模型管理v2：系统模型填 API Key 转用户模型时透传 priceConfig 等4个业务字段

后端在返回的模型信息中携带 requestBusinessFieldMapping/responseBusinessFieldMapping/minDuration/priceConfig，
首页两处提交链路（SessionModelSetter、TemplateCompleteDialog）此前遗漏未传，现从模型对象原样透传。

Co-Authored-By: Claude <noreply@anthropic.com>

src/views/home/components/SessionModelSetter.vue

@@ -314,13 +314,17 @@ const buildFullPayload = (model: ModelManageItem, apiKeyVal: string): UpdateMode
 		tokenPredictPrice: model.tokenPredictPrice,
 		requestHeadMapping: safeObj(model.requestHeadMapping),
 		requestBodyMapping: safeObj(model.requestBodyMapping),
+		requestBusinessFieldMapping: model.requestBusinessFieldMapping,
 		responseMapping: safeObj(model.responseMapping),
 		responseBodyMapping: (safeObj(model.responseBodyMapping) as Record<string, string>) || undefined,
+		responseBusinessFieldMapping: model.responseBusinessFieldMapping,
 		tokenMapping: model.tokenMapping,
 		asyncTaskMapping: model.asyncTaskMapping,
 		lastFrame: model.lastFrame || '',
 		maxDuration: model.maxDuration,
+		minDuration: model.minDuration,
 		tokenPredictPriceUnit: model.tokenPredictPriceUnit || '',
+		priceConfig: model.priceConfig,
 	};
 };