard, AgentGuard } from '../../domains/identity/guards';
+import { CurrentUser } from '../../shared/common/decorators';
+import { jsonResponse } from '../../shared/common/filters';
+import { AgentsService } from '../../domains/agent/agents.service';
+import { WalletService } from '../../domains/ledger/wallet.service';
+import { BetsService } from '../../domains/betting/bets.service';
+import { PrismaService } from '../../shared/prisma/prisma.service';
 import { IsString, IsNumber, MinLength, IsOptional } from 'class-validator';
 
 class CreatePlayerDto {
diff --git a/apps/api/src/agent-portal/agent-portal.module.ts b/apps/api/src/applications/agent/agent-portal.module.ts
similarity index 55%
rename from apps/api/src/agent-portal/agent-portal.module.ts
rename to apps/api/src/applications/agent/agent-portal.module.ts
index 9cd7cff..324b2a0 100644
--- a/apps/api/src/agent-portal/agent-portal.module.ts
+++ b/apps/api/src/applications/agent/agent-portal.module.ts
@@ -1,8 +1,8 @@
 import { Module } from '@nestjs/common';
 import { AgentPortalController } from './agent-portal.controller';
-import { AgentsModule } from '../agents/agents.module';
-import { WalletModule } from '../wallet/wallet.module';
-import { BetsModule } from '../bets/bets.module';
+import { AgentsModule } from '../../domains/agent/agents.module';
+import { WalletModule } from '../../domains/ledger/wallet.module';
+import { BetsModule } from '../../domains/betting/bets.module';
 
 @Module({
   imports: [AgentsModule, WalletModule, BetsModule],
diff --git a/apps/api/src/player/player.controller.ts b/apps/api/src/applications/player/player.controller.ts
similarity index 87%
rename from apps/api/src/player/player.controller.ts
rename to apps/api/src/applications/player/player.controller.ts
index 812dc04..9c1312c 100644
--- a/apps/api/src/player/player.controller.ts
+++ b/apps/api/src/applications/player/player.controller.ts
@@ -8,15 +8,15 @@ import {
   UseGuards,
 } from '@nestjs/common';
 import { ApiTags, ApiBearerAuth } from '@nestjs/swagger';
-import { JwtAuthGuard, PlayerGuard } from '../auth/guards';
-import { CurrentUser } from '../common/decorators';
-import { jsonResponse } from '../common/filters';
-import { UsersService } from '../users/users.service';
-import { WalletService } from '../wallet/wallet.service';
-import { MatchesService } from '../matches/matches.service';
-import { BetsService } from '../bets/bets.service';
-import { ContentService } from '../content/content.service';
-import { CashbackService } from '../cashback/cashback.service';
+import { JwtAuthGuard, PlayerGuard } from '../../domains/identity/guards';
+import { CurrentUser } from '../../shared/common/decorators';
+import { jsonResponse } from '../../shared/common/filters';
+import { UsersService } from '../../domains/identity/users.service';
+import { WalletService } from '../../domains/ledger/wallet.service';
+import { MatchesService } from '../../domains/catalog/matches.service';
+import { BetsService } from '../../domains/betting/bets.service';
+import { ContentService } from '../../domains/operations/content/content.service';
+import { CashbackService } from '../../domains/operations/cashback/cashback.service';
 import { IsString, IsNumber, IsArray, ValidateNested, Min, IsOptional } from 'class-validator';
 import { Type } from 'class-transformer';
 
diff --git a/apps/api/src/applications/player/player.module.ts b/apps/api/src/applications/player/player.module.ts
new file mode 100644
index 0000000..0112cc8
--- /dev/null
+++ b/apps/api/src/applications/player/player.module.ts
@@ -0,0 +1,14 @@
+import { Module } from '@nestjs/common';
+import { PlayerController } from './player.controller';
+import { UsersModule } from '../../domains/identity/users.module';
+import { WalletModule } from '../../domains/ledger/wallet.module';
+import { MatchesModule } from '../../domains/catalog/matches.module';
+import { BetsModule } from '../../domains/betting/bets.module';
+import { ContentModule } from '../../domains/operations/content/content.module';
+import { CashbackModule } from '../../domains/operations/cashback/cashback.module';
+
+@Module({
+  imports: [UsersModule, WalletModule, MatchesModule, BetsModule, ContentModule, CashbackModule],
+  controllers: [PlayerController],
+})
+export class PlayerModule {}
diff --git a/apps/api/src/agents/agents.module.ts b/apps/api/src/domains/agent/agents.module.ts
similarity index 67%
rename from apps/api/src/agents/agents.module.ts
rename to apps/api/src/domains/agent/agents.module.ts
index e32382e..295c79f 100644
--- a/apps/api/src/agents/agents.module.ts
+++ b/apps/api/src/domains/agent/agents.module.ts
@@ -1,7 +1,7 @@
 import { Module } from '@nestjs/common';
 import { AgentsService } from './agents.service';
-import { WalletModule } from '../wallet/wallet.module';
-import { AuthModule } from '../auth/auth.module';
+import { WalletModule } from '../ledger/wallet.module';
+import { AuthModule } from '../identity/auth.module';
 
 @Module({
   imports: [WalletModule, AuthModule],
diff --git a/apps/api/src/agents/agents.service.ts b/apps/api/src/domains/agent/agents.service.ts
similarity index 96%
rename from apps/api/src/agents/agents.service.ts
rename to apps/api/src/domains/agent/agents.service.ts
index 1a975c4..52f9dc6 100644
--- a/apps/api/src/agents/agents.service.ts
+++ b/apps/api/src/domains/agent/agents.service.ts
@@ -1,9 +1,9 @@
 import { Injectable, BadRequestException, ForbiddenException } from '@nestjs/common';
-import { PrismaService } from '../prisma/prisma.service';
-import { WalletService } from '../wallet/wallet.service';
-import { AuthService } from '../auth/auth.service';
+import { PrismaService } from '../../shared/prisma/prisma.service';
+import { WalletService } from '../ledger/wallet.service';
+import { AuthService } from '../identity/auth.service';
 import { Decimal } from '@prisma/client/runtime/library';
-import { generateBatchNo } from '../common/decorators';
+import { generateBatchNo } from '../../shared/common/decorators';
 
 @Injectable()
 export class AgentsService {
diff --git a/apps/api/src/bets/bets.module.ts b/apps/api/src/domains/betting/bets.module.ts
similarity index 78%
rename from apps/api/src/bets/bets.module.ts
rename to apps/api/src/domains/betting/bets.module.ts
index f6166ae..25bed0c 100644
--- a/apps/api/src/bets/bets.module.ts
+++ b/apps/api/src/domains/betting/bets.module.ts
@@ -1,6 +1,6 @@
 import { Module } from '@nestjs/common';
 import { BetsService } from './bets.service';
-import { WalletModule } from '../wallet/wallet.module';
+import { WalletModule } from '../ledger/wallet.module';
 
 @Module({
   imports: [WalletModule],
diff --git a/apps/api/src/bets/bets.service.ts b/apps/api/src/domains/betting/bets.service.ts
similarity index 95%
rename from apps/api/src/bets/bets.service.ts
rename to apps/api/src/domains/betting/bets.service.ts
index d9d2b1b..d8df885 100644
--- a/apps/api/src/bets/bets.service.ts
+++ b/apps/api/src/domains/betting/bets.service.ts
@@ -1,9 +1,9 @@
 import { Injectable, BadRequestException, ConflictException } from '@nestjs/common';
-import { PrismaService } from '../prisma/prisma.service';
-import { WalletService } from '../wallet/wallet.service';
+import { PrismaService } from '../../shared/prisma/prisma.service';
+import { WalletService } from '../ledger/wallet.service';
 import { Decimal } from '@prisma/client/runtime/library';
-import { generateBetNo } from '../common/decorators';
-import { isQuarterHandicapOrTotal } from '../settlement/settlement-calculator';
+import { generateBetNo } from '../../shared/common/decorators';
+import { isQuarterHandicapOrTotal } from '../settlement/domain/settlement-calculator';
 import { PARLAY_MIN_LEGS, PARLAY_MAX_LEGS } from '@thebet365/shared';
 
 interface BetSelectionInput {
diff --git a/apps/api/src/matches/matches.module.ts b/apps/api/src/domains/catalog/matches.module.ts
similarity index 100%
rename from apps/api/src/matches/matches.module.ts
rename to apps/api/src/domains/catalog/matches.module.ts
diff --git a/apps/api/src/matches/matches.service.ts b/apps/api/src/domains/catalog/matches.service.ts
similarity index 98%
rename from apps/api/src/matches/matches.service.ts
rename to apps/api/src/domains/catalog/matches.service.ts
index 97d444c..c62bd4b 100644
--- a/apps/api/src/matches/matches.service.ts
+++ b/apps/api/src/domains/catalog/matches.service.ts
@@ -1,6 +1,6 @@
 import { Injectable, NotFoundException, BadRequestException } from '@nestjs/common';
 import { Cron, CronExpression } from '@nestjs/schedule';
-import { PrismaService } from '../prisma/prisma.service';
+import { PrismaService } from '../../shared/prisma/prisma.service';
 
 @Injectable()
 export class MatchesService {
diff --git a/apps/api/src/auth/auth.controller.ts b/apps/api/src/domains/identity/auth.controller.ts
similarity index 91%
rename from apps/api/src/auth/auth.controller.ts
rename to apps/api/src/domains/identity/auth.controller.ts
index 11665d9..e3532a2 100644
--- a/apps/api/src/auth/auth.controller.ts
+++ b/apps/api/src/domains/identity/auth.controller.ts
@@ -2,9 +2,9 @@ import { Controller, Post, Body, UseGuards } from '@nestjs/common';
 import { ApiTags, ApiBearerAuth } from '@nestjs/swagger';
 import { AuthService } from './auth.service';
 import { LoginDto, ChangePasswordDto } from './auth.dto';
-import { Public, CurrentUser } from '../common/decorators';
+import { Public, CurrentUser } from '../../shared/common/decorators';
 import { JwtAuthGuard } from './guards';
-import { jsonResponse } from '../common/filters';
+import { jsonResponse } from '../../shared/common/filters';
 
 @ApiTags('Auth')
 @Controller()
diff --git a/apps/api/src/auth/auth.dto.ts b/apps/api/src/domains/identity/auth.dto.ts
similarity index 100%
rename from apps/api/src/auth/auth.dto.ts
rename to apps/api/src/domains/identity/auth.dto.ts
diff --git a/apps/api/src/auth/auth.module.ts b/apps/api/src/domains/identity/auth.module.ts
similarity index 100%
rename from apps/api/src/auth/auth.module.ts
rename to apps/api/src/domains/identity/auth.module.ts
diff --git a/apps/api/src/auth/auth.service.ts b/apps/api/src/domains/identity/auth.service.ts
similarity index 98%
rename from apps/api/src/auth/auth.service.ts
rename to apps/api/src/domains/identity/auth.service.ts
index ef3fb18..36bae24 100644
--- a/apps/api/src/auth/auth.service.ts
+++ b/apps/api/src/domains/identity/auth.service.ts
@@ -2,7 +2,7 @@ import { Injectable, UnauthorizedException, ForbiddenException } from '@nestjs/c
 import { JwtService } from '@nestjs/jwt';
 import { ConfigService } from '@nestjs/config';
 import * as bcrypt from 'bcryptjs';
-import { PrismaService } from '../prisma/prisma.service';
+import { PrismaService } from '../../shared/prisma/prisma.service';
 
 const MAX_LOGIN_FAILS = 5;
 const LOCK_DURATION_MS = 15 * 60 * 1000;
diff --git a/apps/api/src/auth/guards.ts b/apps/api/src/domains/identity/guards.ts
similarity index 97%
rename from apps/api/src/auth/guards.ts
rename to apps/api/src/domains/identity/guards.ts
index 3f0bfa2..52287e6 100644
--- a/apps/api/src/auth/guards.ts
+++ b/apps/api/src/domains/identity/guards.ts
@@ -1,7 +1,7 @@
 import { Injectable, CanActivate, ExecutionContext, UnauthorizedException, ForbiddenException } from '@nestjs/common';
 import { Reflector } from '@nestjs/core';
 import { AuthGuard } from '@nestjs/passport';
-import { IS_PUBLIC_KEY, PERMISSIONS_KEY } from '../common/decorators';
+import { IS_PUBLIC_KEY, PERMISSIONS_KEY } from '../../shared/common/decorators';
 
 @Injectable()
 export class JwtAuthGuard extends AuthGuard('jwt') {
diff --git a/apps/api/src/domains/identity/identity.module.ts b/apps/api/src/domains/identity/identity.module.ts
new file mode 100644
index 0000000..7fbc225
--- /dev/null
+++ b/apps/api/src/domains/identity/identity.module.ts
@@ -0,0 +1,9 @@
+import { Module } from '@nestjs/common';
+import { AuthModule } from './auth.module';
+import { UsersModule } from './users.module';
+
+@Module({
+  imports: [AuthModule, UsersModule],
+  exports: [AuthModule, UsersModule],
+})
+export class IdentityModule {}
diff --git a/apps/api/src/auth/jwt.strategy.ts b/apps/api/src/domains/identity/jwt.strategy.ts
similarity index 95%
rename from apps/api/src/auth/jwt.strategy.ts
rename to apps/api/src/domains/identity/jwt.strategy.ts
index 8431d1d..deef8ca 100644
--- a/apps/api/src/auth/jwt.strategy.ts
+++ b/apps/api/src/domains/identity/jwt.strategy.ts
@@ -2,7 +2,7 @@ import { Injectable, UnauthorizedException } from '@nestjs/common';
 import { PassportStrategy } from '@nestjs/passport';
 import { ExtractJwt, Strategy } from 'passport-jwt';
 import { ConfigService } from '@nestjs/config';
-import { PrismaService } from '../prisma/prisma.service';
+import { PrismaService } from '../../shared/prisma/prisma.service';
 import { JwtPayload } from './auth.service';
 
 @Injectable()
diff --git a/apps/api/src/users/users.module.ts b/apps/api/src/domains/identity/users.module.ts
similarity index 100%
rename from apps/api/src/users/users.module.ts
rename to apps/api/src/domains/identity/users.module.ts
diff --git a/apps/api/src/users/users.service.ts b/apps/api/src/domains/identity/users.service.ts
similarity index 94%
rename from apps/api/src/users/users.service.ts
rename to apps/api/src/domains/identity/users.service.ts
index 9bd7749..c308b27 100644
--- a/apps/api/src/users/users.service.ts
+++ b/apps/api/src/domains/identity/users.service.ts
@@ -1,5 +1,5 @@
 import { Injectable } from '@nestjs/common';
-import { PrismaService } from '../prisma/prisma.service';
+import { PrismaService } from '../../shared/prisma/prisma.service';
 
 @Injectable()
 export class UsersService {
diff --git a/apps/api/src/wallet/wallet.module.ts b/apps/api/src/domains/ledger/wallet.module.ts
similarity index 100%
rename from apps/api/src/wallet/wallet.module.ts
rename to apps/api/src/domains/ledger/wallet.module.ts
diff --git a/apps/api/src/wallet/wallet.service.ts b/apps/api/src/domains/ledger/wallet.service.ts
similarity index 97%
rename from apps/api/src/wallet/wallet.service.ts
rename to apps/api/src/domains/ledger/wallet.service.ts
index 262e60a..fcccab0 100644
--- a/apps/api/src/wallet/wallet.service.ts
+++ b/apps/api/src/domains/ledger/wallet.service.ts
@@ -1,7 +1,7 @@
 import { Injectable, BadRequestException } from '@nestjs/common';
-import { PrismaService } from '../prisma/prisma.service';
+import { PrismaService } from '../../shared/prisma/prisma.service';
 import { Decimal } from '@prisma/client/runtime/library';
-import { generateTransactionId } from '../common/decorators';
+import { generateTransactionId } from '../../shared/common/decorators';
 
 @Injectable()
 export class WalletService {
diff --git a/apps/api/src/markets/markets.module.ts b/apps/api/src/domains/odds/markets.module.ts
similarity index 100%
rename from apps/api/src/markets/markets.module.ts
rename to apps/api/src/domains/odds/markets.module.ts
diff --git a/apps/api/src/markets/markets.service.ts b/apps/api/src/domains/odds/markets.service.ts
similarity index 97%
rename from apps/api/src/markets/markets.service.ts
rename to apps/api/src/domains/odds/markets.service.ts
index a6ba152..bc8bdf6 100644
--- a/apps/api/src/markets/markets.service.ts
+++ b/apps/api/src/domains/odds/markets.service.ts
@@ -1,10 +1,10 @@
 import { Injectable, BadRequestException, NotFoundException } from '@nestjs/common';
-import { PrismaService } from '../prisma/prisma.service';
+import { PrismaService } from '../../shared/prisma/prisma.service';
 import { Decimal } from '@prisma/client/runtime/library';
 import {
   FT_CORRECT_SCORE_TEMPLATE,
   HT_CORRECT_SCORE_TEMPLATE,
-} from '../settlement/settlement-calculator';
+} from '../settlement/domain/settlement-calculator';
 
 @Injectable()
 export class MarketsService {
diff --git a/apps/api/src/audit/audit.module.ts b/apps/api/src/domains/operations/audit/audit.module.ts
similarity index 100%
rename from apps/api/src/audit/audit.module.ts
rename to apps/api/src/domains/operations/audit/audit.module.ts
diff --git a/apps/api/src/audit/audit.service.ts b/apps/api/src/domains/operations/audit/audit.service.ts
similarity index 94%
rename from apps/api/src/audit/audit.service.ts
rename to apps/api/src/domains/operations/audit/audit.service.ts
index 177f468..f6081c7 100644
--- a/apps/api/src/audit/audit.service.ts
+++ b/apps/api/src/domains/operations/audit/audit.service.ts
@@ -1,5 +1,5 @@
 import { Injectable } from '@nestjs/common';
-import { PrismaService } from '../prisma/prisma.service';
+import { PrismaService } from '../../../shared/prisma/prisma.service';
 
 @Injectable()
 export class AuditService {
diff --git a/apps/api/src/cashback/cashback.module.ts b/apps/api/src/domains/operations/cashback/cashback.module.ts
similarity index 79%
rename from apps/api/src/cashback/cashback.module.ts
rename to apps/api/src/domains/operations/cashback/cashback.module.ts
index 1ae60a2..4bd4a26 100644
--- a/apps/api/src/cashback/cashback.module.ts
+++ b/apps/api/src/domains/operations/cashback/cashback.module.ts
@@ -1,6 +1,6 @@
 import { Module } from '@nestjs/common';
 import { CashbackService } from './cashback.service';
-import { WalletModule } from '../wallet/wallet.module';
+import { WalletModule } from '../../ledger/wallet.module';
 
 @Module({
   imports: [WalletModule],
diff --git a/apps/api/src/cashback/cashback.service.ts b/apps/api/src/domains/operations/cashback/cashback.service.ts
similarity index 93%
rename from apps/api/src/cashback/cashback.service.ts
rename to apps/api/src/domains/operations/cashback/cashback.service.ts
index c38b1dc..6aaacc9 100644
--- a/apps/api/src/cashback/cashback.service.ts
+++ b/apps/api/src/domains/operations/cashback/cashback.service.ts
@@ -1,8 +1,8 @@
 import { Injectable, BadRequestException } from '@nestjs/common';
-import { PrismaService } from '../prisma/prisma.service';
-import { WalletService } from '../wallet/wallet.service';
+import { PrismaService } from '../../../shared/prisma/prisma.service';
+import { WalletService } from '../../ledger/wallet.service';
 import { Decimal } from '@prisma/client/runtime/library';
-import { generateBatchNo } from '../common/decorators';
+import { generateBatchNo } from '../../../shared/common/decorators';
 
 @Injectable()
 export class CashbackService {
diff --git a/apps/api/src/content/content.module.ts b/apps/api/src/domains/operations/content/content.module.ts
similarity index 100%
rename from apps/api/src/content/content.module.ts
rename to apps/api/src/domains/operations/content/content.module.ts
diff --git a/apps/api/src/content/content.service.ts b/apps/api/src/domains/operations/content/content.service.ts
similarity index 95%
rename from apps/api/src/content/content.service.ts
rename to apps/api/src/domains/operations/content/content.service.ts
index 2398283..a175b30 100644
--- a/apps/api/src/content/content.service.ts
+++ b/apps/api/src/domains/operations/content/content.service.ts
@@ -1,5 +1,5 @@
 import { Injectable } from '@nestjs/common';
-import { PrismaService } from '../prisma/prisma.service';
+import { PrismaService } from '../../../shared/prisma/prisma.service';
 
 @Injectable()
 export class ContentService {
diff --git a/apps/api/src/i18n/i18n.module.ts b/apps/api/src/domains/operations/i18n/i18n.module.ts
similarity index 100%
rename from apps/api/src/i18n/i18n.module.ts
rename to apps/api/src/domains/operations/i18n/i18n.module.ts
diff --git a/apps/api/src/i18n/i18n.service.ts b/apps/api/src/domains/operations/i18n/i18n.service.ts
similarity index 95%
rename from apps/api/src/i18n/i18n.service.ts
rename to apps/api/src/domains/operations/i18n/i18n.service.ts
index b2f980a..fae834a 100644
--- a/apps/api/src/i18n/i18n.service.ts
+++ b/apps/api/src/domains/operations/i18n/i18n.service.ts
@@ -1,5 +1,5 @@
 import { Injectable } from '@nestjs/common';
-import { PrismaService } from '../prisma/prisma.service';
+import { PrismaService } from '../../../shared/prisma/prisma.service';
 import { DEFAULT_LOCALE } from '@thebet365/shared';
 
 const FALLBACK_ORDER = ['en-US', 'zh-CN', 'ms-MY'];
diff --git a/apps/api/src/domains/operations/operations.module.ts b/apps/api/src/domains/operations/operations.module.ts
new file mode 100644
index 0000000..e007d4a
--- /dev/null
+++ b/apps/api/src/domains/operations/operations.module.ts
@@ -0,0 +1,11 @@
+import { Module } from '@nestjs/common';
+import { AuditModule } from './audit/audit.module';
+import { CashbackModule } from './cashback/cashback.module';
+import { ContentModule } from './content/content.module';
+import { I18nModule } from './i18n/i18n.module';
+
+@Module({
+  imports: [AuditModule, CashbackModule, ContentModule, I18nModule],
+  exports: [AuditModule, CashbackModule, ContentModule, I18nModule],
+})
+export class OperationsModule {}
diff --git a/apps/api/src/settlement/settlement-calculator.spec.ts b/apps/api/src/domains/settlement/domain/settlement-calculator.spec.ts
similarity index 100%
rename from apps/api/src/settlement/settlement-calculator.spec.ts
rename to apps/api/src/domains/settlement/domain/settlement-calculator.spec.ts
diff --git a/apps/api/src/settlement/settlement-calculator.ts b/apps/api/src/domains/settlement/domain/settlement-calculator.ts
similarity index 100%
rename from apps/api/src/settlement/settlement-calculator.ts
rename to apps/api/src/domains/settlement/domain/settlement-calculator.ts
diff --git a/apps/api/src/settlement/settlement.module.ts b/apps/api/src/domains/settlement/settlement.module.ts
similarity index 69%
rename from apps/api/src/settlement/settlement.module.ts
rename to apps/api/src/domains/settlement/settlement.module.ts
index d8be42a..2103413 100644
--- a/apps/api/src/settlement/settlement.module.ts
+++ b/apps/api/src/domains/settlement/settlement.module.ts
@@ -1,7 +1,7 @@
 import { Module } from '@nestjs/common';
 import { SettlementService } from './settlement.service';
-import { WalletModule } from '../wallet/wallet.module';
-import { AgentsModule } from '../agents/agents.module';
+import { WalletModule } from '../ledger/wallet.module';
+import { AgentsModule } from '../agent/agents.module';
 
 @Module({
   imports: [WalletModule, AgentsModule],
diff --git a/apps/api/src/settlement/settlement.service.ts b/apps/api/src/domains/settlement/settlement.service.ts
similarity index 97%
rename from apps/api/src/settlement/settlement.service.ts
rename to apps/api/src/domains/settlement/settlement.service.ts
index 3ab13d2..7213e1e 100644
--- a/apps/api/src/settlement/settlement.service.ts
+++ b/apps/api/src/domains/settlement/settlement.service.ts
@@ -1,9 +1,9 @@
 import { Injectable, BadRequestException, NotFoundException } from '@nestjs/common';
-import { PrismaService } from '../prisma/prisma.service';
-import { WalletService } from '../wallet/wallet.service';
-import { AgentsService } from '../agents/agents.service';
+import { PrismaService } from '../../shared/prisma/prisma.service';
+import { WalletService } from '../ledger/wallet.service';
+import { AgentsService } from '../agent/agents.service';
 import { Decimal } from '@prisma/client/runtime/library';
-import { generateBatchNo } from '../common/decorators';
+import { generateBatchNo } from '../../shared/common/decorators';
 import {
   settleSelection,
   calculatePayout,
@@ -11,7 +11,7 @@ import {
   ScoreInput,
   FT_CORRECT_SCORE_TEMPLATE,
   HT_CORRECT_SCORE_TEMPLATE,
-} from './settlement-calculator';
+} from './domain/settlement-calculator';
 
 @Injectable()
 export class SettlementService {
diff --git a/apps/api/src/integration.spec.ts b/apps/api/src/integration.spec.ts
index e00f0f4..11f693b 100644
--- a/apps/api/src/integration.spec.ts
+++ b/apps/api/src/integration.spec.ts
@@ -2,7 +2,7 @@ import {
   settleSelection,
   calculatePayout,
   isQuarterHandicapOrTotal,
-} from './settlement/settlement-calculator';
+} from './domains/settlement/domain/settlement-calculator';
 
 /**
  * Agent credit & wallet integration scenarios (A001-A007)
diff --git a/apps/api/src/player/player.module.ts b/apps/api/src/player/player.module.ts
deleted file mode 100644
index 9cb8f27..0000000
--- a/apps/api/src/player/player.module.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-import { Module } from '@nestjs/common';
-import { PlayerController } from './player.controller';
-import { UsersModule } from '../users/users.module';
-import { WalletModule } from '../wallet/wallet.module';
-import { MatchesModule } from '../matches/matches.module';
-import { BetsModule } from '../bets/bets.module';
-import { ContentModule } from '../content/content.module';
-import { CashbackModule } from '../cashback/cashback.module';
-
-@Module({
-  imports: [UsersModule, WalletModule, MatchesModule, BetsModule, ContentModule, CashbackModule],
-  controllers: [PlayerController],
-})
-export class PlayerModule {}
diff --git a/apps/api/src/common/decorators.ts b/apps/api/src/shared/common/decorators.ts
similarity index 100%
rename from apps/api/src/common/decorators.ts
rename to apps/api/src/shared/common/decorators.ts
diff --git a/apps/api/src/common/filters.ts b/apps/api/src/shared/common/filters.ts
similarity index 100%
rename from apps/api/src/common/filters.ts
rename to apps/api/src/shared/common/filters.ts
diff --git a/apps/api/src/prisma/prisma.module.ts b/apps/api/src/shared/prisma/prisma.module.ts
similarity index 100%
rename from apps/api/src/prisma/prisma.module.ts
rename to apps/api/src/shared/prisma/prisma.module.ts
diff --git a/apps/api/src/prisma/prisma.service.ts b/apps/api/src/shared/prisma/prisma.service.ts
similarity index 100%
rename from apps/api/src/prisma/prisma.service.ts
rename to apps/api/src/shared/prisma/prisma.service.ts