修复模型广场图片模型价格展示与实收口径不一致

图片计费模型的广场展示价按实收口径计算:档位单价取
分组图片价 > 渠道档位价 > 渠道默认按次价;分组开启生图
独立倍率时实付倍率取独立倍率,不取分组/专属倍率。

frontend/src/api/modelPlaza.ts

@@ -40,6 +40,9 @@ export interface ModelPlazaGroup {
   peak_end: string
   peak_rate_multiplier: number
   is_exclusive: boolean
+  /** 生图独立倍率：true 时图片计费模型的实付倍率取 image_rate_multiplier，不取分组/专属倍率。 */
+  image_rate_independent: boolean
+  image_rate_multiplier: number
   models: PlazaModel[]
 }
 

frontend/src/components/modelPlaza/PlazaGroupSection.vue

@@ -52,6 +52,8 @@
         :platform="group.platform"
         :rate-multiplier="group.rate_multiplier"
         :user-rate-multiplier="group.user_rate_multiplier ?? null"
+        :image-rate-independent="group.image_rate_independent"
+        :image-rate-multiplier="group.image_rate_multiplier"
       />
       <p v-else class="px-5 py-4 text-center text-sm text-gray-400 dark:text-dark-500">
         {{ t('modelPlaza.detail.noModels') }}

frontend/src/components/modelPlaza/PlazaModelPricingTable.vue

@@ -134,13 +134,13 @@
                   class="inline-flex items-center gap-1 rounded-md bg-gray-100 px-2 py-0.5 font-mono text-xs text-gray-800 dark:bg-dark-700/60 dark:text-gray-200"
                 >
                   <span class="font-sans text-gray-400 dark:text-dark-500">{{ tierLabel(iv) }}</span>
-                  {{ paidRequestPrice(iv.per_request_price)
+                  {{ paidRequestPrice(m, iv.per_request_price)
                   }}<span class="font-sans text-gray-400 dark:text-dark-500">{{ perUnitSuffix(m) }}</span>
                 </span>
               </div>
               <template v-else-if="m.pricing?.per_request_price != null">
                 <span class="font-mono font-semibold text-gray-900 dark:text-gray-50">
-                  {{ paidRequestPrice(m.pricing.per_request_price) }}
+                  {{ paidRequestPrice(m, m.pricing.per_request_price) }}
                 </span>
                 <span class="ml-1 text-xs text-gray-400 dark:text-dark-500">{{ perUnitSuffix(m) }}</span>
               </template>
@@ -178,11 +178,16 @@
             <span v-else class="text-gray-400 dark:text-dark-500">-</span>
           </td>
 
-          <!-- 折扣倍率(专属倍率划线展示原倍率) -->
+          <!-- 折扣倍率(生图独立倍率行展示独立倍率;专属倍率划线展示原倍率) -->
           <td
             class="border-l border-gray-100 py-2.5 pl-3 pr-5 text-right align-middle font-mono text-xs dark:border-dark-700/60"
           >
-            <template v-if="hasCustomRate">
+            <span
+              v-if="usesIndependentImageRate(m)"
+              class="font-bold text-gray-700 dark:text-gray-300"
+              >{{ requestRate(m) }}x</span
+            >
+            <template v-else-if="hasCustomRate">
               <span class="mr-1 text-gray-400 line-through dark:text-dark-500">{{ rateMultiplier }}x</span>
               <span class="font-bold text-primary-600 dark:text-primary-400">{{ effectiveRate }}x</span>
             </template>
@@ -215,6 +220,9 @@ const props = defineProps<{
   rateMultiplier: number
   /** 用户专属倍率;与默认不同,实付价按此计算并划线展示原倍率。 */
   userRateMultiplier?: number | null
+  /** 生图独立倍率:true 时图片计费模型的实付倍率取 imageRateMultiplier,不取分组/专属倍率。 */
+  imageRateIndependent?: boolean
+  imageRateMultiplier?: number | null
 }>()
 
 const { t } = useI18n()
@@ -268,10 +276,20 @@ function paidPerMillion(value: number | null | undefined): string {
   return formatScaled(value * effectiveRate.value, PER_MILLION, MIN_DECIMALS)
 }
 
-/** 按次 / 按图片单价(乘生效倍率,不换算 1M)。 */
-function paidRequestPrice(value: number | null | undefined): string {
+/** 图片计费模型且分组开启生图独立倍率:实付倍率取独立倍率,与计费口径一致。 */
+function usesIndependentImageRate(m: PlazaModel): boolean {
+  return billingMode(m) === BILLING_MODE_IMAGE && props.imageRateIndependent === true
+}
+
+/** 按次/按图片行的生效倍率。 */
+function requestRate(m: PlazaModel): number {
+  return usesIndependentImageRate(m) ? (props.imageRateMultiplier ?? 1) : effectiveRate.value
+}
+
+/** 按次 / 按图片单价(乘该行生效倍率,不换算 1M)。 */
+function paidRequestPrice(m: PlazaModel, value: number | null | undefined): string {
   if (value == null) return '-'
-  return formatScaled(value * effectiveRate.value, 1, MIN_DECIMALS)
+  return formatScaled(value * requestRate(m), 1, MIN_DECIMALS)
 }
 
 /** 官方参考价不乘倍率。 */

frontend/src/components/modelPlaza/__tests__/PlazaModelPricingTable.spec.ts

@@ -39,9 +39,14 @@ function tokenModel(overrides: Partial<PlazaModel> = {}): PlazaModel {
   }
 }
 
-function mountTable(models: PlazaModel[], rateMultiplier: number, userRateMultiplier?: number | null) {
+function mountTable(
+  models: PlazaModel[],
+  rateMultiplier: number,
+  userRateMultiplier?: number | null,
+  extraProps?: { imageRateIndependent?: boolean; imageRateMultiplier?: number | null }
+) {
   return mount(PlazaModelPricingTable, {
-    props: { models, rateMultiplier, userRateMultiplier: userRateMultiplier ?? null }
+    props: { models, rateMultiplier, userRateMultiplier: userRateMultiplier ?? null, ...extraProps }
   })
 }
 
@@ -265,6 +270,69 @@ describe('PlazaModelPricingTable', () => {
     expect(text).toContain('$15.00')
   })
 
+  it('生图独立倍率开启时,按图价格 × 独立倍率,不乘分组倍率;倍率列展示独立倍率', () => {
+    const model = tokenModel({
+      name: 'gpt-image-2',
+      pricing: {
+        billing_mode: 'image',
+        input_price: null,
+        output_price: null,
+        cache_write_price: null,
+        cache_read_price: null,
+        image_input_price: null,
+        image_output_price: null,
+        per_request_price: null,
+        intervals: [
+          {
+            min_tokens: 0,
+            max_tokens: null,
+            tier_label: '1K',
+            input_price: null,
+            output_price: null,
+            cache_write_price: null,
+            cache_read_price: null,
+            per_request_price: 0.02
+          }
+        ]
+      },
+      official_pricing: null
+    })
+    const wrapper = mountTable([model], 0.1, null, {
+      imageRateIndependent: true,
+      imageRateMultiplier: 1
+    })
+    const text = wrapper.text()
+    // 0.02 × 1(独立倍率),而非 0.02 × 0.1
+    expect(text).toContain('$0.02')
+    expect(text).not.toContain('$0.002')
+    // 倍率列展示独立倍率 1x,而非分组倍率 0.1x
+    const rateCell = wrapper.findAll('tbody tr td').at(-1)!
+    expect(rateCell.text()).toBe('1x')
+  })
+
+  it('生图独立倍率关闭时,按图价格仍乘分组/专属生效倍率', () => {
+    const model = tokenModel({
+      name: 'gpt-image-2',
+      pricing: {
+        billing_mode: 'image',
+        input_price: null,
+        output_price: null,
+        cache_write_price: null,
+        cache_read_price: null,
+        image_input_price: null,
+        image_output_price: null,
+        per_request_price: 0.2,
+        intervals: []
+      },
+      official_pricing: null
+    })
+    const wrapper = mountTable([model], 0.1, null, { imageRateIndependent: false })
+    const text = wrapper.text()
+    expect(text).toContain('$0.02')
+    const rateCell = wrapper.findAll('tbody tr td').at(-1)!
+    expect(rateCell.text()).toBe('0.1x')
+  })
+
   it('按图模型主行展示阶梯芯片,不把 image_output_price(每 token)当按次价', () => {
     const model = tokenModel({
       name: 'gpt-image-2',