优化

internal/biz/security_test.go

@@ -81,3 +81,32 @@ func TestUpdateSecurityDoesNotBackfillWithoutDisabledToEnabledTransition(t *test
 		t.Fatalf("call order = %v, want [get save]", got)
 	}
 }
+
+func TestSecurityReadsPersistedValueWhileCurrentUsesCache(t *testing.T) {
+	repo := &securityUpdateRepo{current: &SecurityConfig{ID: 1, LimitCount: 10}}
+	uc := NewSecurityUsecase(repo, nil, nil, nil)
+
+	cached, err := uc.Current(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if cached.LimitCount != 10 {
+		t.Fatalf("initial cached limit = %d", cached.LimitCount)
+	}
+	repo.current.LimitCount = 20
+
+	current, err := uc.Current(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if current.LimitCount != 10 {
+		t.Fatalf("Current() bypassed cache: %d", current.LimitCount)
+	}
+	fresh, err := uc.Security(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if fresh.LimitCount != 20 {
+		t.Fatalf("Security() returned stale value: %d", fresh.LimitCount)
+	}
+}