fix(auth): grant trial only on email bind

Co-Authored-By: claude-flow <ruv@ruv.net>

scripts/test_device_trial_registration.go

@@ -63,7 +63,7 @@ func main() {
 		*ip = fmt.Sprintf("198.18.%d.%d", now%200+1, now/200%200+1)
 	}
 
-	fmt.Println("== device trial registration test ==")
+	fmt.Println("== device registration no-trial test ==")
 	fmt.Printf("mysql: %s/%s\n", env.cfg.MySQL.Addr, env.cfg.MySQL.Dbname)
 	fmt.Printf("redis: %s db=%d\n", env.cfg.Redis.Host, env.cfg.Redis.DB)
 	fmt.Printf("device.enable=%v\n", env.svcCtx.Config.Device.Enable)
@@ -111,11 +111,6 @@ func main() {
 		Find(&subs).Error; err != nil {
 		fail(fmt.Errorf("query user_subscribe failed: %w", err))
 	}
-	if len(subs) == 0 {
-		fail(fmt.Errorf("FAIL: no user_subscribe rows created for user_id=%d", device.UserId))
-	}
-
-	var trial *modelUser.Subscribe
 	for i := range subs {
 		sub := &subs[i]
 		fmt.Printf("subscribe: id=%d order_id=%d subscribe_id=%d status=%d start=%s expire=%s token_empty=%v\n",
@@ -131,17 +126,11 @@ func main() {
 			sub.SubscribeId == env.svcCtx.Config.Register.TrialSubscribe &&
 			(sub.Status == 0 || sub.Status == 1) &&
 			sub.ExpireTime.After(time.Now()) {
-			trial = sub
+			fail(fmt.Errorf("FAIL: device registration unexpectedly granted trial user_subscribe_id=%d user_id=%d", sub.Id, device.UserId))
 		}
 	}
 
-	if trial == nil {
-		fail(fmt.Errorf("FAIL: trial subscription was not granted for user_id=%d", device.UserId))
-	}
-	fmt.Printf("PASS: trial granted user_subscribe_id=%d expire_time=%s\n",
-		trial.Id,
-		trial.ExpireTime.Format(time.RFC3339),
-	)
+	fmt.Printf("PASS: device registration created no active trial subscription for user_id=%d\n", device.UserId)
 
 	if *cleanup {
 		if err = cleanupTestRows(ctx, env.db, device.UserId); err != nil {