diff --git a/backend/cmd/start.go b/backend/cmd/start.go
index d431fdc..024c138 100644
--- a/backend/cmd/start.go
+++ b/backend/cmd/start.go
@@ -151,7 +151,7 @@ func Start() {
 	courseService := service.NewCourseService(courseRepo, scheduleRepo)
 	taskClassService := service.NewTaskClassService(taskClassRepo, cacheRepo, scheduleRepo, manager)
 	scheduleService := service.NewScheduleService(scheduleRepo, userRepo, taskClassRepo, manager, cacheRepo)
-	agentService := service.NewAgentServiceWithSchedule(aiHub, agentRepo, taskRepo, cacheRepo, agentCacheRepo, eventBus, scheduleService)
+	agentService := service.NewAgentServiceWithSchedule(aiHub, agentRepo, taskRepo, cacheRepo, agentCacheRepo, eventBus, scheduleService, taskSv)
 
 	// newAgent 依赖接线。
 	agentService.SetAgentStateStore(dao.NewAgentStateStoreAdapter(cacheRepo))
diff --git a/backend/go.mod b/backend/go.mod
index ef947dc..f0fc632 100644
--- a/backend/go.mod
+++ b/backend/go.mod
@@ -23,7 +23,6 @@ require (
 	github.com/bahlo/generic-list-go v0.2.0 // indirect
 	github.com/buger/jsonparser v1.1.1 // indirect
 	github.com/bytedance/gopkg v0.1.3 // indirect
-	github.com/bytedance/mockey v1.3.0 // indirect
 	github.com/bytedance/sonic v1.15.0 // indirect
 	github.com/bytedance/sonic/loader v0.5.0 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
diff --git a/backend/service/agent_bridge.go b/backend/service/agent_bridge.go
index fdac1c9..e642f8c 100644
--- a/backend/service/agent_bridge.go
+++ b/backend/service/agent_bridge.go
@@ -36,6 +36,7 @@ func NewAgentServiceWithSchedule(
 	agentRedis *dao.AgentCache,
 	eventPublisher outboxinfra.EventPublisher,
 	scheduleSvc *ScheduleService,
+	taskSvc *TaskService,
 ) *AgentService {
 	svc := agentsvc.NewAgentService(aiHub, repo, taskRepo, cacheDAO, agentRedis, eventPublisher)
 
@@ -46,5 +47,10 @@ func NewAgentServiceWithSchedule(
 		svc.ResolvePlanningWindowFunc = scheduleSvc.ResolvePlanningWindowByTaskClasses
 	}
 
+	// 注入任务紧急性提升依赖：复用 TaskService 的统一提升 + outbox 投递链路。
+	if taskSvc != nil {
+		svc.GetTasksWithUrgencyPromotionFunc = taskSvc.GetTasksWithUrgencyPromotion
+	}
+
 	return svc
 }
diff --git a/backend/service/agentsvc/agent.go b/backend/service/agentsvc/agent.go
index 5cd2f6c..29ead6d 100644
--- a/backend/service/agentsvc/agent.go
+++ b/backend/service/agentsvc/agent.go
@@ -50,6 +50,12 @@ type AgentService struct {
 	// 2. 该函数只做”窗口解析”，不负责粗排与混排计算。
 	ResolvePlanningWindowFunc func(ctx context.Context, userID int, taskClassIDs []int) (startWeek, startDay, endWeek, endDay int, err error)
 
+	// ── 任务紧急性提升依赖（函数注入，避免 service 包循环依赖）──
+
+	// GetTasksWithUrgencyPromotionFunc 读取用户任务并应用读时紧急性提升 + 异步落库触发。
+	// 未注入时，QueryTasksForTool 回退到旧逻辑（纯内存提升，不持久化）。
+	GetTasksWithUrgencyPromotionFunc func(ctx context.Context, userID int) ([]model.Task, error)
+
 	// ── newAgent 依赖（由 cmd/start.go 通过 Set* 方法注入）──
 	toolRegistry     *newagenttools.ToolRegistry
 	scheduleProvider newagentmodel.ScheduleStateProvider
diff --git a/backend/service/agentsvc/agent_task_query.go b/backend/service/agentsvc/agent_task_query.go
index be8f36e..045de48 100644
--- a/backend/service/agentsvc/agent_task_query.go
+++ b/backend/service/agentsvc/agent_task_query.go
@@ -13,31 +13,47 @@ import (
 )
 
 func (s *AgentService) QueryTasksForTool(ctx context.Context, req newagentmodel.TaskQueryRequest) ([]newagentmodel.TaskQueryTaskRecord, error) {
-	_ = ctx
 	if req.UserID <= 0 {
 		return nil, errors.New("invalid user_id in task query")
 	}
-	if s.taskRepo == nil {
-		return nil, errors.New("task repository is nil")
-	}
 
-	tasks, err := s.taskRepo.GetTasksByUserID(req.UserID)
-	if err != nil {
-		if errors.Is(err, respond.UserTasksEmpty) {
-			return make([]newagentmodel.TaskQueryTaskRecord, 0), nil
+	var tasks []model.Task
+	var err error
+
+	// 优先使用统一提升链路（含缓存读取 + 读时派生 + outbox 异步落库）。
+	if s.GetTasksWithUrgencyPromotionFunc != nil {
+		tasks, err = s.GetTasksWithUrgencyPromotionFunc(ctx, req.UserID)
+		if err != nil {
+			if errors.Is(err, respond.UserTasksEmpty) {
+				return make([]newagentmodel.TaskQueryTaskRecord, 0), nil
+			}
+			return nil, err
+		}
+	} else {
+		// 回退：未注入时走旧的 taskRepo 直接读取（无缓存、无持久化）。
+		if s.taskRepo == nil {
+			return nil, errors.New("task repository is nil")
+		}
+		tasks, err = s.taskRepo.GetTasksByUserID(req.UserID)
+		if err != nil {
+			if errors.Is(err, respond.UserTasksEmpty) {
+				return make([]newagentmodel.TaskQueryTaskRecord, 0), nil
+			}
+			return nil, err
+		}
+		now := time.Now()
+		for i := range tasks {
+			applyReadTimeUrgencyPromotion(&tasks[i], now)
 		}
-		return nil, err
 	}
 
-	now := time.Now()
+	// 过滤、排序、截断。
 	filtered := make([]model.Task, 0, len(tasks))
-	for _, originalTask := range tasks {
-		currentTask := originalTask
-		applyReadTimeUrgencyPromotion(&currentTask, now)
-		if !taskMatchesQueryFilter(currentTask, req) {
+	for _, task := range tasks {
+		if !taskMatchesQueryFilter(task, req) {
 			continue
 		}
-		filtered = append(filtered, currentTask)
+		filtered = append(filtered, task)
 	}
 
 	sortTasksForQuery(filtered, req)
diff --git a/backend/service/task.go b/backend/service/task.go
index af1d088..53e8caf 100644
--- a/backend/service/task.go
+++ b/backend/service/task.go
@@ -168,21 +168,25 @@ func (ts *TaskService) UndoCompleteTask(ctx context.Context, req *model.UserUndo
 // 2. 真实平移由异步消费者条件更新 DB；
 // 3. DB 更新后由 cache_deleter 自动删缓存，下一次读取自然拿到新状态。
 func (ts *TaskService) GetUserTasks(ctx context.Context, userID int) ([]model.GetUserTaskResp, error) {
-	// 1. 读取原始任务模型（缓存优先，DB 兜底）。
+	derivedTasks, err := ts.GetTasksWithUrgencyPromotion(ctx, userID)
+	if err != nil {
+		return nil, err
+	}
+	return conv.ModelToGetUserTasksResp(derivedTasks), nil
+}
+
+// GetTasksWithUrgencyPromotion 读取用户任务并应用读时紧急性提升 + 异步落库触发。
+//
+// 统一入口，供前端查询（GetUserTasks）和 LLM 工具查询（QueryTasksForTool）复用。
+// 调用方不应假设 DB 已更新——持久化是异步的。
+func (ts *TaskService) GetTasksWithUrgencyPromotion(ctx context.Context, userID int) ([]model.Task, error) {
 	rawTasks, err := ts.getRawUserTasks(ctx, userID)
 	if err != nil {
 		return nil, err
 	}
-
-	// 2. 读时派生：本次请求内把“已到线任务”映射到紧急象限，同时收集待异步落库任务 ID。
 	derivedTasks, duePromoteTaskIDs := deriveTaskUrgencyForRead(rawTasks, time.Now())
-
-	// 3. 非阻断触发异步平移事件：发布失败不影响本次查询返回。
 	ts.tryEnqueueTaskUrgencyPromote(ctx, userID, duePromoteTaskIDs)
-
-	// 4. 最后统一走 conv 转 DTO，避免 API 层直接依赖内部模型。
-	response := conv.ModelToGetUserTasksResp(derivedTasks)
-	return response, nil
+	return derivedTasks, nil
 }
 
 // getRawUserTasks 读取“原始任务模型”。