feat(cmd): restore startup banner display in CLI entrypoints

backend/cmd/all.go

@@ -16,6 +16,10 @@ var allCmd = &cobra.Command{
 	Use:   "all",
 	Short: "以融合模式同时启动 API、Worker 和 Scheduler",
 	Run: func(_ *cobra.Command, _ []string) {
+		printStartupBanner(startupState{
+			mode:           "all (API + Worker + Scheduler)",
+			listensForHTTP: true,
+		})
 		app := newWaveletApp(core.ProfileAll)
 		if err := app.Run(); err != nil {
 			log.Fatalf("[All] run failed: %v\n", err)

backend/cmd/api.go

@@ -15,6 +15,10 @@ var apiCmd = &cobra.Command{
 	Use:   "api",
 	Short: "wavelet API",
 	Run: func(_ *cobra.Command, _ []string) {
+		printStartupBanner(startupState{
+			mode:           "api",
+			listensForHTTP: true,
+		})
 		app := newWaveletApp(core.ProfileAPI)
 		if err := app.Run(); err != nil {
 			log.Fatalf("[API] run failed: %v\n", err)

backend/cmd/banner.go

@@ -8,7 +8,6 @@ package cmd
 
 import (
 	"fmt"
-	"log"
 	"runtime"
 	"strings"
 
@@ -23,7 +22,7 @@ type startupState struct {
 }
 
 func printStartupBanner(state startupState) {
-	log.Print(formatStartupBanner(state))
+	fmt.Println(formatStartupBanner(state))
 }
 
 func formatStartupBanner(state startupState) string {

backend/cmd/scheduler.go

@@ -15,6 +15,10 @@ var schedulerCmd = &cobra.Command{
 	Use:   "scheduler",
 	Short: "wavelet Scheduler",
 	Run: func(_ *cobra.Command, _ []string) {
+		printStartupBanner(startupState{
+			mode:           "scheduler",
+			listensForHTTP: false,
+		})
 		app := newWaveletApp(core.ProfileSchedule)
 		if err := app.Run(); err != nil {
 			log.Fatalf("[Scheduler] run failed: %v\n", err)

backend/cmd/worker.go

@@ -15,6 +15,10 @@ var workerCmd = &cobra.Command{
 	Use:   "worker",
 	Short: "wavelet Worker",
 	Run: func(_ *cobra.Command, _ []string) {
+		printStartupBanner(startupState{
+			mode:           "worker",
+			listensForHTTP: false,
+		})
 		app := newWaveletApp(core.ProfileWorker)
 		if err := app.Run(); err != nil {
 			log.Fatalf("[Worker] run failed: %v\n", err)