增加统一倍率调整按钮

backend/internal/billing/service_test.go

@@ -2,6 +2,7 @@ package billing
 
 import (
 	"context"
+	"errors"
 	"reflect"
 	"testing"
 )
@@ -74,6 +75,30 @@ func TestServiceQuoteDisabledReturnsNilWithoutAccessingRules(t *testing.T) {
 	}
 }
 
+func TestServiceCatalogReadsReturnSeedErrors(t *testing.T) {
+	seedErr := errors.New("catalog refresh failed")
+	for name, read := range map[string]func(*Service) error{
+		"admin overview": func(service *Service) error {
+			_, err := service.AdminOverview(context.Background())
+			return err
+		},
+		"price list": func(service *Service) error {
+			_, err := service.ListPrices(context.Background())
+			return err
+		},
+	} {
+		t.Run(name, func(t *testing.T) {
+			store := &quoteStoreStub{seedErr: seedErr}
+			if err := read(NewService(store, nil)); !errors.Is(err, seedErr) {
+				t.Fatalf("error = %v, want %v", err, seedErr)
+			}
+			if store.listCalls != 0 {
+				t.Fatal("returned a stale price list after catalog refresh failed")
+			}
+		})
+	}
+}
+
 func TestServiceQuoteFreezesConservativeSeedanceReserve(t *testing.T) {
 	store := &quoteStoreStub{rules: []PriceRule{{
 		ID: "seedance-720", Provider: "seedance", Capability: "video.generate",
@@ -230,6 +255,7 @@ type quoteStoreStub struct {
 	rules        []PriceRule
 	seeded       []PriceRule
 	seedCalls    int
+	seedErr      error
 	listCalls    int
 	failOnAccess bool
 }
@@ -237,7 +263,7 @@ type quoteStoreStub struct {
 func (s *quoteStoreStub) SeedBillingPriceRules(_ context.Context, rules []PriceRule) error {
 	s.seedCalls++
 	s.seeded = rules
-	return nil
+	return s.seedErr
 }
 func (s *quoteStoreStub) ListBillingPriceRules(context.Context, bool) ([]PriceRule, error) {
 	s.listCalls++