copilot_chat: Fix error when using GPT models (#57958) (cherry-pick to stable)#57979
Merged
Conversation
We were including reasoning blocks twice. This matches what the Copilot
API does (that is only including the reasoning items in
`output_item.done`).
Before:
```
{
"type": "message",
"role": "user",
"content": [{ "type": "input_text", "text": "Run ls" }]
},
{
"type": "reasoning",
"id": "khgBW2vnLWOFgjxAybXdEtL47dY9XaqKW6yvy2JHSaWVeONUkhuQXcDTWwmnbpKKzlzYuaZsO2YUyvieidwC+RbAfD0e2ZjipDSLTdF7DZM6yLUpAwSgV+09d234G93pdg2VRW7dlgcllPCbVeor9V7bZQUOifDp/vU0VIrKVNFjDgigPYojwSZ476o/rTLvTBSlKt1IbkqyLLiix2gokE1lR+DpmG54UiynMFX2WtOVtZP+BriKGfbw3QQF+gz5HQDZuU/Pc7L2CzHTwQVsmTXljeJI9BTZjuiDBVaDZf4ILQiuQ33wVvh3jC5la47lC8jbqlYpmRirsxgBb/vcAFWnUKxcJh/Bgs3tnNk4TKXTeoYhZ+71YGSv2jFnK0JzJ9iZB8w4bkZvHE6136HnSg==",
"summary": [],
"encrypted_content": "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"
},
{
"type": "reasoning",
"id": "Vj0QJZMbDF6p5SHwQfzk3FCBzFmXvd6ERARDR68BTo93WJpORDWhnaR2CPiPRIMhbvt9fI5VjqR5O5mUXtciw+V74B9petxJMcM1OtsoQqeQr0Go2QjQAYquGV/Q+1n/+x1HjWXRGTzHkwplhZ1KYL9juwFF8PZke8wnl6wQRyUUTjLFxdxNMfl6kTBYAU4RBjnJiz16dSrvzaRLbHc0ZgezT7IqJOIA8paZvwncwY6ftXEcdYTKYUDGChK7aUcVt+RyCGtSl81ayzmoCdv0SGCJBsnX5BuG1GmINkDHEpwTNHteYXmSDxLKgzNIwIBJxR1Z5WMBEZDI4OQWNzLTuKppCOYv0E7UxCclSwkGKEof8yDBVvgdFfwfoFIvFJKJiy/niUDuzKbqW14CtodaLg==",
"summary": [],
"encrypted_content": "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"
},
{
"type": "function_call",
"call_id": "call_kYosdPp77arTCMT4vxKotORr",
"name": "update_title",
"arguments": "{\"title\":\"List project files\"}"
},
{
"type": "function_call_output",
"call_id": "call_kYosdPp77arTCMT4vxKotORr",
"output": "Session title updated"
}
```
After:
```
{
"type": "message",
"role": "user",
"content": [{ "type": "input_text", "text": "Run ls" }]
},
{
"type": "function_call",
"call_id": "call_JAUQ6fRiJGBC2WxHjMuG3opI",
"name": "update_title",
"arguments": "{\"title\":\"List project files\"}"
},
{
"type": "function_call",
"call_id": "call_lMZRlqGeJ8sSiITJ4xesgMwt",
"name": "terminal",
"arguments": "{\"command\":\"ls\",\"cd\":\"calculator\",\"timeout_ms\":5000,\"allow_network\":false,\"allow_fs_write\":false,\"unsandboxed\":false}"
},
{
"type": "reasoning",
"summary": [],
"encrypted_content": "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"
},
{
"type": "function_call_output",
"call_id": "call_JAUQ6fRiJGBC2WxHjMuG3opI",
"output": "Session title updated"
},
{
"type": "function_call_output",
"call_id": "call_lMZRlqGeJ8sSiITJ4xesgMwt",
"output": "```\nCargo.lock\tCargo.toml\tCLAUDE.md\tsrc\t\ttarget\n```"
}
```
Closes #57776
Release Notes:
- copilot: Fixed an issue where using GPT models would return an error
in `invalid_request_body`
Co-authored-by: cameron <cameron.studdstreet@gmail.com>
Anthony-Eid
approved these changes
May 28, 2026
Anthony-Eid
approved these changes
May 28, 2026
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Cherry-pick of #57958 to stable
We were including reasoning blocks twice. This matches what the Copilot
API does (that is only including the reasoning items in
output_item.done).Before:
After:
Closes #57776
Release Notes:
in
invalid_request_bodyCo-authored-by: cameron cameron.studdstreet@gmail.com