GPT-5.6-Sol 请求被 responses-anthropic 桥间歇性拒收:unsupported_feature / message.content
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Description
**提交人**: イクホウ
**客户端版本**: 0.1.66
---
## 现象
Codex 会话中选择 GPT-5.6-Sol 时,部分用户轮请求被拒收,界面弹出原始错误:
```json
{"error":{"type":"invalid_request_error","code":"unsupported_feature","message":"Responses feature is not supported by the Anthropic bridge: message.content"}}
```
## 复现步骤
1. 打开一个会话,模型选择 Codex · GPT-5.6-Sol;
2. 发送普通文本消息(纯文本、含图片附件两种情况均观察到触发);
3. 间歇性出现上述错误横幅。
## 期望行为
GPT-5.6-Sol 请求应正常完成;若桥接层不支持某特性,应内部降级或给出可读提示,而不是把原始 JSON 抛给用户。
## 实际行为
codex-proxy 的 responses-anthropic bridge 以 unsupported_feature(feature: message.content)拒收请求;同一内容点「重试」后常常能成功。
## 复现频率
在一个超长会话(上下文 8M+ token)中一天触发 7 次以上;新会话是否触发:用户未知(待补)。
## 已尝试
- 重启客户端并安装最新热修复更新:问题仍存在。
- 检查账户限速/用量:无任何 limit 触发。
## 脱敏日志摘要(用户已同意公开)
```
level=warn source=proxy scope=codex-proxy
msg: responses-anthropic bridge rejected unsupported feature
model : gpt-5.6-sol
feature : message.content
level=error source=maker scope=r:maker/error-banner
msg: SDK error surfaced to user {"error":{"type":"invalid_request_error","code":"unsupported_feature","message":"Responses feature is not supported by the Anthropic bridge: message.content"}}
```
同一会话内多次出现;失败请求与随后成功的重试请求内容相同。
---
**OS**: darwin arm64 (25.4.0)
**Harness**: Codex
**Model ID**: ` qwen3.8-max `
**界面语言**: zh-CN
Contributor guide
Research direction
Start by tracing the codex-proxy responses-anthropic bridge and the maker/error-banner path named in the logs. Reproduce with GPT-5.6-Sol and a long conversation, then verify that unsupported message.content responses are handled internally or shown as a readable error rather than raw JSON.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript
- Domain
- api, backend
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100