refactor(bootstrap): move runtime init from router to cmd layer

Extract SyncEvents and InitLogWriter from router.Serve into bootstrap.Init
called from cmd entry points with trace-aware context. Preserve existing
Register* wiring for task and push domain integrations.

internal/cmd/all.go

@@ -9,6 +9,7 @@ import (
 	"log"
 	"sync"
 
+	"github.com/Rain-kl/Wavelet/internal/bootstrap"
 	"github.com/Rain-kl/Wavelet/internal/router"
 	"github.com/Rain-kl/Wavelet/internal/task/scheduler"
 	"github.com/Rain-kl/Wavelet/internal/task/worker"
@@ -20,6 +21,8 @@ var allCmd = &cobra.Command{
 	Short: "以融合模式同时启动 API、Worker 和 Scheduler",
 	Run: func(_ *cobra.Command, _ []string) {
 		log.Println("[All] 融合模式启动")
+		bootstrap.RegisterAll()
+		runBootstrap(bootstrap.Options{API: true})
 
 		var wg sync.WaitGroup
 

internal/cmd/api.go

@@ -5,6 +5,7 @@
 package cmd
 
 import (
+	"github.com/Rain-kl/Wavelet/internal/bootstrap"
 	"github.com/Rain-kl/Wavelet/internal/router"
 	"github.com/spf13/cobra"
 )
@@ -13,6 +14,8 @@ var apiCmd = &cobra.Command{
 	Use:   "api",
 	Short: "wavelet API",
 	Run: func(_ *cobra.Command, _ []string) {
+		bootstrap.RegisterAPI()
+		runBootstrap(bootstrap.Options{API: true})
 		router.Serve()
 	},
 }

internal/cmd/bootstrap.go

@@ -0,0 +1,17 @@
+// Copyright 2026 Arctel.net
+// SPDX-License-Identifier: Apache-2.0
+
+package cmd
+
+import (
+	"context"
+
+	"github.com/Rain-kl/Wavelet/internal/bootstrap"
+	"github.com/Rain-kl/Wavelet/pkg/trace"
+)
+
+func runBootstrap(opts bootstrap.Options) {
+	ctx, span := trace.Start(context.Background(), "bootstrap.Init")
+	defer span.End()
+	bootstrap.Init(ctx, opts)
+}

internal/cmd/scheduler.go

@@ -7,6 +7,7 @@ package cmd
 import (
 	"log"
 
+	"github.com/Rain-kl/Wavelet/internal/bootstrap"
 	"github.com/Rain-kl/Wavelet/internal/task/scheduler"
 
 	"github.com/spf13/cobra"
@@ -16,6 +17,7 @@ var schedulerCmd = &cobra.Command{
 	Use:   "scheduler",
 	Short: "wavelet Scheduler",
 	Run: func(_ *cobra.Command, _ []string) {
+		runBootstrap(bootstrap.Options{})
 		log.Println("[Scheduler] 启动定时任务调度服务")
 		if err := scheduler.StartScheduler(); err != nil {
 			log.Fatalf("[调度器] 启动失败: %v", err)

internal/cmd/worker.go

@@ -7,6 +7,7 @@ package cmd
 import (
 	"log"
 
+	"github.com/Rain-kl/Wavelet/internal/bootstrap"
 	"github.com/Rain-kl/Wavelet/internal/task/worker"
 
 	"github.com/spf13/cobra"
@@ -16,6 +17,7 @@ var workerCmd = &cobra.Command{
 	Use:   "worker",
 	Short: "wavelet Worker",
 	Run: func(_ *cobra.Command, _ []string) {
+		runBootstrap(bootstrap.Options{})
 		log.Println("[Worker] 启动任务处理服务")
 		if err := worker.StartWorker(); err != nil {
 			log.Fatalf("[工作器] 启动失败: %v", err)