Log multi-agent communication lifecycle

This commit is contained in:
Michael Bolin
2026-07-01 17:08:27 -07:00
parent a98a21798c
commit 2af759b764
15 changed files with 332 additions and 107 deletions

View File

@@ -4,6 +4,8 @@ use crate::agent::registry::AgentRegistry;
use crate::agent::role::DEFAULT_ROLE_NAME;
use crate::agent::role::resolve_role_config;
use crate::agent::status::is_final;
use crate::agent_communication::AgentCommunicationContext;
use crate::agent_communication::AgentCommunicationKind;
use crate::codex_thread::ThreadConfigSnapshot;
use crate::config::Config;
use crate::config::RolloutBudgetConfig;
@@ -139,12 +141,12 @@ impl AgentControl {
pub(crate) async fn send_input(
&self,
agent_id: ThreadId,
initial_operation: Op,
input: Vec<UserInput>,
) -> CodexResult<String> {
let state = self.upgrade()?;
self.ensure_execution_capacity_for_op(agent_id, &initial_operation)
self.ensure_execution_capacity_for_turn_start(agent_id, /*starts_turn*/ true)
.await?;
self.send_input_after_capacity_check(agent_id, &state, initial_operation)
self.send_input_after_capacity_check(agent_id, &state, input)
.await
}
@@ -152,20 +154,14 @@ impl AgentControl {
&self,
agent_id: ThreadId,
state: &Arc<ThreadManagerState>,
initial_operation: Op,
input: Vec<UserInput>,
) -> CodexResult<String> {
if let Op::InterAgentCommunication { communication } = initial_operation {
return self
.submit_inter_agent_communication(agent_id, state, communication)
.await;
}
let last_task_message = non_empty_task_message(render_input_preview(&initial_operation));
let last_task_message = non_empty_task_message(render_input_preview(&input));
let result = self
.handle_thread_request_result(
agent_id,
state,
state.send_op(agent_id, initial_operation).await,
state.send_op(agent_id, input.into()).await,
)
.await;
if result.is_ok() {
@@ -183,8 +179,28 @@ impl AgentControl {
&self,
agent_id: ThreadId,
communication: InterAgentCommunication,
agent_communication_context: AgentCommunicationContext,
) -> CodexResult<String> {
self.send_input(agent_id, Op::InterAgentCommunication { communication })
let state = self.upgrade()?;
self.ensure_execution_capacity_for_turn_start(agent_id, communication.trigger_turn)
.await?;
self.send_inter_agent_communication_after_capacity_check(
agent_id,
&state,
communication,
agent_communication_context,
)
.await
}
async fn send_inter_agent_communication_after_capacity_check(
&self,
agent_id: ThreadId,
state: &Arc<ThreadManagerState>,
communication: InterAgentCommunication,
context: AgentCommunicationContext,
) -> CodexResult<String> {
self.submit_inter_agent_communication(agent_id, state, communication, context)
.await
}
@@ -193,8 +209,11 @@ impl AgentControl {
agent_id: ThreadId,
state: &Arc<ThreadManagerState>,
communication: InterAgentCommunication,
context: AgentCommunicationContext,
) -> CodexResult<String> {
let last_task_message = last_task_message_from_communication(&communication);
let communication_for_log =
crate::agent_communication::logging_enabled().then(|| communication.clone());
let result = self
.handle_thread_request_result(
agent_id,
@@ -204,6 +223,16 @@ impl AgentControl {
.await,
)
.await;
if let (Some(communication), Ok(communication_id)) =
(communication_for_log, result.as_ref())
{
crate::agent_communication::emit_agent_communication_send(
communication_id,
&context,
&communication,
agent_id,
);
}
if result.is_ok() {
match last_task_message {
Some(last_task_message) => self
@@ -494,8 +523,10 @@ impl AgentControl {
message,
/*trigger_turn*/ false,
);
let context =
AgentCommunicationContext::new(AgentCommunicationKind::Result, child_thread_id);
let _ = control
.send_inter_agent_communication(parent_thread_id, communication)
.send_inter_agent_communication(parent_thread_id, communication, context)
.await;
return;
}
@@ -720,27 +751,23 @@ fn agent_matches_prefix(agent_path: Option<&AgentPath>, prefix: &AgentPath) -> b
})
}
pub(crate) fn render_input_preview(initial_operation: &Op) -> String {
match initial_operation {
Op::UserInput { items, .. } => items
.iter()
.map(|item| match item {
UserInput::Text { text, .. } => text.clone(),
UserInput::Image { .. } => "[image]".to_string(),
UserInput::LocalImage { path, .. } => {
format!("[local_image:{}]", path.display())
}
UserInput::Skill { name, path, .. } => {
format!("[skill:${name}]({})", path.display())
}
UserInput::Mention { name, path, .. } => format!("[mention:${name}]({path})"),
_ => "[input]".to_string(),
})
.collect::<Vec<_>>()
.join("\n"),
Op::InterAgentCommunication { communication } => communication.content.clone(),
_ => String::new(),
}
pub(crate) fn render_input_preview(input: &[UserInput]) -> String {
input
.iter()
.map(|item| match item {
UserInput::Text { text, .. } => text.clone(),
UserInput::Image { .. } => "[image]".to_string(),
UserInput::LocalImage { path, .. } => {
format!("[local_image:{}]", path.display())
}
UserInput::Skill { name, path, .. } => {
format!("[skill:${name}]({})", path.display())
}
UserInput::Mention { name, path, .. } => format!("[mention:${name}]({path})"),
_ => "[input]".to_string(),
})
.collect::<Vec<_>>()
.join("\n")
}
fn last_task_message_from_communication(communication: &InterAgentCommunication) -> Option<String> {

View File

@@ -32,7 +32,16 @@ impl AgentControl {
thread_id: ThreadId,
op: &Op,
) -> CodexResult<()> {
if !op_starts_turn(op) {
self.ensure_execution_capacity_for_turn_start(thread_id, op_starts_turn(op))
.await
}
pub(super) async fn ensure_execution_capacity_for_turn_start(
&self,
thread_id: ThreadId,
starts_turn: bool,
) -> CodexResult<()> {
if !starts_turn {
return Ok(());
}
let state = self.upgrade()?;

View File

@@ -9,6 +9,17 @@ struct SpawnAgentThreadInheritance {
exec_policy: Option<Arc<crate::exec_policy::ExecPolicyManager>>,
}
/// Initial input delivered after a spawned agent acquires execution capacity.
///
/// V2 communication spawns keep the communication and its context paired so centralized
/// submission and lifecycle logging cannot receive one without the other. Other spawn sources
/// provide user input directly, making an uncontextualized inter-agent communication
/// unrepresentable.
enum SpawnInitialInput {
UserInput(Vec<UserInput>),
InterAgentCommunication(InterAgentCommunication, AgentCommunicationContext),
}
fn default_agent_nickname_list() -> Vec<&'static str> {
AGENT_NAMES
.lines()
@@ -89,12 +100,12 @@ impl AgentControl {
pub(crate) async fn spawn_agent(
&self,
config: Config,
initial_operation: Op,
initial_input: Vec<UserInput>,
session_source: Option<SessionSource>,
) -> CodexResult<ThreadId> {
let spawned_agent = Box::pin(self.spawn_agent_internal(
config,
initial_operation,
SpawnInitialInput::UserInput(initial_input),
session_source,
SpawnAgentOptions::default(),
))
@@ -106,12 +117,34 @@ impl AgentControl {
pub(crate) async fn spawn_agent_with_metadata(
&self,
config: Config,
initial_operation: Op,
initial_input: Vec<UserInput>,
session_source: Option<SessionSource>,
options: SpawnAgentOptions, // TODO(jif) drop with new fork.
) -> CodexResult<LiveAgent> {
Box::pin(self.spawn_agent_internal(config, initial_operation, session_source, options))
.await
Box::pin(self.spawn_agent_internal(
config,
SpawnInitialInput::UserInput(initial_input),
session_source,
options,
))
.await
}
pub(crate) async fn spawn_agent_with_communication(
&self,
config: Config,
communication: InterAgentCommunication,
context: AgentCommunicationContext,
session_source: Option<SessionSource>,
options: SpawnAgentOptions,
) -> CodexResult<LiveAgent> {
Box::pin(self.spawn_agent_internal(
config,
SpawnInitialInput::InterAgentCommunication(communication, context),
session_source,
options,
))
.await
}
pub(crate) async fn ensure_v2_agent_loaded(
@@ -197,7 +230,7 @@ impl AgentControl {
async fn spawn_agent_internal(
&self,
config: Config,
initial_operation: Op,
initial_input: SpawnInitialInput,
session_source: Option<SessionSource>,
options: SpawnAgentOptions,
) -> CodexResult<LiveAgent> {
@@ -356,8 +389,21 @@ impl AgentControl {
)
.await;
self.send_input_after_capacity_check(new_thread.thread_id, &state, initial_operation)
.await?;
match initial_input {
SpawnInitialInput::UserInput(input) => {
self.send_input_after_capacity_check(new_thread.thread_id, &state, input)
.await?;
}
SpawnInitialInput::InterAgentCommunication(communication, context) => {
self.send_inter_agent_communication_after_capacity_check(
new_thread.thread_id,
&state,
communication,
context,
)
.await?;
}
}
if multi_agent_version != MultiAgentVersion::V2 {
let child_reference = agent_metadata
.agent_path

View File

@@ -3,6 +3,8 @@ use crate::CodexThread;
use crate::StateDbHandle;
use crate::ThreadManager;
use crate::agent::agent_status_from_event;
use crate::agent_communication::AgentCommunicationContext;
use crate::agent_communication::AgentCommunicationKind;
use crate::config::AgentRoleConfig;
use crate::config::Config;
use crate::config::ConfigBuilder;
@@ -65,12 +67,11 @@ async fn test_config() -> (TempDir, Config) {
test_config_with_cli_overrides(Vec::new()).await
}
fn text_input(text: &str) -> Op {
fn text_input(text: &str) -> Vec<UserInput> {
vec![UserInput::Text {
text: text.to_string(),
text_elements: Vec::new(),
}]
.into()
}
fn assistant_message(text: &str, phase: Option<MessagePhase>) -> ResponseItem {
@@ -311,8 +312,7 @@ async fn send_input_errors_when_manager_dropped() {
vec![UserInput::Text {
text: "hello".to_string(),
text_elements: Vec::new(),
}]
.into(),
}],
)
.await
.expect_err("send_input should fail without a manager");
@@ -423,8 +423,7 @@ async fn send_input_errors_when_thread_missing() {
vec![UserInput::Text {
text: "hello".to_string(),
text_elements: Vec::new(),
}]
.into(),
}],
)
.await
.expect_err("send_input should fail for missing thread");
@@ -490,8 +489,7 @@ async fn send_input_submits_user_message() {
vec![UserInput::Text {
text: "hello from tests".to_string(),
text_elements: Vec::new(),
}]
.into(),
}],
)
.await
.expect("send_input should succeed");
@@ -531,7 +529,11 @@ async fn send_inter_agent_communication_without_turn_queues_message_without_trig
let submission_id = harness
.control
.send_inter_agent_communication(thread_id, communication.clone())
.send_inter_agent_communication(
thread_id,
communication.clone(),
AgentCommunicationContext::new(AgentCommunicationKind::Message, ThreadId::new()),
)
.await
.expect("send_inter_agent_communication should succeed");
assert!(!submission_id.is_empty());
@@ -656,7 +658,11 @@ async fn ensure_v2_agent_loaded_reloads_registered_unloaded_agent() {
);
harness
.control
.send_inter_agent_communication(spawned_agent.thread_id, communication.clone())
.send_inter_agent_communication(
spawned_agent.thread_id,
communication.clone(),
AgentCommunicationContext::new(AgentCommunicationKind::Message, ThreadId::new()),
)
.await
.expect("send_inter_agent_communication should succeed after reload");
let expected = (
@@ -803,7 +809,11 @@ async fn encrypted_inter_agent_communication_clears_existing_last_task_message()
);
harness
.control
.send_inter_agent_communication(spawned_agent.thread_id, communication)
.send_inter_agent_communication(
spawned_agent.thread_id,
communication,
AgentCommunicationContext::new(AgentCommunicationKind::Followup, ThreadId::new()),
)
.await
.expect("send_inter_agent_communication should succeed");

View File

@@ -0,0 +1,79 @@
use codex_protocol::ThreadId;
use codex_protocol::protocol::InterAgentCommunication;
const AGENT_COMMUNICATION_TARGET: &str = "codex_otel.agent_communication";
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub(crate) enum AgentCommunicationKind {
Spawn,
Message,
Followup,
Result,
}
impl AgentCommunicationKind {
fn as_str(self) -> &'static str {
match self {
Self::Spawn => "spawn",
Self::Message => "message",
Self::Followup => "followup",
Self::Result => "result",
}
}
}
#[derive(Clone, Debug, PartialEq, Eq)]
pub(crate) struct AgentCommunicationContext {
kind: AgentCommunicationKind,
sender_thread_id: ThreadId,
}
impl AgentCommunicationContext {
pub(crate) fn new(kind: AgentCommunicationKind, sender_thread_id: ThreadId) -> Self {
Self {
kind,
sender_thread_id,
}
}
}
pub(crate) fn logging_enabled() -> bool {
tracing::enabled!(target: AGENT_COMMUNICATION_TARGET, tracing::Level::INFO)
}
pub(crate) fn emit_agent_communication_send(
communication_id: &str,
context: &AgentCommunicationContext,
communication: &InterAgentCommunication,
receiver_thread_id: ThreadId,
) {
tracing::info!(
target: AGENT_COMMUNICATION_TARGET,
{
event.name = "codex.agent_communication",
communication_id,
kind = context.kind.as_str(),
state = "send",
sender_thread_id = %context.sender_thread_id,
receiver_thread_id = %receiver_thread_id,
content = if communication.content.is_empty() {
communication.encrypted_content.as_deref().unwrap_or_default()
} else {
communication.content.as_str()
},
},
"agent communication"
);
}
pub(crate) fn emit_agent_communication_receive(communication_id: &str) {
tracing::info!(
target: AGENT_COMMUNICATION_TARGET,
{
event.name = "codex.agent_communication",
communication_id,
state = "receive",
},
"agent communication"
);
}

View File

@@ -31,6 +31,7 @@ pub use codex_thread::TryStartTurnIfIdleError;
pub use codex_thread::TryStartTurnIfIdleRejectionReason;
pub use session::turn_context::TurnContext;
mod agent;
mod agent_communication;
mod attestation;
mod codex_delegate;
mod command_canonicalization;

View File

@@ -285,6 +285,7 @@ pub async fn inter_agent_communication(
sess.input_queue
.enqueue_mailbox_communication(communication)
.await;
crate::agent_communication::emit_agent_communication_receive(&sub_id);
if trigger_turn {
sess.maybe_start_turn_for_pending_work_with_sub_id(sub_id)
.await;

View File

@@ -14,6 +14,8 @@ use crate::agent::AgentControl;
use crate::agent::AgentStatus;
use crate::agent::agent_status_from_event;
use crate::agent::status::is_final;
use crate::agent_communication::AgentCommunicationContext;
use crate::agent_communication::AgentCommunicationKind;
use crate::attestation::AttestationProvider;
use crate::build_available_skills;
use crate::compact;
@@ -1867,10 +1869,12 @@ impl Session {
message,
/*trigger_turn*/ false,
);
let context =
AgentCommunicationContext::new(AgentCommunicationKind::Result, self.thread_id);
if let Err(err) = self
.services
.agent_control
.send_inter_agent_communication(parent_thread_id, communication)
.send_inter_agent_communication(parent_thread_id, communication, context)
.await
{
debug!("failed to notify parent thread {parent_thread_id}: {err}");

View File

@@ -203,7 +203,7 @@ async fn run_agent_job_loop(
.agent_control
.spawn_agent_with_metadata(
options.spawn_config.clone(),
items.into(),
items,
Some(SessionSource::SubAgent(SubAgentSource::Other(format!(
"agent_job:{job_id}"
)))),

View File

@@ -18,7 +18,6 @@ use codex_protocol::openai_models::ReasoningEffort;
use codex_protocol::openai_models::ReasoningEffortPreset;
use codex_protocol::protocol::CollabAgentRef;
use codex_protocol::protocol::CollabAgentStatusEntry;
use codex_protocol::protocol::Op;
use codex_protocol::protocol::SessionSource;
use codex_protocol::protocol::SubAgentSource;
use codex_protocol::user_input::UserInput;
@@ -163,7 +162,7 @@ pub(crate) fn thread_spawn_source(
pub(crate) fn parse_collab_input(
message: Option<String>,
items: Option<Vec<UserInput>>,
) -> Result<Op, FunctionCallError> {
) -> Result<Vec<UserInput>, FunctionCallError> {
match (message, items) {
(Some(_), Some(_)) => Err(FunctionCallError::RespondToModel(
"Provide either message or items, but not both".to_string(),
@@ -180,8 +179,7 @@ pub(crate) fn parse_collab_input(
Ok(vec![UserInput::Text {
text: message,
text_elements: Vec::new(),
}]
.into())
}])
}
(None, Some(items)) => {
if items.is_empty() {
@@ -189,7 +187,7 @@ pub(crate) fn parse_collab_input(
"Items can't be empty".to_string(),
));
}
Ok(items.into())
Ok(items)
}
}
}

View File

@@ -1377,8 +1377,7 @@ async fn multi_agent_v2_send_message_accepts_root_target_from_child() {
vec![UserInput::Text {
text: "inspect this repo".to_string(),
text_elements: Vec::new(),
}]
.into(),
}],
Some(SessionSource::SubAgent(SubAgentSource::ThreadSpawn {
parent_thread_id: root.thread_id,
depth: 1,
@@ -1454,8 +1453,7 @@ async fn multi_agent_v2_followup_task_rejects_root_target_from_child() {
vec![UserInput::Text {
text: "inspect this repo".to_string(),
text_elements: Vec::new(),
}]
.into(),
}],
Some(SessionSource::SubAgent(SubAgentSource::ThreadSpawn {
parent_thread_id: root.thread_id,
depth: 1,
@@ -1626,8 +1624,7 @@ async fn multi_agent_v2_list_agents_filters_by_relative_path_prefix() {
vec![UserInput::Text {
text: "research".to_string(),
text_elements: Vec::new(),
}]
.into(),
}],
Some(SessionSource::SubAgent(SubAgentSource::ThreadSpawn {
parent_thread_id: root.thread_id,
depth: 1,
@@ -1647,8 +1644,7 @@ async fn multi_agent_v2_list_agents_filters_by_relative_path_prefix() {
vec![UserInput::Text {
text: "build".to_string(),
text_elements: Vec::new(),
}]
.into(),
}],
Some(SessionSource::SubAgent(SubAgentSource::ThreadSpawn {
parent_thread_id: root.thread_id,
depth: 2,
@@ -4097,8 +4093,7 @@ async fn multi_agent_v2_interrupt_agent_rejects_self_target_by_id() {
vec![UserInput::Text {
text: "inspect this repo".to_string(),
text_elements: Vec::new(),
}]
.into(),
}],
Some(SessionSource::SubAgent(SubAgentSource::ThreadSpawn {
parent_thread_id: root.thread_id,
depth: 1,
@@ -4165,8 +4160,7 @@ async fn multi_agent_v2_interrupt_agent_rejects_self_target_by_task_name() {
vec![UserInput::Text {
text: "inspect this repo".to_string(),
text_elements: Vec::new(),
}]
.into(),
}],
Some(SessionSource::SubAgent(SubAgentSource::ThreadSpawn {
parent_thread_id: root.thread_id,
depth: 1,

View File

@@ -19,7 +19,6 @@ use codex_protocol::protocol::CollabWaitingEndEvent;
use codex_protocol::protocol::InterAgentCommunication;
use codex_protocol::protocol::SubAgentActivityEvent;
use codex_protocol::protocol::SubAgentActivityKind;
use codex_protocol::user_input::UserInput;
use codex_tools::ToolName;
use serde::Deserialize;
use serde::Serialize;

View File

@@ -4,6 +4,8 @@
//! resulting `InterAgentCommunication` should wake the target immediately.
use super::*;
use crate::agent_communication::AgentCommunicationContext;
use crate::agent_communication::AgentCommunicationKind;
use crate::tools::context::FunctionToolOutput;
use crate::turn_timing::now_unix_timestamp_ms;
use codex_protocol::protocol::InterAgentCommunication;
@@ -46,7 +48,7 @@ pub(crate) struct FollowupTaskArgs {
pub(crate) message: String,
}
fn message_content(message: String) -> Result<String, FunctionCallError> {
pub(super) fn message_content(message: String) -> Result<String, FunctionCallError> {
if message.trim().is_empty() {
return Err(FunctionCallError::RespondToModel(
"Empty message can't be sent to an agent".to_string(),
@@ -101,10 +103,15 @@ pub(crate) async fn handle_message_string_tool(
.unwrap_or_else(AgentPath::root);
let communication =
communication_from_tool_message(author, receiver_agent_path.clone(), message);
let kind = match mode {
MessageDeliveryMode::QueueOnly => AgentCommunicationKind::Message,
MessageDeliveryMode::TriggerTurn => AgentCommunicationKind::Followup,
};
let context = AgentCommunicationContext::new(kind, session.thread_id);
let result = session
.services
.agent_control
.send_inter_agent_communication(receiver_thread_id, mode.apply(communication))
.send_inter_agent_communication(receiver_thread_id, mode.apply(communication), context)
.await
.map_err(|err| collab_agent_error(receiver_thread_id, err));
result?;

View File

@@ -4,11 +4,13 @@ use crate::agent::control::SpawnAgentOptions;
use crate::agent::next_thread_spawn_depth;
use crate::agent::role::DEFAULT_ROLE_NAME;
use crate::agent::role::apply_role_to_config;
use crate::agent_communication::AgentCommunicationContext;
use crate::agent_communication::AgentCommunicationKind;
use crate::tools::handlers::multi_agents_spec::SpawnAgentToolOptions;
use crate::tools::handlers::multi_agents_spec::create_spawn_agent_tool_v2;
use crate::tools::handlers::multi_agents_v2::message_tool::message_content;
use crate::turn_timing::now_unix_timestamp_ms;
use codex_protocol::AgentPath;
use codex_protocol::protocol::Op;
use codex_tools::ToolSpec;
#[derive(Default)]
@@ -55,8 +57,7 @@ async fn handle_spawn_agent(
.map(str::trim)
.filter(|role| !role.is_empty());
let message = args.message.clone();
let initial_operation = parse_collab_input(Some(args.message), /*items*/ None)?;
let message = message_content(args.message)?;
let session_source = turn.session_source.clone();
let child_depth = next_thread_spawn_depth(&session_source);
let mut config =
@@ -104,33 +105,28 @@ async fn handle_spawn_agent(
"spawned agent is missing a canonical task name".to_string(),
)
})?;
let author = turn
.session_source
.get_agent_path()
.unwrap_or_else(AgentPath::root);
let communication = communication_from_tool_message(author, new_agent_path.clone(), message);
let context = AgentCommunicationContext::new(AgentCommunicationKind::Spawn, session.thread_id);
let spawned_agent = Box::pin(
session.services.agent_control.spawn_agent_with_metadata(
config,
match initial_operation {
Op::UserInput { items, .. }
if items
.iter()
.all(|item| matches!(item, UserInput::Text { .. })) =>
{
let author = turn
.session_source
.get_agent_path()
.unwrap_or_else(AgentPath::root);
let communication =
communication_from_tool_message(author, new_agent_path.clone(), message);
Op::InterAgentCommunication { communication }
}
initial_operation => initial_operation,
},
Some(spawn_source),
SpawnAgentOptions {
fork_parent_spawn_call_id: fork_mode.as_ref().map(|_| call_id.clone()),
fork_mode,
parent_thread_id: Some(session.thread_id),
environments: Some(turn.environments.to_selections()),
},
),
session
.services
.agent_control
.spawn_agent_with_communication(
config,
communication,
context,
Some(spawn_source),
SpawnAgentOptions {
fork_parent_spawn_call_id: fork_mode.as_ref().map(|_| call_id.clone()),
fork_mode,
parent_thread_id: Some(session.thread_id),
environments: Some(turn.environments.to_selections()),
},
),
)
.await
.map_err(collab_spawn_error)?;

View File

@@ -39,10 +39,13 @@ use serde_json::Value;
use serde_json::json;
use std::fs;
use std::path::Path;
use std::sync::Mutex;
use std::time::Duration;
use test_case::test_case;
use tokio::time::Instant;
use tokio::time::sleep;
use tracing::Level;
use tracing_test::internal::MockWriter;
use wiremock::MockServer;
const SPAWN_CALL_ID: &str = "spawn-call-1";
@@ -96,6 +99,13 @@ fn decoded_body(req: &wiremock::Request) -> Option<Vec<u8>> {
}
}
fn log_field<'a>(line: &'a str, name: &str) -> Option<&'a str> {
let prefix = format!("{name}=");
line.split_ascii_whitespace()
.find_map(|field| field.strip_prefix(&prefix))
.map(|value| value.trim_matches('"'))
}
fn has_subagent_notification(req: &ResponsesRequest) -> bool {
req.message_input_texts("user")
.iter()
@@ -1042,8 +1052,16 @@ async fn spawned_multi_agent_v2_child_inherits_parent_developer_context() -> Res
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
#[tokio::test]
async fn encrypted_multi_agent_v2_spawn_sends_agent_message_to_child() -> Result<()> {
let output: &'static Mutex<Vec<u8>> = Box::leak(Box::new(Mutex::new(Vec::new())));
let subscriber = tracing_subscriber::fmt()
.with_ansi(false)
.with_max_level(Level::INFO)
.with_writer(MockWriter::new(output))
.finish();
let _guard = tracing::subscriber::set_default(subscriber);
let server = start_mock_server().await;
let encrypted_message = "opaque-encrypted-message";
let spawn_args = serde_json::to_string(&json!({
@@ -1098,6 +1116,7 @@ async fn encrypted_multi_agent_v2_spawn_sends_agent_message_to_child() -> Result
.expect("test config should allow feature update");
});
let test = builder.build(&server).await?;
let root_thread_id = test.session_configured.thread_id;
test.submit_turn(TURN_1_PROMPT).await?;
@@ -1124,6 +1143,41 @@ async fn encrypted_multi_agent_v2_spawn_sends_agent_message_to_child() -> Result
})])
);
let child_thread_id = test
.thread_manager
.list_thread_ids()
.await
.into_iter()
.find(|thread_id| *thread_id != root_thread_id)
.expect("child thread ID");
let logs = tokio::time::timeout(Duration::from_secs(5), async {
loop {
let logs = String::from_utf8(output.lock().expect("buffer lock").clone())
.expect("logs should be UTF-8");
if logs.contains("kind=\"spawn\"") && logs.contains("state=\"receive\"") {
break logs;
}
tokio::time::sleep(Duration::from_millis(10)).await;
}
})
.await
.expect("spawn communication logs should be emitted");
let send = logs
.lines()
.find(|line| line.contains("kind=\"spawn\"") && line.contains("state=\"send\""))
.expect("spawn send event");
assert!(send.contains(&format!("sender_thread_id={root_thread_id}")));
assert!(send.contains(&format!("receiver_thread_id={child_thread_id}")));
assert!(send.contains(&format!("content=\"{encrypted_message}\"")));
let communication_id = log_field(send, "communication_id").expect("communication ID");
logs.lines()
.find(|line| {
line.contains("state=\"receive\"")
&& log_field(line, "communication_id") == Some(communication_id)
})
.expect("correlated receive event");
Ok(())
}