feat: 完善服务监控与下游重投

gateway/internal/submitworker/worker.go

@@ -12,6 +12,7 @@ import (
 	"sync"
 	"time"
 
+	"cmpp-platform/gateway/internal/metrics"
 	"cmpp-platform/gateway/internal/queue"
 	"cmpp-platform/gateway/internal/ratelimit"
 	"cmpp-platform/gateway/internal/upstream"
@@ -206,6 +207,7 @@ func (w *Worker) processMessage(ctx context.Context, message redis.XMessage) err
 }
 
 func (w *Worker) handleCommand(ctx context.Context, command queue.SubmitCommand) error {
+	startedAt := time.Now()
 	if w.Limiter != nil {
 		if _, err := w.Limiter.Wait(ctx, command.ChannelID, command.Route.RateLimitPerSecond); err != nil {
 			return err
@@ -219,6 +221,8 @@ func (w *Worker) handleCommand(ctx context.Context, command queue.SubmitCommand)
 		submit = w.Upstream.Submit
 	}
 	result, err := submit(ctx, command)
+	accepted := err == nil && (result.SubmitStatus == "" || result.SubmitStatus == "accepted")
+	metrics.ObserveSubmit(accepted, time.Since(startedAt))
 	if err != nil && (result.SubmitStatus == "" || result.SubmitStatus == "accepted") {
 		return err
 	}