From d021fcadadd100c11953d894de19f545626df618 Mon Sep 17 00:00:00 2001
From: Jeff Carr <jcarr@wit.com>
Date: Fri, 29 Aug 2025 15:39:56 -0500
Subject: [PATCH] writes the JSON to files in /tmp/

---
 .../core/src/core/loggingContentGenerator.ts     | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/packages/core/src/core/loggingContentGenerator.ts b/packages/core/src/core/loggingContentGenerator.ts
index 2abe3dce..c4b89115 100644
--- a/packages/core/src/core/loggingContentGenerator.ts
+++ b/packages/core/src/core/loggingContentGenerator.ts
@@ -4,6 +4,8 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+import * as fs from 'fs';
+import * as path from 'path';
 import {
   Content,
   CountTokensParameters,
@@ -37,6 +39,8 @@ interface StructuredError {
  * A decorator that wraps a ContentGenerator to add logging to API calls.
  */
 export class LoggingContentGenerator implements ContentGenerator {
+  private requestCounter = 1;
+
   constructor(
     private readonly wrapped: ContentGenerator,
     private readonly config: Config,
@@ -108,6 +112,12 @@ export class LoggingContentGenerator implements ContentGenerator {
     const startTime = Date.now();
     this.logApiRequest(toContents(req.contents), req.model, userPromptId);
     try {
+      const sessionId = this.config.getSessionId();
+      const fileName = `${sessionId}.gemini-api-request.${this.requestCounter}.json`;
+      const filePath = path.join('/tmp', fileName);
+      const jsonPayload = JSON.stringify(req, null, 2);
+      fs.writeFileSync(filePath, jsonPayload);
+      this.requestCounter++;
       const response = await this.wrapped.generateContent(req, userPromptId);
       const durationMs = Date.now() - startTime;
       this._logApiResponse(
@@ -131,6 +141,12 @@ export class LoggingContentGenerator implements ContentGenerator {
     const startTime = Date.now();
     this.logApiRequest(toContents(req.contents), req.model, userPromptId);
 
+    const sessionId = this.config.getSessionId();
+    const fileName = `${sessionId}.gemini-api-request.${this.requestCounter}.json`;
+    const filePath = path.join('/tmp', fileName);
+    const jsonPayload = JSON.stringify(req, null, 2);
+    fs.writeFileSync(filePath, jsonPayload);
+    this.requestCounter++;
     let stream: AsyncGenerator<GenerateContentResponse>;
     try {
       stream = await this.wrapped.generateContentStream(req, userPromptId);