senlinai/agent
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat: align controlled AI sessions and MVP controls

Browse Source
This commit is contained in:
yanweidong
2026-07-21 19:19:36 +08:00
parent 8767446b78
commit 122f5d8c52
18 changed files with 758 additions and 468 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
backend/internal/logic/ai/gateway.go
View File

@@ -10,6 +10,7 @@ import (
"io"
"time"
"gorm.io/gorm"
"gorm.io/gorm/clause"
"senlinai-agent/backend/internal/models"
)
@@ -25,6 +26,11 @@ type SelectedKey struct {
KeyType string
}
var (
ErrAIKeyMissing = errors.New("no ai key available")
ErrAIRateLimited = errors.New("ai rate limit exceeded")
)
func NewGateway(systemKey string) *Gateway {
return NewGatewayWithSecret(systemKey, "development-ai-key-secret-change-me")
}
@@ -47,15 +53,19 @@ func (g *Gateway) SaveUserKey(userID uint, provider string, apiKey string) error
func (g *Gateway) SelectKey(userID uint) (SelectedKey, error) {
var userKey models.SenlinAgentAIKey
if err := models.DBService.Where("user_id = ?", userID).First(&userKey).Error; err == nil {
err := models.DBService.Where("user_id = ?", userID).First(&userKey).Error
if err == nil {
apiKey, err := decryptAPIKey(userKey.EncryptedAPIKey, g.encryptionSecret)
if err != nil {
return SelectedKey{}, err
}
return SelectedKey{Provider: userKey.Provider, APIKey: apiKey, KeyType: "user"}, nil
}
if !errors.Is(err, gorm.ErrRecordNotFound) {
return SelectedKey{}, err
}
if g.systemKey == "" {
return SelectedKey{}, errors.New("no ai key available")
return SelectedKey{}, ErrAIKeyMissing
}
return SelectedKey{Provider: "openai", APIKey: g.systemKey, KeyType: "system"}, nil
}
@@ -82,7 +92,7 @@ func (g *Gateway) CheckRateLimit(userID uint, action string, limit int, window t
return err
}
if count >= int64(limit) {
return errors.New("ai rate limit exceeded")
return ErrAIRateLimited
}
return nil
}

18
backend/internal/logic/ai/gateway_test.go
View File

@@ -8,6 +8,7 @@ import (
"github.com/glebarez/sqlite"
"github.com/stretchr/testify/require"
"gorm.io/gorm"
"gorm.io/gorm/logger"
"senlinai-agent/backend/internal/models"
)
@@ -85,20 +86,25 @@ func TestCheckRateLimitRejectsCallsOverWindow(t *testing.T) {
}
func TestCreateAISession(t *testing.T) {
newTestDB(t)
service := NewSessionService()
database := newTestDB(t)
user := models.SenlinAgentUser{Email: "session@example.com", DisplayName: "Session User", PasswordHash: "hash"}
require.NoError(t, database.Create(&user).Error)
project := models.SenlinAgentProject{OwnerID: user.ID, Name: "Session Project", Identifier: "SESSION"}
require.NoError(t, database.Create(&project).Error)
service := NewSessionService(NewGateway("system-key"))
session, err := service.Create(7, 3, "报价分析")
session, err := service.Create(user.ID, project.Identity, "报价分析", "询价上下文")
require.NoError(t, err)
require.Equal(t, uint(7), session.ProjectID)
require.Equal(t, uint(3), session.CreatedBy)
require.Equal(t, project.ID, session.ProjectID)
require.Equal(t, user.ID, session.CreatedBy)
require.Equal(t, "报价分析", session.Title)
require.Equal(t, "ready", session.Status)
}
func newTestDB(t *testing.T) *gorm.DB {
t.Helper()
database, err := gorm.Open(sqlite.Open(fmt.Sprintf("file:%s?mode=memory&cache=shared", t.Name())), &gorm.Config{})
database, err := gorm.Open(sqlite.Open(fmt.Sprintf("file:%s?mode=memory&cache=shared", t.Name())), &gorm.Config{Logger: logger.Default.LogMode(logger.Silent)})
require.NoError(t, err)
require.NoError(t, models.AutoMigrate(database))
models.DBService = database

120
backend/internal/logic/ai/handlers.go Normal file
View File

@@ -0,0 +1,120 @@
package ai
import (
"errors"
"log"
"net/http"
"time"
"github.com/gin-gonic/gin"
"gorm.io/gorm"
"senlinai-agent/backend/internal/httpx"
"senlinai-agent/backend/internal/logic/auth"
"senlinai-agent/backend/internal/models"
)
// SessionDTO 是普通项目 AI 会话的公开契约，不携带数据库主键或自动创建对象的 ID。
type SessionDTO struct {
ID string `json:"id"`
ProjectID string `json:"projectId"`
Title string `json:"title"`
Context string `json:"context"`
Status string `json:"status"`
CreatedAt time.Time `json:"createdAt"`
UpdatedAt time.Time `json:"updatedAt"`
}
type createSessionRequest struct {
Title string `json:"title"`
Context string `json:"context"`
}
// Handler 注册受认证、受项目所有权保护的 AI 会话接口。
type Handler struct {
service *SessionService
}
func NewHandler(service *SessionService) *Handler {
return &Handler{service: service}
}
func (h *Handler) Register(router gin.IRouter) {
router.GET("/projects/:projectId/ai-sessions", h.list)
router.POST("/projects/:projectId/ai-sessions", h.create)
}
func (h *Handler) list(c *gin.Context) {
userID, projectIdentity, ok := aiRequestContext(c)
if !ok {
return
}
sessions, err := h.service.List(userID, projectIdentity)
if err != nil {
writeAIError(c, err)
return
}
items := make([]SessionDTO, 0, len(sessions))
for _, session := range sessions {
items = append(items, sessionDTO(session))
}
c.JSON(http.StatusOK, items)
}
func (h *Handler) create(c *gin.Context) {
userID, projectIdentity, ok := aiRequestContext(c)
if !ok {
return
}
var input createSessionRequest
if err := c.ShouldBindJSON(&input); err != nil {
httpx.Error(c, http.StatusBadRequest, "invalid_request", "请求参数无效")
return
}
session, err := h.service.Create(userID, projectIdentity, input.Title, input.Context)
if err != nil {
writeAIError(c, err)
return
}
c.JSON(http.StatusCreated, sessionDTO(*session))
}
func aiRequestContext(c *gin.Context) (uint, string, bool) {
userID, ok := auth.CurrentUserID(c)
if !ok {
httpx.Error(c, http.StatusUnauthorized, "unauthorized", "未登录或登录已失效")
return 0, "", false
}
projectIdentity, ok := httpx.IdentityParam(c, "projectId")
if !ok {
return 0, "", false
}
return userID, projectIdentity, true
}
func sessionDTO(session models.SenlinAgentAISession) SessionDTO {
return SessionDTO{
ID: session.Identity,
ProjectID: session.ProjectIdentity,
Title: session.Title,
Context: session.Context,
Status: aiSessionStatus(session),
CreatedAt: session.CreatedAt.UTC(),
UpdatedAt: session.UpdatedAt.UTC(),
}
}
func writeAIError(c *gin.Context, err error) {
switch {
case errors.Is(err, gorm.ErrRecordNotFound):
httpx.Error(c, http.StatusNotFound, "not_found", "项目不存在或无权访问")
case errors.Is(err, ErrInvalidSession):
httpx.Error(c, http.StatusBadRequest, "invalid_request", "请输入 AI 会话标题")
case errors.Is(err, ErrAIRateLimited):
httpx.Error(c, http.StatusTooManyRequests, "ai_rate_limited", "AI 请求过于频繁，请稍后重试")
case errors.Is(err, ErrAIKeyMissing):
httpx.Error(c, http.StatusServiceUnavailable, "ai_key_missing", "尚未配置可用的 AI 密钥")
default:
log.Printf("ai session request failed: %v", err)
httpx.Error(c, http.StatusInternalServerError, "internal_error", "AI 会话操作失败，请稍后重试")
}
}

278
backend/internal/logic/ai/handlers_test.go Normal file
View File

@@ -0,0 +1,278 @@
package ai
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"testing"
"time"
"github.com/glebarez/sqlite"
"github.com/google/uuid"
"github.com/stretchr/testify/require"
"gorm.io/gorm"
"gorm.io/gorm/logger"
"senlinai-agent/backend/internal/config"
"senlinai-agent/backend/internal/httpx"
"senlinai-agent/backend/internal/models"
)
func TestAISessionHandlersRequireOwnedProject(t *testing.T) {
database := newAIHandlerTestDB(t)
owner := createAIHandlerUser(t, database, "owner@example.com")
intruder := createAIHandlerUser(t, database, "intruder@example.com")
project := createAIHandlerProject(t, database, owner.ID, "PRIVATE")
gateway := &recordingSessionGateway{}
router := aiHandlerTestRouter(intruder.ID, gateway)
for _, request := range []*http.Request{
authenticatedAIRequest(t, http.MethodGet, "/api/v1/projects/"+project.Identity+"/ai-sessions", nil),
authenticatedAIRequest(t, http.MethodPost, "/api/v1/projects/"+project.Identity+"/ai-sessions", map[string]any{
"title": "越权会话", "context": "不得创建",
}),
} {
recorder := httptest.NewRecorder()
router.ServeHTTP(recorder, request)
require.Equal(t, http.StatusNotFound, recorder.Code)
var payload httpx.ErrorEnvelope
require.NoError(t, json.Unmarshal(recorder.Body.Bytes(), &payload))
require.Equal(t, "not_found", payload.Error.Code)
require.Equal(t, "项目不存在或无权访问", payload.Error.Message)
}
var count int64
require.NoError(t, database.Model(&models.SenlinAgentAISession{}).Count(&count).Error)
require.Zero(t, count)
require.Empty(t, gateway.steps)
}
func TestCreateAISessionChecksRateLimitBeforeSelectingProvider(t *testing.T) {
database := newAIHandlerTestDB(t)
owner := createAIHandlerUser(t, database, "owner@example.com")
project := createAIHandlerProject(t, database, owner.ID, "RATE")
gateway := &recordingSessionGateway{
selected: SelectedKey{Provider: "openai", APIKey: "system-key", KeyType: "system"},
}
router := aiHandlerTestRouter(owner.ID, gateway)
recorder := httptest.NewRecorder()
router.ServeHTTP(recorder, authenticatedAIRequest(t, http.MethodPost, "/api/v1/projects/"+project.Identity+"/ai-sessions", map[string]any{
"title": "限流顺序", "context": "只创建受控会话",
}))
require.Equal(t, http.StatusCreated, recorder.Code)
require.Equal(t, []string{"rate", "select", "record"}, gateway.steps)
}
func TestCreateAISessionReturnsRateLimitBeforeMissingKeyAndAuditsFailure(t *testing.T) {
database := newAIHandlerTestDB(t)
owner := createAIHandlerUser(t, database, "owner@example.com")
project := createAIHandlerProject(t, database, owner.ID, "LIMITED")
gateway := NewGatewayWithSecret("", "test-encryption-secret")
for range aiSessionCreateLimit {
require.NoError(t, gateway.RecordCall(owner.ID, "openai", "system", "ai_session_create", "ready", ""))
}
router := aiHandlerTestRouter(owner.ID, gateway)
recorder := httptest.NewRecorder()
router.ServeHTTP(recorder, authenticatedAIRequest(t, http.MethodPost, "/api/v1/projects/"+project.Identity+"/ai-sessions", map[string]any{
"title": "超过限额", "context": "必须先返回限流",
}))
require.Equal(t, http.StatusTooManyRequests, recorder.Code)
var payload httpx.ErrorEnvelope
require.NoError(t, json.Unmarshal(recorder.Body.Bytes(), &payload))
require.Equal(t, "ai_rate_limited", payload.Error.Code)
require.Equal(t, "AI 请求过于频繁，请稍后重试", payload.Error.Message)
var latest models.SenlinAgentAICallLog
require.NoError(t, database.Order("id desc").First(&latest).Error)
require.Equal(t, "none", latest.Provider)
require.Equal(t, "none", latest.UsedKeyType)
require.Equal(t, "ai_session_create", latest.Action)
require.Equal(t, "failed", latest.Status)
require.Equal(t, "ai_rate_limited", latest.Error)
}
func TestCreateAISessionWithoutKeyReturnsAuditedErrorAndCreatesNoFormalObjects(t *testing.T) {
database := newAIHandlerTestDB(t)
owner := createAIHandlerUser(t, database, "owner@example.com")
project := createAIHandlerProject(t, database, owner.ID, "NO_KEY")
router := aiHandlerTestRouter(owner.ID, NewGatewayWithSecret("", "test-encryption-secret"))
recorder := httptest.NewRecorder()
router.ServeHTTP(recorder, authenticatedAIRequest(t, http.MethodPost, "/api/v1/projects/"+project.Identity+"/ai-sessions", map[string]any{
"title": "缺少密钥", "context": "不得伪装为已完成",
}))
require.Equal(t, http.StatusServiceUnavailable, recorder.Code)
var payload httpx.ErrorEnvelope
require.NoError(t, json.Unmarshal(recorder.Body.Bytes(), &payload))
require.Equal(t, "ai_key_missing", payload.Error.Code)
require.Equal(t, "尚未配置可用的 AI 密钥", payload.Error.Message)
for _, model := range []any{
&models.SenlinAgentAISession{},
&models.SenlinAgentTask{},
&models.SenlinAgentNote{},
&models.SenlinAgentSource{},
} {
var count int64
require.NoError(t, database.Model(model).Count(&count).Error)
require.Zero(t, count)
}
var call models.SenlinAgentAICallLog
require.NoError(t, database.First(&call).Error)
require.Equal(t, owner.ID, call.UserID)
require.Equal(t, "none", call.Provider)
require.Equal(t, "none", call.UsedKeyType)
require.Equal(t, "ai_session_create", call.Action)
require.Equal(t, "failed", call.Status)
require.Equal(t, "ai_key_missing", call.Error)
}
func TestCreateAISessionReturnsIdentityDTOAndCompleteAuditWithoutAutomaticObjectIDs(t *testing.T) {
database := newAIHandlerTestDB(t)
owner := createAIHandlerUser(t, database, "owner@example.com")
project := createAIHandlerProject(t, database, owner.ID, "CREATE")
router := aiHandlerTestRouter(owner.ID, NewGatewayWithSecret("system-key", "test-encryption-secret"))
recorder := httptest.NewRecorder()
router.ServeHTTP(recorder, authenticatedAIRequest(t, http.MethodPost, "/api/v1/projects/"+project.Identity+"/ai-sessions", map[string]any{
"title": "报价分析", "context": "仅整理会话上下文",
}))
require.Equal(t, http.StatusCreated, recorder.Code)
var payload map[string]any
require.NoError(t, json.Unmarshal(recorder.Body.Bytes(), &payload))
require.ElementsMatch(t, []string{"id", "projectId", "title", "context", "status", "createdAt", "updatedAt"}, aiMapKeys(payload))
identity, err := uuid.Parse(payload["id"].(string))
require.NoError(t, err)
require.Equal(t, uuid.Version(7), identity.Version())
require.Equal(t, project.Identity, payload["projectId"])
require.Equal(t, "报价分析", payload["title"])
require.Equal(t, "仅整理会话上下文", payload["context"])
require.Equal(t, "ready", payload["status"])
for _, forbidden := range []string{"taskId", "noteId", "sourceId", "createdTaskId", "createdNoteId", "createdSourceId"} {
require.NotContains(t, payload, forbidden)
}
var call models.SenlinAgentAICallLog
require.NoError(t, database.First(&call).Error)
require.Equal(t, "openai", call.Provider)
require.Equal(t, "system", call.UsedKeyType)
require.Equal(t, "ai_session_create", call.Action)
require.Equal(t, "ready", call.Status)
require.Empty(t, call.Error)
for _, model := range []any{&models.SenlinAgentTask{}, &models.SenlinAgentNote{}, &models.SenlinAgentSource{}} {
var count int64
require.NoError(t, database.Model(model).Count(&count).Error)
require.Zero(t, count)
}
}
func TestListAISessionsReturnsOnlyOwnedProjectIdentityDTOs(t *testing.T) {
database := newAIHandlerTestDB(t)
owner := createAIHandlerUser(t, database, "owner@example.com")
project := createAIHandlerProject(t, database, owner.ID, "LIST")
otherProject := createAIHandlerProject(t, database, owner.ID, "OTHER")
require.NoError(t, database.Create(&models.SenlinAgentAISession{
ProjectID: project.ID, CreatedBy: owner.ID, Title: "目标会话", Context: "项目上下文",
}).Error)
require.NoError(t, database.Create(&models.SenlinAgentAISession{
ProjectID: otherProject.ID, CreatedBy: owner.ID, Title: "其他会话", Context: "不得混入",
}).Error)
router := aiHandlerTestRouter(owner.ID, &recordingSessionGateway{})
recorder := httptest.NewRecorder()
router.ServeHTTP(recorder, authenticatedAIRequest(t, http.MethodGet, "/api/v1/projects/"+project.Identity+"/ai-sessions", nil))
require.Equal(t, http.StatusOK, recorder.Code)
var payload []map[string]any
require.NoError(t, json.Unmarshal(recorder.Body.Bytes(), &payload))
require.Len(t, payload, 1)
require.ElementsMatch(t, []string{"id", "projectId", "title", "context", "status", "createdAt", "updatedAt"}, aiMapKeys(payload[0]))
require.Equal(t, project.Identity, payload[0]["projectId"])
require.Equal(t, "目标会话", payload[0]["title"])
require.Equal(t, "ready", payload[0]["status"])
}
type recordingSessionGateway struct {
steps []string
selected SelectedKey
rateErr error
selectErr error
}
func (g *recordingSessionGateway) CheckRateLimit(uint, string, int, time.Duration) error {
g.steps = append(g.steps, "rate")
return g.rateErr
}
func (g *recordingSessionGateway) SelectKey(uint) (SelectedKey, error) {
g.steps = append(g.steps, "select")
return g.selected, g.selectErr
}
func (g *recordingSessionGateway) RecordCall(uint, string, string, string, string, string) error {
g.steps = append(g.steps, "record")
return nil
}
func newAIHandlerTestDB(t *testing.T) *gorm.DB {
t.Helper()
database, err := gorm.Open(sqlite.Open(fmt.Sprintf("file:%s?mode=memory&cache=shared", t.Name())), &gorm.Config{Logger: logger.Default.LogMode(logger.Silent)})
require.NoError(t, err)
require.NoError(t, models.AutoMigrate(database))
models.DBService = database
return database
}
func createAIHandlerUser(t *testing.T, database *gorm.DB, email string) models.SenlinAgentUser {
t.Helper()
user := models.SenlinAgentUser{Email: email, DisplayName: email, PasswordHash: "hash"}
require.NoError(t, database.Create(&user).Error)
return user
}
func createAIHandlerProject(t *testing.T, database *gorm.DB, ownerID uint, identifier string) models.SenlinAgentProject {
t.Helper()
project := models.SenlinAgentProject{OwnerID: ownerID, Name: identifier, Identifier: identifier}
require.NoError(t, database.Create(&project).Error)
return project
}
func aiHandlerTestRouter(userID uint, gateway sessionGateway) http.Handler {
return httpx.NewProtectedRouter(
config.Config{Env: "test"},
func(string) (uint, error) { return userID, nil },
NewHandler(NewSessionService(gateway)),
)
}
func authenticatedAIRequest(t *testing.T, method, path string, body any) *http.Request {
t.Helper()
var requestBody *bytes.Reader
if body == nil {
requestBody = bytes.NewReader(nil)
} else {
encoded, err := json.Marshal(body)
require.NoError(t, err)
requestBody = bytes.NewReader(encoded)
}
request := httptest.NewRequest(method, path, requestBody)
request.Header.Set("Authorization", "Bearer test-token")
if body != nil {
request.Header.Set("Content-Type", "application/json")
}
return request
}
func aiMapKeys(values map[string]any) []string {
keys := make([]string, 0, len(values))
for key := range values {
keys = append(keys, key)
}
return keys
}

111
backend/internal/logic/ai/sessions.go
View File

@@ -2,23 +2,118 @@ package ai
import (
"errors"
"fmt"
"strings"
"time"
"senlinai-agent/backend/internal/logic/projects"
"senlinai-agent/backend/internal/models"
)
const (
aiSessionCreateAction = "ai_session_create"
aiSessionCreateLimit = 20
defaultSessionStatus = "ready"
)
var (
ErrInvalidSession = errors.New("invalid ai session")
)
type sessionGateway interface {
CheckRateLimit(userID uint, action string, limit int, window time.Duration) error
SelectKey(userID uint) (SelectedKey, error)
RecordCall(userID uint, provider string, usedKeyType string, action string, status string, errText string) error
}
// SessionService 只管理项目内普通 AI 会话；它不会把上下文自动转换为任务、笔记或资料。
type SessionService struct {
gateway sessionGateway
}
func NewSessionService() *SessionService {
return &SessionService{}
func NewSessionService(gateway sessionGateway) *SessionService {
return &SessionService{gateway: gateway}
}
func (s *SessionService) Create(projectID uint, userID uint, title string) (*models.SenlinAgentAISession, error) {
title = strings.TrimSpace(title)
if title == "" {
return nil, errors.New("session title is required")
// List 在项目 owner 校验后返回该项目的会话，内部自增 ID 不离开服务边界。
func (s *SessionService) List(userID uint, projectIdentity string) ([]models.SenlinAgentAISession, error) {
project, err := projects.FindOwnedProject(userID, projectIdentity)
if err != nil {
return nil, err
}
session := &models.SenlinAgentAISession{ProjectID: projectID, CreatedBy: userID, Title: title}
return session, models.DBService.Create(session).Error
var sessions []models.SenlinAgentAISession
if err := models.DBService.Where("project_id = ?", project.ID).Order("updated_at desc, id desc").Find(&sessions).Error; err != nil {
return nil, err
}
if sessions == nil {
sessions = []models.SenlinAgentAISession{}
}
return sessions, nil
}
// Create 先校验项目，再限流，最后才选择 provider/key；会话创建不会生成任何正式业务对象。
func (s *SessionService) Create(userID uint, projectIdentity, title, context string) (*models.SenlinAgentAISession, error) {
title = strings.TrimSpace(title)
context = strings.TrimSpace(context)
if title == "" {
return nil, ErrInvalidSession
}
project, err := projects.FindOwnedProject(userID, projectIdentity)
if err != nil {
return nil, err
}
if s.gateway == nil {
return nil, errors.New("ai gateway is required")
}
if err := s.gateway.CheckRateLimit(userID, aiSessionCreateAction, aiSessionCreateLimit, time.Hour); err != nil {
if errors.Is(err, ErrAIRateLimited) {
if auditErr := s.gateway.RecordCall(userID, "none", "none", aiSessionCreateAction, "failed", "ai_rate_limited"); auditErr != nil {
return nil, fmt.Errorf("record ai rate limit failure: %w", auditErr)
}
return nil, ErrAIRateLimited
}
if auditErr := s.gateway.RecordCall(userID, "none", "none", aiSessionCreateAction, "failed", "rate_limit_check_failed"); auditErr != nil {
return nil, fmt.Errorf("check rate limit: %v; record failure: %w", err, auditErr)
}
return nil, err
}
selected, err := s.gateway.SelectKey(userID)
if err != nil {
code := "provider_selection_failed"
if errors.Is(err, ErrAIKeyMissing) {
code = "ai_key_missing"
}
if auditErr := s.gateway.RecordCall(userID, "none", "none", aiSessionCreateAction, "failed", code); auditErr != nil {
return nil, fmt.Errorf("select ai key: %v; record failure: %w", err, auditErr)
}
return nil, err
}
session := models.SenlinAgentAISession{
ProjectID: project.ID,
CreatedBy: userID,
Title: title,
Context: context,
Status: defaultSessionStatus,
}
if err := models.DBService.Create(&session).Error; err != nil {
if auditErr := s.gateway.RecordCall(userID, selected.Provider, selected.KeyType, aiSessionCreateAction, "failed", "session_create_failed"); auditErr != nil {
return nil, fmt.Errorf("create ai session: %v; record failure: %w", err, auditErr)
}
return nil, err
}
// ready 只表示会话入口已建立，不表示 provider 已回复或任何业务对象已创建。
if err := s.gateway.RecordCall(userID, selected.Provider, selected.KeyType, aiSessionCreateAction, defaultSessionStatus, ""); err != nil {
return nil, fmt.Errorf("record ai session creation: %w", err)
}
return &session, nil
}
func aiSessionStatus(session models.SenlinAgentAISession) string {
if status := strings.TrimSpace(session.Status); status != "" {
return status
}
return defaultSessionStatus
}