fix: fully revert agent identity runtime wiring (#18757)

## Summary

This PR fully reverts the previously merged Agent Identity runtime
integration from the old stack:
https://github.com/openai/codex/pull/17387/changes

It removes the Codex-side task lifecycle wiring, rollout/session
persistence, feature flag plumbing, lazy `auth.json` mutation,
background task auth paths, and request callsite changes introduced by
that stack.

This leaves the repo in a clean pre-AgentIdentity integration state so
the follow-up PRs can reintroduce the pieces in smaller reviewable
layers.

## Stack

1. This PR: full revert
2. https://github.com/openai/codex/pull/18871: move Agent Identity
business logic into a crate
3. https://github.com/openai/codex/pull/18785: add explicit
AgentIdentity auth mode and startup task allocation
4. https://github.com/openai/codex/pull/18811: migrate auth callsites
through AuthProvider

## Testing

Tests: targeted Rust checks, cargo-shear, Bazel lock check, and CI.
This commit is contained in:
efrazer-oai authored and GitHub committed 2026-04-21 14:30:55 -07:00
1 parent 69c3d12274
commit be75785504
85 files changed
+334 -5409

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@@ -2,7 +2,6 @@ use super::*;
use crate::session::tests::make_session_configuration_for_tests;
use codex_protocol::protocol::CreditsSnapshot;
use codex_protocol::protocol::RateLimitWindow;
use codex_protocol::protocol::SessionAgentTask;
use pretty_assertions::assert_eq;
#[tokio::test]
@@ -34,37 +33,6 @@ async fn clear_connector_selection_removes_entries() {
assert_eq!(state.get_connector_selection(), HashSet::new());
}
#[tokio::test]
async fn set_agent_task_persists_plaintext_task_for_session_reuse() {
let session_configuration = make_session_configuration_for_tests().await;
let mut state = SessionState::new(session_configuration);
let agent_task = SessionAgentTask {
agent_runtime_id: "agent-123".to_string(),
task_id: "task_123".to_string(),
registered_at: "2026-03-23T12:00:00Z".to_string(),
};
state.set_agent_task(agent_task.clone());
assert_eq!(state.agent_task(), Some(agent_task));
}
#[tokio::test]
async fn clear_agent_task_removes_cached_task() {
let session_configuration = make_session_configuration_for_tests().await;
let mut state = SessionState::new(session_configuration);
let agent_task = SessionAgentTask {
agent_runtime_id: "agent_123".to_string(),
task_id: "task_123".to_string(),
registered_at: "2026-03-23T12:00:00Z".to_string(),
};
state.set_agent_task(agent_task);
state.clear_agent_task();
assert_eq!(state.agent_task(), None);
}
#[tokio::test]
async fn set_rate_limits_defaults_limit_id_to_codex_when_missing() {
let session_configuration = make_session_configuration_for_tests().await;