Dylan Hurd d5694529ca app-server: propagate nested experimental gating for AskForApproval::Reject (#14191)
## Summary
This change makes `AskForApproval::Reject` gate correctly anywhere it
appears inside otherwise-stable app-server protocol types.

Previously, experimental gating for `approval_policy: Reject` was
handled with request-specific logic in `ClientRequest` detection. That
covered a few request params types, but it did not generalize to other
nested uses such as `ProfileV2`, `Config`, `ConfigReadResponse`, or
`ConfigRequirements`.

This PR replaces that ad hoc handling with a generic nested experimental
propagation mechanism.

## Testing

seeing this when run app-server-test-client without experimental api
enabled:
```
 initialize response: InitializeResponse { user_agent: "codex-toy-app-server/0.0.0 (Mac OS 26.3.1; arm64) vscode/2.4.36 (codex-toy-app-server; 0.0.0)" }
> {
>   "id": "50244f6a-270a-425d-ace0-e9e98205bde7",
>   "method": "thread/start",
>   "params": {
>     "approvalPolicy": {
>       "reject": {
>         "mcp_elicitations": false,
>         "request_permissions": true,
>         "rules": false,
>         "sandbox_approval": true
>       }
>     },
>     "baseInstructions": null,
>     "config": null,
>     "cwd": null,
>     "developerInstructions": null,
>     "dynamicTools": null,
>     "ephemeral": null,
>     "experimentalRawEvents": false,
>     "mockExperimentalField": null,
>     "model": null,
>     "modelProvider": null,
>     "persistExtendedHistory": false,
>     "personality": null,
>     "sandbox": null,
>     "serviceName": null
>   }
> }
< {
<   "error": {
<     "code": -32600,
<     "message": "askForApproval.reject requires experimentalApi capability"
<   },
<   "id": "50244f6a-270a-425d-ace0-e9e98205bde7"
< }
[verified] thread/start rejected approvalPolicy=Reject without experimentalApi
```

---------

Co-authored-by: celia-oai <celia@openai.com>
d5694529ca · 2026-03-11 12:33:08 -07:00
4,415 Commits
2026-03-06 14:04:30 -08:00
2026-01-08 07:50:58 -08:00
2025-04-16 12:56:08 -04:00
2026-02-06 14:41:53 +01:00
2026-03-10 04:11:31 +00:00
2025-04-16 12:56:08 -04:00
2026-03-10 04:11:31 +00:00

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