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/store/base_models.go

@@ -486,8 +486,12 @@ func modelTypeAliases(value string) []string {
 		return []string{"image_generate"}
 	case "images.edits":
 		return []string{"image_edit"}
+	case "images.vectorize", "vectorize":
+		return []string{"image_vectorize"}
 	case "video", "videos.generations":
 		return []string{"video_generate"}
+	case "videos.upscales", "video_upscale":
+		return []string{"video_enhance"}
 	case "omni_video":
 		return []string{"video_generate", "image_to_video", "omni_video"}
 	case "song", "music", "song.generations", "music.generations", "music_generate":