修复退出异常问题

internal/task/scheduler/scheduler.go

@@ -6,7 +6,9 @@ package scheduler
 import (
 	"context"
 	"fmt"
+	"os/signal"
 	"sync"
+	"syscall"
 	"time"
 
 	"github.com/Rain-kl/Wavelet/internal/logger"
@@ -33,6 +35,7 @@ func StartScheduler() error {
 	var err error
 	schedulerOnce.Do(func() {
 		quitChan = make(chan struct{})
+		done := quitChan
 
 		// 初始化并运行首次调度
 		if err = ReloadScheduler(); err != nil {
@@ -40,8 +43,12 @@ func StartScheduler() error {
 			return
 		}
 
-		// 阻塞等待
+		signalCtx, stopSignals := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
-		<-quitChan
+		defer stopSignals()
+
+		if waitForStop(done, signalCtx.Done()) {
+			StopScheduler()
+		}
 	})
 	return err
 }
@@ -114,14 +121,21 @@ func ReloadScheduler() error {
 		}
 	}
 
-	// 5. 替换全局调度器并异步启动
+	// 5. 启动并替换全局调度器。进程信号由 StartScheduler 统一处理。
+	if err := newScheduler.Start(); err != nil {
+		return fmt.Errorf("start scheduler failed: %w", err)
+	}
 	activeScheduler = newScheduler
-	go func() {
-		if err := activeScheduler.Run(); err != nil {
-			logger.ErrorF(context.Background(), "[Scheduler] 调度器运行错误: %v", err)
-		}
-	}()
 
 	logger.InfoF(context.Background(), "[Scheduler] 成功重新加载定时任务，共注册 %d 个活动任务", len(schedules))
 	return nil
 }
+
+func waitForStop(done <-chan struct{}, signals <-chan struct{}) bool {
+	select {
+	case <-done:
+		return false
+	case <-signals:
+		return true
+	}
+}

internal/task/scheduler/scheduler_test.go

@@ -0,0 +1,42 @@
+// Copyright 2026 Arctel.net
+// SPDX-License-Identifier: Apache-2.0
+
+package scheduler
+
+import "testing"
+
+func TestWaitForStop(t *testing.T) {
+	tests := []struct {
+		name        string
+		closeDone   bool
+		closeSignal bool
+		wantSignal  bool
+	}{
+		{
+			name:      "explicit stop",
+			closeDone: true,
+		},
+		{
+			name:        "process signal",
+			closeSignal: true,
+			wantSignal:  true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			done := make(chan struct{})
+			signals := make(chan struct{})
+			if tt.closeDone {
+				close(done)
+			}
+			if tt.closeSignal {
+				close(signals)
+			}
+
+			if got := waitForStop(done, signals); got != tt.wantSignal {
+				t.Errorf("waitForStop() = %t, want %t", got, tt.wantSignal)
+			}
+		})
+	}
+}