fix: use typed context key instead of string literal- Add UserContextKey constant to types package- Replace bare string 'user' with types.UserContextKey in auth middleware- Update user service to use UserContextKey for context value retrieval- Fixes staticcheck SA1029 warningThis prevents potential context key collisions.

Author: Shio0909

internal/application/service/user.go

@@ -419,7 +419,7 @@ func (s *userService) RevokeToken(ctx context.Context, tokenString string) error
 
 // GetCurrentUser gets current user from context
 func (s *userService) GetCurrentUser(ctx context.Context) (*types.User, error) {
-	user, ok := ctx.Value("user").(*types.User)
+	user, ok := ctx.Value(types.UserContextKey).(*types.User)
 	if !ok {
 		return nil, errors.New("user not found in context")
 	}

internal/middleware/auth.go

@@ -130,14 +130,14 @@ func Auth(
 				// 存储用户和租户信息到上下文
 				c.Set(types.TenantIDContextKey.String(), targetTenantID)
 				c.Set(types.TenantInfoContextKey.String(), tenant)
-				c.Set("user", user)
+				c.Set(types.UserContextKey.String(), user)
 				c.Request = c.Request.WithContext(
 					context.WithValue(
 						context.WithValue(
 							context.WithValue(c.Request.Context(), types.TenantIDContextKey, targetTenantID),
 							types.TenantInfoContextKey, tenant,
 						),
-						"user", user,
+						types.UserContextKey, user,
 					),
 				)
 				c.Next()

internal/types/const.go

@@ -12,6 +12,8 @@ const (
 	RequestIDContextKey ContextKey = "RequestID"
 	// LoggerContextKey is the context key for logger
 	LoggerContextKey ContextKey = "Logger"
+	// UserContextKey is the context key for user information
+	UserContextKey ContextKey = "User"
 )
 
 // String returns the string representation of the context key