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/api/settings/modelConfigV2/index.ts

@@ -60,6 +60,7 @@ export interface ModelManageItem {
 	responseBodyMapping: Record<string, string>;
 	responseBusinessFieldMapping?: Record<string, string>;
 	minDuration?: number;
+	priceConfig?: unknown;
 	tokenMapping?: TokenMapping;
 	asyncTaskMapping?: AsyncTaskMapping;
 	lastFrame?: string;
@@ -171,9 +172,13 @@ export interface CreateModelManageParams {
 	tokenPredictPrice?: number;
 	requestHeadMapping?: Record<string, unknown>;
 	requestBodyMapping?: Record<string, unknown>;
+	requestBusinessFieldMapping?: Record<string, string>;
 	error_message_mapping?: Record<string, unknown>;
 	responseMapping?: Record<string, unknown>;
 	responseBodyMapping?: Record<string, string>;
+	responseBusinessFieldMapping?: Record<string, string>;
+	minDuration?: number;
+	priceConfig?: unknown;
 	tokenMapping?: TokenMapping;
 	asyncTaskMapping?: AsyncTaskMapping;
 	lastFrame?: string;