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app-server: use permission ids and runtime workspace roots (#22611)

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## Why

This PR builds on [#22610](https://github.com/openai/codex/pull/22610)
and is the app-server side of the migration from mutable per-turn
`SandboxPolicy` replacement toward selecting immutable permission
profiles by id plus mutable runtime workspace roots.

Once permission profiles can carry their own immutable
`workspace_roots`, app-server no longer needs to mutate the selected
`PermissionProfile` just to represent thread-specific filesystem
context. The mutable part now lives on the thread as explicit
`runtimeWorkspaceRoots`, while `:workspace_roots` remains symbolic until
the sandbox is realized for a turn.

## What Changed

- Replaced the v2 permission-selection wrapper surface with plain
profile ids for `thread/start`, `thread/resume`, `thread/fork`, and
`turn/start`.
- Removed the API surface for profile modifications
(`PermissionProfileSelectionParams`,
`PermissionProfileModificationParams`,
`ActivePermissionProfileModification`).
- Added experimental `runtimeWorkspaceRoots` fields to the thread
lifecycle and turn-start APIs.
- Threaded runtime workspace roots through core session/thread
snapshots, turn overrides, app-server request handling, and command
execution permission resolution.
- Kept session permission state symbolic so later runtime root updates
and cwd-only implicit-root retargeting rebind `:workspace_roots`
correctly.
- Updated the embedded clients just enough to send and restore the new
thread state.
- Refreshed the generated schema/TypeScript artifacts and the app-server
README to match the new contract.

## Verification

Targeted coverage for this layer lives in:

- `codex-rs/app-server-protocol/src/protocol/v2/tests.rs`
- `codex-rs/app-server/tests/suite/v2/thread_start.rs`
- `codex-rs/app-server/tests/suite/v2/thread_resume.rs`
- `codex-rs/app-server/tests/suite/v2/turn_start.rs`
- `codex-rs/core/src/session/tests.rs`

The key regression checks exercise that:

- `runtimeWorkspaceRoots` resolve against the effective cwd on thread
start.
- Profile-declared workspace roots are excluded from the runtime
workspace roots returned by app-server.
- A turn-level runtime workspace-root update persists onto the thread
and is returned by `thread/resume`.
- A named permission profile selected on one turn remains symbolic so a
later runtime-root-only turn update changes the actual sandbox writes.
- A cwd-only turn update retargets the implicit runtime cwd root while
preserving additional runtime roots.
- The protocol fixtures and generated client artifacts stay in sync with
the string-based permission selection contract.











---
[//]: # (BEGIN SAPLING FOOTER)
Stack created with [Sapling](https://sapling-scm.com). Best reviewed
with [ReviewStack](https://reviewstack.dev/openai/codex/pull/22611).
* #22612
* __->__ #22611
This commit is contained in:
Michael Bolin
2026-05-14 23:00:05 -07:00
committed by GitHub
Unverified
parent e6a7368810
commit 8a5306ff88
58 changed files with 1167 additions and 676 deletions
Download Patch File Download Diff File Expand all files Collapse all files
codex-rs/app-server-protocol/schema/json/ClientRequest.json
Generated
-59
View File
@@ -1850,31 +1850,6 @@
}
]
},
"PermissionProfileModificationParams": {
"oneOf": [
{
"description": "Additional concrete directory that should be writable.",
"properties": {
"path": {
"$ref": "#/definitions/AbsolutePathBuf"
},
"type": {
"enum": [
"additionalWritableRoot"
],
"title": "AdditionalWritableRootPermissionProfileModificationParamsType",
"type": "string"
}
},
"required": [
"path",
"type"
],
"title": "AdditionalWritableRootPermissionProfileModificationParams",
"type": "object"
}
]
},
"PermissionProfileNetworkPermissions": {
"properties": {
"enabled": {
@@ -1886,40 +1861,6 @@
],
"type": "object"
},
"PermissionProfileSelectionParams": {
"oneOf": [
{
"description": "Select a named built-in or user-defined profile and optionally apply bounded modifications that Codex knows how to validate.",
"properties": {
"id": {
"type": "string"
},
"modifications": {
"items": {
"$ref": "#/definitions/PermissionProfileModificationParams"
},
"type": [
"array",
"null"
]
},
"type": {
"enum": [
"profile"
],
"title": "ProfilePermissionProfileSelectionParamsType",
"type": "string"
}
},
"required": [
"id",
"type"
],
"title": "ProfilePermissionProfileSelectionParams",
"type": "object"
}
]
},
"Personality": {
"enum": [
"none",
codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.schemas.json
Generated
-59
View File
@@ -11739,31 +11739,6 @@
}
]
},
"PermissionProfileModificationParams": {
"oneOf": [
{
"description": "Additional concrete directory that should be writable.",
"properties": {
"path": {
"$ref": "#/definitions/v2/AbsolutePathBuf"
},
"type": {
"enum": [
"additionalWritableRoot"
],
"title": "AdditionalWritableRootPermissionProfileModificationParamsType",
"type": "string"
}
},
"required": [
"path",
"type"
],
"title": "AdditionalWritableRootPermissionProfileModificationParams",
"type": "object"
}
]
},
"PermissionProfileNetworkPermissions": {
"properties": {
"enabled": {
@@ -11775,40 +11750,6 @@
],
"type": "object"
},
"PermissionProfileSelectionParams": {
"oneOf": [
{
"description": "Select a named built-in or user-defined profile and optionally apply bounded modifications that Codex knows how to validate.",
"properties": {
"id": {
"type": "string"
},
"modifications": {
"items": {
"$ref": "#/definitions/v2/PermissionProfileModificationParams"
},
"type": [
"array",
"null"
]
},
"type": {
"enum": [
"profile"
],
"title": "ProfilePermissionProfileSelectionParamsType",
"type": "string"
}
},
"required": [
"id",
"type"
],
"title": "ProfilePermissionProfileSelectionParams",
"type": "object"
}
]
},
"Personality": {
"enum": [
"none",
codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.v2.schemas.json
Generated
-59
View File
@@ -8288,31 +8288,6 @@
}
]
},
"PermissionProfileModificationParams": {
"oneOf": [
{
"description": "Additional concrete directory that should be writable.",
"properties": {
"path": {
"$ref": "#/definitions/AbsolutePathBuf"
},
"type": {
"enum": [
"additionalWritableRoot"
],
"title": "AdditionalWritableRootPermissionProfileModificationParamsType",
"type": "string"
}
},
"required": [
"path",
"type"
],
"title": "AdditionalWritableRootPermissionProfileModificationParams",
"type": "object"
}
]
},
"PermissionProfileNetworkPermissions": {
"properties": {
"enabled": {
@@ -8324,40 +8299,6 @@
],
"type": "object"
},
"PermissionProfileSelectionParams": {
"oneOf": [
{
"description": "Select a named built-in or user-defined profile and optionally apply bounded modifications that Codex knows how to validate.",
"properties": {
"id": {
"type": "string"
},
"modifications": {
"items": {
"$ref": "#/definitions/PermissionProfileModificationParams"
},
"type": [
"array",
"null"
]
},
"type": {
"enum": [
"profile"
],
"title": "ProfilePermissionProfileSelectionParamsType",
"type": "string"
}
},
"required": [
"id",
"type"
],
"title": "ProfilePermissionProfileSelectionParams",
"type": "object"
}
]
},
"Personality": {
"enum": [
"none",
codex-rs/app-server-protocol/schema/json/v2/ThreadForkParams.json
Generated
-63
View File
@@ -1,10 +1,6 @@
{
"$schema": "http://json-schema.org/draft-07/schema#",
"definitions": {
"AbsolutePathBuf": {
"description": "A path that is guaranteed to be absolute and normalized (though it is not guaranteed to be canonicalized or exist on the filesystem).\n\nIMPORTANT: When deserializing an `AbsolutePathBuf`, a base path must be set using [AbsolutePathBufGuard::new]. If no base path is set, the deserialization will fail unless the path being deserialized is already absolute.",
"type": "string"
},
"ApprovalsReviewer": {
"description": "Configures who approval requests are routed to for review. Examples include sandbox escapes, blocked network access, MCP approval prompts, and ARC escalations. Defaults to `user`. `auto_review` uses a carefully prompted subagent to gather relevant context and apply a risk-based decision framework before approving or denying the request. The legacy value `guardian_subagent` is accepted for compatibility.",
"enum": [
@@ -64,65 +60,6 @@
}
]
},
"PermissionProfileModificationParams": {
"oneOf": [
{
"description": "Additional concrete directory that should be writable.",
"properties": {
"path": {
"$ref": "#/definitions/AbsolutePathBuf"
},
"type": {
"enum": [
"additionalWritableRoot"
],
"title": "AdditionalWritableRootPermissionProfileModificationParamsType",
"type": "string"
}
},
"required": [
"path",
"type"
],
"title": "AdditionalWritableRootPermissionProfileModificationParams",
"type": "object"
}
]
},
"PermissionProfileSelectionParams": {
"oneOf": [
{
"description": "Select a named built-in or user-defined profile and optionally apply bounded modifications that Codex knows how to validate.",
"properties": {
"id": {
"type": "string"
},
"modifications": {
"items": {
"$ref": "#/definitions/PermissionProfileModificationParams"
},
"type": [
"array",
"null"
]
},
"type": {
"enum": [
"profile"
],
"title": "ProfilePermissionProfileSelectionParamsType",
"type": "string"
}
},
"required": [
"id",
"type"
],
"title": "ProfilePermissionProfileSelectionParams",
"type": "object"
}
]
},
"SandboxMode": {
"enum": [
"read-only",
codex-rs/app-server-protocol/schema/json/v2/ThreadResumeParams.json
Generated
-63
View File
@@ -1,10 +1,6 @@
{
"$schema": "http://json-schema.org/draft-07/schema#",
"definitions": {
"AbsolutePathBuf": {
"description": "A path that is guaranteed to be absolute and normalized (though it is not guaranteed to be canonicalized or exist on the filesystem).\n\nIMPORTANT: When deserializing an `AbsolutePathBuf`, a base path must be set using [AbsolutePathBufGuard::new]. If no base path is set, the deserialization will fail unless the path being deserialized is already absolute.",
"type": "string"
},
"ApprovalsReviewer": {
"description": "Configures who approval requests are routed to for review. Examples include sandbox escapes, blocked network access, MCP approval prompts, and ARC escalations. Defaults to `user`. `auto_review` uses a carefully prompted subagent to gather relevant context and apply a risk-based decision framework before approving or denying the request. The legacy value `guardian_subagent` is accepted for compatibility.",
"enum": [
@@ -298,65 +294,6 @@
}
]
},
"PermissionProfileModificationParams": {
"oneOf": [
{
"description": "Additional concrete directory that should be writable.",
"properties": {
"path": {
"$ref": "#/definitions/AbsolutePathBuf"
},
"type": {
"enum": [
"additionalWritableRoot"
],
"title": "AdditionalWritableRootPermissionProfileModificationParamsType",
"type": "string"
}
},
"required": [
"path",
"type"
],
"title": "AdditionalWritableRootPermissionProfileModificationParams",
"type": "object"
}
]
},
"PermissionProfileSelectionParams": {
"oneOf": [
{
"description": "Select a named built-in or user-defined profile and optionally apply bounded modifications that Codex knows how to validate.",
"properties": {
"id": {
"type": "string"
},
"modifications": {
"items": {
"$ref": "#/definitions/PermissionProfileModificationParams"
},
"type": [
"array",
"null"
]
},
"type": {
"enum": [
"profile"
],
"title": "ProfilePermissionProfileSelectionParamsType",
"type": "string"
}
},
"required": [
"id",
"type"
],
"title": "ProfilePermissionProfileSelectionParams",
"type": "object"
}
]
},
"Personality": {
"enum": [
"none",
codex-rs/app-server-protocol/schema/json/v2/ThreadStartParams.json
Generated
-59
View File
@@ -90,65 +90,6 @@
],
"type": "object"
},
"PermissionProfileModificationParams": {
"oneOf": [
{
"description": "Additional concrete directory that should be writable.",
"properties": {
"path": {
"$ref": "#/definitions/AbsolutePathBuf"
},
"type": {
"enum": [
"additionalWritableRoot"
],
"title": "AdditionalWritableRootPermissionProfileModificationParamsType",
"type": "string"
}
},
"required": [
"path",
"type"
],
"title": "AdditionalWritableRootPermissionProfileModificationParams",
"type": "object"
}
]
},
"PermissionProfileSelectionParams": {
"oneOf": [
{
"description": "Select a named built-in or user-defined profile and optionally apply bounded modifications that Codex knows how to validate.",
"properties": {
"id": {
"type": "string"
},
"modifications": {
"items": {
"$ref": "#/definitions/PermissionProfileModificationParams"
},
"type": [
"array",
"null"
]
},
"type": {
"enum": [
"profile"
],
"title": "ProfilePermissionProfileSelectionParamsType",
"type": "string"
}
},
"required": [
"id",
"type"
],
"title": "ProfilePermissionProfileSelectionParams",
"type": "object"
}
]
},
"Personality": {
"enum": [
"none",
codex-rs/app-server-protocol/schema/json/v2/TurnStartParams.json
Generated
-59
View File
@@ -114,65 +114,6 @@
],
"type": "string"
},
"PermissionProfileModificationParams": {
"oneOf": [
{
"description": "Additional concrete directory that should be writable.",
"properties": {
"path": {
"$ref": "#/definitions/AbsolutePathBuf"
},
"type": {
"enum": [
"additionalWritableRoot"
],
"title": "AdditionalWritableRootPermissionProfileModificationParamsType",
"type": "string"
}
},
"required": [
"path",
"type"
],
"title": "AdditionalWritableRootPermissionProfileModificationParams",
"type": "object"
}
]
},
"PermissionProfileSelectionParams": {
"oneOf": [
{
"description": "Select a named built-in or user-defined profile and optionally apply bounded modifications that Codex knows how to validate.",
"properties": {
"id": {
"type": "string"
},
"modifications": {
"items": {
"$ref": "#/definitions/PermissionProfileModificationParams"
},
"type": [
"array",
"null"
]
},
"type": {
"enum": [
"profile"
],
"title": "ProfilePermissionProfileSelectionParamsType",
"type": "string"
}
},
"required": [
"id",
"type"
],
"title": "ProfilePermissionProfileSelectionParams",
"type": "object"
}
]
},
"Personality": {
"enum": [
"none",
codex-rs/app-server-protocol/schema/typescript/v2/PermissionProfileModificationParams.ts
Generated
-6
View File
@@ -1,6 +0,0 @@
// GENERATED CODE! DO NOT MODIFY BY HAND!
// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
import type { AbsolutePathBuf } from "../AbsolutePathBuf";
export type PermissionProfileModificationParams = { "type": "additionalWritableRoot", path: AbsolutePathBuf, };
codex-rs/app-server-protocol/schema/typescript/v2/PermissionProfileSelectionParams.ts
Generated
-6
View File
@@ -1,6 +0,0 @@
// GENERATED CODE! DO NOT MODIFY BY HAND!
// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
import type { PermissionProfileModificationParams } from "./PermissionProfileModificationParams";
export type PermissionProfileSelectionParams = { "type": "profile", id: string, modifications?: Array<PermissionProfileModificationParams> | null, };
codex-rs/app-server-protocol/schema/typescript/v2/index.ts
Generated
-2
View File
@@ -257,9 +257,7 @@ export type { PatchChangeKind } from "./PatchChangeKind";
export type { PermissionGrantScope } from "./PermissionGrantScope";
export type { PermissionProfile } from "./PermissionProfile";
export type { PermissionProfileFileSystemPermissions } from "./PermissionProfileFileSystemPermissions";
export type { PermissionProfileModificationParams } from "./PermissionProfileModificationParams";
export type { PermissionProfileNetworkPermissions } from "./PermissionProfileNetworkPermissions";
export type { PermissionProfileSelectionParams } from "./PermissionProfileSelectionParams";
export type { PermissionsRequestApprovalParams } from "./PermissionsRequestApprovalParams";
export type { PermissionsRequestApprovalResponse } from "./PermissionsRequestApprovalResponse";
export type { PlanDeltaNotification } from "./PlanDeltaNotification";