适配chat结构

src/responses.ts

@@ -291,7 +291,7 @@ interface StoredResponse {
   input_items: ResponseInputItem[];
 }
 
-interface StructuredValidation {
+export interface StructuredValidation {
   validate: (text: string) => { valid: boolean; errors: string[] };
 }
 
@@ -1107,14 +1107,14 @@ function buildResponsesPrompt(
   ].join("\n\n");
 }
 
-function buildRepairPrompt(
+export function buildRepairPrompt(
   originalPrompt: string,
   format: ResponseTextFormat,
   invalidOutput: string,
   validationErrors: string[],
 ): string {
   return [
-    "这是同一 Responses 请求的唯一一次结构化输出修复步骤。",
+    "这是同一请求的唯一一次结构化输出修复步骤。",
     "保留原始答案的语义，只修复 JSON 语法和 Schema 违规；只返回修复后的 JSON，禁止代码围栏和解释。",
     formatDirective(format),
     "校验错误：",
@@ -1320,7 +1320,7 @@ async function executeAttempt(
   };
 }
 
-function createStructuredValidation(format: ResponseTextFormat): StructuredValidation | undefined {
+export function createStructuredValidation(format: ResponseTextFormat): StructuredValidation | undefined {
   if (format.type === "text") return undefined;
   if (format.type === "json_object") {
     return {
@@ -1761,7 +1761,7 @@ function toResponseUsage(usage?: CommandUsage): ResponseUsage | null {
   };
 }
 
-function addUsage(left?: CommandUsage, right?: CommandUsage): CommandUsage | undefined {
+export function addUsage(left?: CommandUsage, right?: CommandUsage): CommandUsage | undefined {
   if (!left && !right) return undefined;
   return {
     inputTokens: (left?.inputTokens ?? 0) + (right?.inputTokens ?? 0),