refactor: 清理重构遗留的死代码

- personal_customer.Service: 删除已迁移到 client_auth 的死方法
  (GetProfile/SendVerificationCode/VerifyCode)，移除多余的
  verificationService/jwtManager 依赖
- 删除 internal/service/customer/ 整个目录（零引用的早期残留）

internal/service/personal_customer/service.go

@@ -1,14 +1,11 @@
-// Package personal_customer 提供个人客户管理的业务逻辑服务
-// 包含个人客户注册、登录、微信绑定、短信验证等功能
+// Package personal_customer 提供个人客户资料管理的业务逻辑服务
 package personal_customer
 
 import (
 	"context"
 
 	"github.com/break/junhong_cmp_fiber/internal/model"
-	"github.com/break/junhong_cmp_fiber/internal/service/verification"
 	"github.com/break/junhong_cmp_fiber/internal/store/postgres"
-	"github.com/break/junhong_cmp_fiber/pkg/auth"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
 	"go.uber.org/zap"
 	"gorm.io/gorm"
@@ -16,40 +13,24 @@ import (
 
 // Service 个人客户服务
 type Service struct {
-	store               *postgres.PersonalCustomerStore
-	phoneStore          *postgres.PersonalCustomerPhoneStore
-	verificationService *verification.Service
-	jwtManager          *auth.JWTManager
-	logger              *zap.Logger
+	store      *postgres.PersonalCustomerStore
+	phoneStore *postgres.PersonalCustomerPhoneStore
+	logger     *zap.Logger
 }
 
 // NewService 创建个人客户服务实例
 func NewService(
 	store *postgres.PersonalCustomerStore,
 	phoneStore *postgres.PersonalCustomerPhoneStore,
-	verificationService *verification.Service,
-	jwtManager *auth.JWTManager,
 	logger *zap.Logger,
 ) *Service {
 	return &Service{
-		store:               store,
-		phoneStore:          phoneStore,
-		verificationService: verificationService,
-		jwtManager:          jwtManager,
-		logger:              logger,
+		store:      store,
+		phoneStore: phoneStore,
+		logger:     logger,
 	}
 }
 
-// SendVerificationCode 发送验证码
-func (s *Service) SendVerificationCode(ctx context.Context, phone string) error {
-	return s.verificationService.SendCode(ctx, phone)
-}
-
-// VerifyCode 验证验证码
-func (s *Service) VerifyCode(ctx context.Context, phone string, code string) error {
-	return s.verificationService.VerifyCode(ctx, phone, code)
-}
-
 // UpdateProfile 更新个人资料
 func (s *Service) UpdateProfile(ctx context.Context, customerID uint, nickname, avatarURL string) error {
 	customer, err := s.store.GetByID(ctx, customerID)
@@ -84,20 +65,6 @@ func (s *Service) UpdateProfile(ctx context.Context, customerID uint, nickname,
 	return nil
 }
 
-// GetProfile 获取个人资料
-func (s *Service) GetProfile(ctx context.Context, customerID uint) (*model.PersonalCustomer, error) {
-	customer, err := s.store.GetByID(ctx, customerID)
-	if err != nil {
-		s.logger.Error("查询个人客户失败",
-			zap.Uint("customer_id", customerID),
-			zap.Error(err),
-		)
-		return nil, errors.Wrap(errors.CodeInternalError, err, "查询个人客户失败")
-	}
-
-	return customer, nil
-}
-
 // GetProfileWithPhone 获取个人资料（包含主手机号）
 func (s *Service) GetProfileWithPhone(ctx context.Context, customerID uint) (*model.PersonalCustomer, string, error) {
 	// 获取客户信息