fix(frontend): clarify processing tier pricing

frontend/src/features/models/components/GlobalModelFormDialog.vue

@@ -398,6 +398,7 @@
                 :show-token-pricing="billingMode === 'token'"
                 :show-image-pricing="isImageGenerationEnabled"
                 :show-image-editor="billingMode === 'image'"
+                :show-processing-tier-controls="false"
                 :show-processing-tier-multiplier-controls="true"
               />
 

frontend/src/features/models/components/__tests__/GlobalModelFormDialog.prefill.spec.ts

@@ -167,8 +167,8 @@ describe('GlobalModelFormDialog preset replacement', () => {
     findButton('Stale Model').click()
     await settle()
 
-    expect(document.body.querySelector('[data-processing-tier="standard"]')).not.toBeNull()
-    expect(document.body.querySelector('[data-processing-tier="priority"]')).not.toBeNull()
+    expect(document.body.querySelector('[data-processing-tier]')).toBeNull()
+    expect(document.body.textContent).not.toContain('处理层级')
     expect(document.body.textContent).toContain('自定义价格')
 
     await setInput(