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acrognale-oai 9d4d34d436 Apply shared network policy throughout embedded Codex startup (#47411 )

## Why

Application network restrictions need to cover clients created by the TUI and `codex exec` before embedded app-server startup, and remain effective when configuration is rebuilt.

## What changed

- Introduce `EmbeddedNetworkPolicy` to share live policy between caller-owned transports and the embedded app-server.
- Apply loaded requirements before creating telemetry, background HTTP clients, and executor connections. Limit authentication and cloud configuration bootstrap requests to exact endpoints under local policy.
- Preserve the shared policy across TUI session changes, permission-profile rebuilds, and worktree cloud loaders so existing clients observe policy reloads and failures.
- Document application network policy behavior and transport coverage.

## Testing

Add regression coverage for policy activation, reload failure and recovery, retained policy across TUI rebuilds, rejected OAuth and cloud-policy redirects, and workspace network restrictions with `CODEX_API_KEY`. Also cover retaining the caller-selected project during embedded startup.

GitOrigin-RevId: 629009f087b8cb21fc34a1ee7ea6fe95d9e0f2b5

2026-09-23 00:49:19 +00:00

src

Apply shared network policy throughout embedded Codex startup (#47411 )

2026-09-23 00:49:19 +00:00

BUILD.bazel

fix(bazel) add missing app-server-client BUILD.bazel (#14027 )

2026-03-09 03:42:54 +00:00

Cargo.toml

Add support for UDS in codex --remote (#22414 )

2026-05-12 21:17:20 -07:00

README.md

Prevent unread events from blocking in-process requests (#38381 )

2026-08-13 13:57:25 +00:00

README.md

codex-app-server-client

Shared in-process app-server client used by conversational CLI surfaces:

codex-exec
codex-tui

Purpose

This crate centralizes startup and lifecycle management for an in-process codex-app-server runtime, so CLI clients do not need to duplicate:

app-server bootstrap and initialize handshake
in-memory request/event transport wiring
lifecycle orchestration around caller-provided startup identity
graceful shutdown behavior

Startup identity

Callers pass both the app-server SessionSource and the initialize client_info.name explicitly when starting the facade.

That keeps thread metadata (for example in thread/list and thread/read) aligned with the originating runtime without baking TUI/exec-specific policy into the shared client layer.

Transport model

The in-process path uses typed channels:

client -> server: ClientRequest / ClientNotification
server -> client: InProcessServerEvent
- ServerRequest
- ServerNotification
- LegacyNotification

JSON serialization is still used at external transport boundaries (stdio/websocket), but the in-process hot path is typed.

Typed requests still receive app-server responses through the JSON-RPC result envelope internally. That is intentional: the in-process path is meant to preserve app-server semantics while removing the process boundary, not to introduce a second response contract.

Bootstrap behavior

The client facade starts an already-initialized in-process runtime, but thread bootstrap still follows normal app-server flow:

caller sends thread/start or thread/resume
app-server returns the immediate typed response
richer session metadata may arrive later as a SessionConfigured legacy event

Surfaces such as TUI and exec may therefore need a short bootstrap phase where they reconcile startup response data with later events.

Backpressure and shutdown

Command queues and the embedded runtime remain bounded, using DEFAULT_IN_PROCESS_CHANNEL_CAPACITY by default.
The facade's local consumer event queue is unbounded and preserves notification order. This keeps the worker draining the bounded runtime while a caller waits for a request, preventing unread notifications from blocking its response.
shutdown() performs a bounded graceful shutdown and then aborts if timeout is exceeded.