修复：为 user-svc 添加健康检查和启动顺序控制

backend/services/user-svc/internal/repository/repo.go

@@ -2,10 +2,9 @@ package repository
 
 import (
 	"database/sql"
-	"time"
 
-	"backend/services/user-svc/internal/domain"
-	"backend/shared/pkg/errors"
+	"user-svc/internal/domain"
+	"shared/pkg/errors"
 
 	"github.com/google/uuid"
 	"golang.org/x/crypto/bcrypt"
@@ -41,7 +40,11 @@ func (r *UserRepository) Register(req *domain.RegisterRequest) (*domain.Register
 	}
 
 	// 创建用户
-	userID := uuid.NewV7()
+	userID, err := uuid.NewV7()
+	if err != nil {
+		tx.Rollback()
+		return nil, errors.WrapError(err, "failed to generate user ID")
+	}
 
 	userQuery := "INSERT INTO user_main (id, deleted) VALUES ($1, $2)"
 	if _, err := tx.Exec(userQuery, userID, false); err != nil {
@@ -50,7 +53,11 @@ func (r *UserRepository) Register(req *domain.RegisterRequest) (*domain.Register
 	}
 
 	// 创建登录账号
-	accountID := uuid.NewV7()
+	accountID, err := uuid.NewV7()
+	if err != nil {
+		tx.Rollback()
+		return nil, errors.WrapError(err, "failed to generate account ID")
+	}
 	accountQuery := "INSERT INTO user_login_account (id, user_id, account, deleted) VALUES ($1, $2, $3, $4)"
 	if _, err := tx.Exec(accountQuery, accountID, userID, req.Account, false); err != nil {
 		tx.Rollback()
@@ -65,7 +72,11 @@ func (r *UserRepository) Register(req *domain.RegisterRequest) (*domain.Register
 	}
 
 	// 创建密码记录
-	passwordID := uuid.NewV7()
+	passwordID, err := uuid.NewV7()
+	if err != nil {
+		tx.Rollback()
+		return nil, errors.WrapError(err, "failed to generate password ID")
+	}
 	passwordQuery := "INSERT INTO user_login_password (id, user_id, password, deleted) VALUES ($1, $2, $3, $4)"
 	if _, err := tx.Exec(passwordQuery, passwordID, userID, string(hashedPassword), false); err != nil {
 		tx.Rollback()