feat(gateway): 补齐桌面端高级媒体直连接口

新增图片矢量化、视频超分、每日用量、计价与任务隔离能力，并通过环境变量解析平台凭据。

已通过 Go 全量门禁、迁移检查、镜像构建以及 Vectorizer 五格式和 Topaz 3 秒视频真实 DEV 验收。

apps/api/internal/runner/pricing_v2.go

@@ -659,6 +659,28 @@ func (s *Service) billingsWithResolvedPricingV2(
 		resource = "image_edit"
 		baseKey = "editBase"
 	}
+	if kind == "images.vectorize" {
+		resource = "image_vectorize"
+		unit = "conversion"
+		baseKey = "vectorizeBase"
+	}
+	if kind == "videos.upscales" {
+		resource = "video_enhance"
+		unit = "5s_video"
+		baseKey = "videoEnhanceBase"
+		inputs := resolveVideoEnhancePricingInputs(body, response)
+		price, priceErr := pricing.requiredPrice(resource, baseKey, "basePrice")
+		if priceErr != nil {
+			return nil, 0, resolvedPricing{}, priceErr
+		}
+		rawAmount, details := videoEnhanceAmount(pricing.Config, inputs, float64(count), price.Float64())
+		rawAmount = math.Ceil(rawAmount*1e8) / 1e8
+		amount, amountErr := fixedAmountFromAny(rawAmount * discount.Float64())
+		if amountErr != nil {
+			return nil, 0, resolvedPricing{}, pricing.calculationError(resource, amountErr)
+		}
+		return []any{buildLine(resource, unit, float64(count)*inputs.DurationUnits, amount, details)}, amount, pricing, nil
+	}
 	if kind == "videos.generations" {
 		resource = "video"
 		unit = "5s_video"