});

}

function requireSpawnedHookCall(): [Record<string, unknown>, Record<string, unknown>] {

const call = hookRunnerMocks.runSubagentSpawned.mock.calls[0] as readonly unknown[] | undefined;

if (!call) {

throw new Error("expected spawned hook call");

}

return [requireRecord(call[0], "spawned event"), requireRecord(call[1], "spawned context")];

}

function getSpawnedEventCall(): Record<string, unknown> {

const [event] = (hookRunnerMocks.runSubagentSpawned.mock.calls.at(0) ?? []) as unknown as [

Record<string, unknown>,

];

const [event] = requireSpawnedHookCall();

return event;

}

function requireEndedHookEvent(): Record<string, unknown> {

const call = hookRunnerMocks.runSubagentEnded.mock.calls[0] as readonly unknown[] | undefined;

if (!call) {

throw new Error("expected ended hook call");

}

return requireRecord(call[0], "ended event");

}

function expectErrorResultMessage(

result: { error?: string; status: string },

pattern: RegExp,

);

expect(hookRunnerMocks.runSubagentSpawned).toHaveBeenCalledTimes(1);

const [event, ctx] = (hookRunnerMocks.runSubagentSpawned.mock.calls.at(0) ?? []) as unknown as [

Record<string, unknown>,

Record<string, unknown>,

];

const [event, ctx] = requireSpawnedHookCall();

expectFields(

event,

{

expectFields(result, { status: "accepted", runId: "run-1" }, "spawn result");

expect(hookRunnerMocks.runSubagentSpawning).not.toHaveBeenCalled();

expect(hookRunnerMocks.runSubagentSpawned).toHaveBeenCalledTimes(1);

const [event] = (hookRunnerMocks.runSubagentSpawned.mock.calls.at(0) ?? []) as unknown as [

Record<string, unknown>,

];

const event = getSpawnedEventCall();

expectFields(

event,

{

expect(result.status).toBe("error");

expect(hookRunnerMocks.runSubagentEnded).toHaveBeenCalledTimes(1);

const [event] = (hookRunnerMocks.runSubagentEnded.mock.calls.at(0) ?? []) as unknown as [

Record<string, unknown>,

];

const event = requireEndedHookEvent();

expectSubagentSessionKey(event.targetSessionKey, "ended event target session key");

expectFields(

event,