完善生图5.0的功能

backend/internal/billing/defaults_test.go

@@ -9,6 +9,7 @@ func TestDefaultBillingPriceRulesFreezeOfficialCatalogMatchKeys(t *testing.T) {
 		"base-evolink-gpt-image-2":          false,
 		"base-bailian-wan27-image-pro":      false,
 		"base-seedream-5-0-pro":             false,
+		"base-seedream-5-0-pro-layers":      false,
 		"base-bailian-wan27-i2v-720p":       false,
 		"base-bailian-wan27-i2v-1080p":      false,
 		"base-seedance-2-0-480p":            false,