Merge pull request #5258 from feeeei/fix/model_plaza

fix(model-plaza): Model Plaza image model price display is inconsistent with the actual price

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[]
 }