feat: add AI-powered idle check for respawn controller

Replace the "Worked for Xm Xs" pattern as the sole primary idle
detection signal with a final AI-powered check. When pre-filter
conditions are met (output silence, no working patterns, tokens
stable), a fresh Claude CLI session is spawned in a screen to
analyze terminal output and provide a definitive IDLE/WORKING
verdict before proceeding with the respawn cycle.

New state in state machine: `ai_checking` (between pre-filter
confirmation and `sending_update`). WORKING verdict triggers a
3-minute cooldown. Errors auto-disable after 3 consecutive
failures, falling back to the existing noOutputTimeoutMs safety net.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
arkon
2026-01-24 18:48:37 +01:00
co-authored by Claude Opus 4.5
parent de8033fed5
commit 0e56e590f3
8 changed files with 1602 additions and 17 deletions
+495
View File
@@ -0,0 +1,495 @@
import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
import { AiIdleChecker, AiCheckVerdict } from '../src/ai-idle-checker.js';
// Mock child_process
vi.mock('node:child_process', () => ({
execSync: vi.fn(),
spawn: vi.fn(() => ({
unref: vi.fn(),
pid: 12345,
on: vi.fn(),
})),
}));
// Mock fs
vi.mock('node:fs', () => ({
existsSync: vi.fn(() => true),
readFileSync: vi.fn(() => ''),
unlinkSync: vi.fn(),
writeFileSync: vi.fn(),
}));
import { execSync, spawn } from 'node:child_process';
import { existsSync, readFileSync, writeFileSync } from 'node:fs';
const mockedExecSync = vi.mocked(execSync);
const mockedSpawn = vi.mocked(spawn);
const mockedExistsSync = vi.mocked(existsSync);
const mockedReadFileSync = vi.mocked(readFileSync);
const mockedWriteFileSync = vi.mocked(writeFileSync);
describe('AiIdleChecker', () => {
let checker: AiIdleChecker;
beforeEach(() => {
vi.clearAllMocks();
vi.useFakeTimers();
checker = new AiIdleChecker('test-session-1234', {
checkTimeoutMs: 5000,
cooldownMs: 3000,
errorCooldownMs: 1000,
maxConsecutiveErrors: 3,
maxContextChars: 1000,
});
});
afterEach(() => {
checker.cancel();
vi.useRealTimers();
});
describe('Initialization', () => {
it('should start in ready status', () => {
expect(checker.status).toBe('ready');
});
it('should not be on cooldown initially', () => {
expect(checker.isOnCooldown()).toBe(false);
});
it('should have clean initial state', () => {
const state = checker.getState();
expect(state.status).toBe('ready');
expect(state.lastVerdict).toBeNull();
expect(state.lastReasoning).toBeNull();
expect(state.consecutiveErrors).toBe(0);
expect(state.totalChecks).toBe(0);
expect(state.disabledReason).toBeNull();
});
});
describe('Output Parsing', () => {
it('should parse IDLE verdict', async () => {
// Set up mock to return IDLE result after polling
mockedReadFileSync.mockReturnValueOnce('') // writeFileSync creates empty file
.mockReturnValueOnce('IDLE\nSession shows completion message and prompt.\n__AICHECK_DONE__');
const checkPromise = checker.check('some terminal output');
// First poll - empty
await vi.advanceTimersByTimeAsync(500);
// Second poll - has result
await vi.advanceTimersByTimeAsync(500);
const result = await checkPromise;
expect(result.verdict).toBe('IDLE');
expect(result.reasoning).toContain('completion message');
});
it('should parse WORKING verdict', async () => {
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('WORKING\nSpinner characters detected, still processing.\n__AICHECK_DONE__');
const checkPromise = checker.check('some terminal output');
await vi.advanceTimersByTimeAsync(500);
await vi.advanceTimersByTimeAsync(500);
const result = await checkPromise;
expect(result.verdict).toBe('WORKING');
expect(result.reasoning).toContain('Spinner');
});
it('should handle lowercase verdict', async () => {
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('idle\nDone.\n__AICHECK_DONE__');
const checkPromise = checker.check('output');
await vi.advanceTimersByTimeAsync(500);
await vi.advanceTimersByTimeAsync(500);
const result = await checkPromise;
expect(result.verdict).toBe('IDLE');
});
it('should return ERROR for unparseable output', async () => {
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('Something unexpected happened.\n__AICHECK_DONE__');
const checkPromise = checker.check('output');
await vi.advanceTimersByTimeAsync(500);
await vi.advanceTimersByTimeAsync(500);
const result = await checkPromise;
expect(result.verdict).toBe('ERROR');
expect(result.reasoning).toContain('Could not parse');
});
it('should return ERROR for empty output', async () => {
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('__AICHECK_DONE__');
const checkPromise = checker.check('output');
await vi.advanceTimersByTimeAsync(500);
await vi.advanceTimersByTimeAsync(500);
const result = await checkPromise;
expect(result.verdict).toBe('ERROR');
expect(result.reasoning).toContain('Empty output');
});
});
describe('Screen Spawn', () => {
it('should spawn a screen session for the check', async () => {
mockedReadFileSync.mockReturnValue('IDLE\n__AICHECK_DONE__');
const checkPromise = checker.check('terminal output');
await vi.advanceTimersByTimeAsync(500);
await checkPromise;
// Verify screen was spawned with correct args
expect(mockedSpawn).toHaveBeenCalledWith(
'screen',
expect.arrayContaining(['-dmS', expect.stringContaining('claudeman-aicheck-')]),
expect.objectContaining({ detached: true, stdio: 'ignore' })
);
});
it('should kill existing screen with same name before spawning', async () => {
mockedReadFileSync.mockReturnValue('IDLE\n__AICHECK_DONE__');
const checkPromise = checker.check('output');
await vi.advanceTimersByTimeAsync(500);
await checkPromise;
// First call should try to kill existing screen
expect(mockedExecSync).toHaveBeenCalledWith(
expect.stringContaining('screen -X -S claudeman-aicheck-'),
expect.any(Object)
);
});
it('should create temp file for output capture', async () => {
mockedReadFileSync.mockReturnValue('IDLE\n__AICHECK_DONE__');
const checkPromise = checker.check('output');
await vi.advanceTimersByTimeAsync(500);
await checkPromise;
expect(mockedWriteFileSync).toHaveBeenCalledWith(
expect.stringContaining('claudeman-aicheck-'),
''
);
});
});
describe('Timeout', () => {
it('should timeout after checkTimeoutMs', async () => {
// Never return a result
mockedReadFileSync.mockReturnValue('');
const checkPromise = checker.check('output');
// Advance past timeout
await vi.advanceTimersByTimeAsync(5100);
const result = await checkPromise;
expect(result.verdict).toBe('ERROR');
expect(result.reasoning).toContain('timed out');
});
});
describe('Cancellation', () => {
it('should cancel an in-progress check', async () => {
mockedReadFileSync.mockReturnValue(''); // Never complete
const checkPromise = checker.check('output');
// Cancel immediately - the resolve callback will be called synchronously
checker.cancel();
expect(checker.status).toBe('ready');
const result = await checkPromise;
expect(result.verdict).toBe('ERROR');
expect(result.reasoning).toBe('Cancelled');
});
it('should clean up screen on cancel', async () => {
mockedReadFileSync.mockReturnValue('');
const checkPromise = checker.check('output');
checker.cancel();
await checkPromise;
// Should have tried to kill the screen (initial kill + cleanup kill)
const killCalls = mockedExecSync.mock.calls.filter(
call => typeof call[0] === 'string' && call[0].includes('quit')
);
expect(killCalls.length).toBeGreaterThan(0);
});
it('should be a no-op if not checking', () => {
checker.cancel(); // Should not throw
expect(checker.status).toBe('ready');
});
});
describe('Cooldown', () => {
it('should start cooldown after WORKING verdict', async () => {
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('WORKING\nStill processing.\n__AICHECK_DONE__');
const checkPromise = checker.check('output');
await vi.advanceTimersByTimeAsync(500);
await vi.advanceTimersByTimeAsync(500);
await checkPromise;
expect(checker.status).toBe('cooldown');
expect(checker.isOnCooldown()).toBe(true);
expect(checker.getCooldownRemainingMs()).toBeGreaterThan(0);
});
it('should return to ready after cooldown expires', async () => {
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('WORKING\nBusy.\n__AICHECK_DONE__');
const checkPromise = checker.check('output');
await vi.advanceTimersByTimeAsync(1000);
await checkPromise;
expect(checker.status).toBe('cooldown');
// Advance past cooldown
await vi.advanceTimersByTimeAsync(3100);
expect(checker.status).toBe('ready');
expect(checker.isOnCooldown()).toBe(false);
});
it('should not start new check during cooldown', async () => {
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('WORKING\nBusy.\n__AICHECK_DONE__');
const firstCheck = checker.check('output');
await vi.advanceTimersByTimeAsync(1000);
await firstCheck;
// Try to check during cooldown
const result = await checker.check('output');
expect(result.verdict).toBe('ERROR');
expect(result.reasoning).toBe('On cooldown');
});
});
describe('Error Handling', () => {
it('should start error cooldown after parse error', async () => {
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('garbage output\n__AICHECK_DONE__');
const checkPromise = checker.check('output');
await vi.advanceTimersByTimeAsync(1000);
await checkPromise;
expect(checker.status).toBe('cooldown');
expect(checker.getState().consecutiveErrors).toBe(1);
});
it('should disable after maxConsecutiveErrors', async () => {
for (let i = 0; i < 3; i++) {
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('garbage\n__AICHECK_DONE__');
const checkPromise = checker.check('output');
await vi.advanceTimersByTimeAsync(1000);
await checkPromise;
// Clear cooldown for next check (except after the last one which disables)
if (i < 2) {
await vi.advanceTimersByTimeAsync(1100);
}
}
expect(checker.status).toBe('disabled');
expect(checker.getState().disabledReason).toContain('3 consecutive errors');
});
it('should reset error counter on successful check', async () => {
// First check: error
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('garbage\n__AICHECK_DONE__');
const firstCheck = checker.check('output');
await vi.advanceTimersByTimeAsync(1000);
await firstCheck;
expect(checker.getState().consecutiveErrors).toBe(1);
// Wait for cooldown
await vi.advanceTimersByTimeAsync(1100);
// Second check: success
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('IDLE\nDone.\n__AICHECK_DONE__');
const secondCheck = checker.check('output');
await vi.advanceTimersByTimeAsync(1000);
await secondCheck;
expect(checker.getState().consecutiveErrors).toBe(0);
});
it('should return ERROR if disabled', async () => {
checker.updateConfig({ enabled: false });
const result = await checker.check('output');
expect(result.verdict).toBe('ERROR');
expect(result.reasoning).toContain('Disabled');
});
});
describe('Buffer Handling', () => {
it('should strip ANSI codes from terminal buffer', async () => {
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('IDLE\n__AICHECK_DONE__');
const ansiBuffer = '\x1b[1mBold\x1b[0m \x1b[32mGreen\x1b[0m text';
const checkPromise = checker.check(ansiBuffer);
await vi.advanceTimersByTimeAsync(1000);
await checkPromise;
// Verify the spawn command was called (which means the prompt was built)
expect(mockedSpawn).toHaveBeenCalled();
});
it('should trim buffer to maxContextChars', async () => {
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('IDLE\n__AICHECK_DONE__');
// Create buffer longer than maxContextChars (1000)
const longBuffer = 'x'.repeat(2000);
const checkPromise = checker.check(longBuffer);
await vi.advanceTimersByTimeAsync(1000);
await checkPromise;
// The check should complete successfully (trimming happened internally)
expect(mockedSpawn).toHaveBeenCalled();
});
});
describe('Config Updates', () => {
it('should disable when config sets enabled=false', () => {
checker.updateConfig({ enabled: false });
expect(checker.status).toBe('disabled');
});
it('should re-enable when config sets enabled=true', () => {
checker.updateConfig({ enabled: false });
expect(checker.status).toBe('disabled');
checker.updateConfig({ enabled: true });
expect(checker.status).toBe('ready');
});
it('should update model in config', () => {
checker.updateConfig({ model: 'claude-sonnet-4-20250514' });
expect(checker.getConfig().model).toBe('claude-sonnet-4-20250514');
});
});
describe('Reset', () => {
it('should clear all state on reset', async () => {
// Trigger a WORKING verdict to set state
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('WORKING\nBusy.\n__AICHECK_DONE__');
const checkPromise = checker.check('output');
await vi.advanceTimersByTimeAsync(1000);
await checkPromise;
expect(checker.status).toBe('cooldown');
// Reset
checker.reset();
expect(checker.status).toBe('ready');
expect(checker.isOnCooldown()).toBe(false);
const state = checker.getState();
expect(state.lastVerdict).toBeNull();
expect(state.consecutiveErrors).toBe(0);
});
});
describe('Events', () => {
it('should emit checkStarted event', async () => {
const handler = vi.fn();
checker.on('checkStarted', handler);
mockedReadFileSync.mockReturnValue('IDLE\n__AICHECK_DONE__');
const checkPromise = checker.check('output');
await vi.advanceTimersByTimeAsync(500);
await checkPromise;
expect(handler).toHaveBeenCalled();
});
it('should emit checkCompleted event with result', async () => {
const handler = vi.fn();
checker.on('checkCompleted', handler);
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('IDLE\nAll done.\n__AICHECK_DONE__');
const checkPromise = checker.check('output');
await vi.advanceTimersByTimeAsync(1000);
await checkPromise;
expect(handler).toHaveBeenCalledWith(expect.objectContaining({
verdict: 'IDLE',
}));
});
it('should emit cooldownStarted event after WORKING', async () => {
const handler = vi.fn();
checker.on('cooldownStarted', handler);
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('WORKING\nBusy.\n__AICHECK_DONE__');
const checkPromise = checker.check('output');
await vi.advanceTimersByTimeAsync(1000);
await checkPromise;
expect(handler).toHaveBeenCalledWith(expect.any(Number));
});
it('should emit disabled event after max errors', async () => {
const handler = vi.fn();
checker.on('disabled', handler);
for (let i = 0; i < 3; i++) {
mockedReadFileSync.mockReturnValueOnce('')
.mockReturnValueOnce('garbage\n__AICHECK_DONE__');
const checkPromise = checker.check('output');
await vi.advanceTimersByTimeAsync(1000);
await checkPromise;
if (i < 2) await vi.advanceTimersByTimeAsync(1100);
}
expect(handler).toHaveBeenCalledWith(expect.stringContaining('consecutive errors'));
});
});
describe('Concurrent Check Prevention', () => {
it('should reject if already checking', async () => {
mockedReadFileSync.mockReturnValue(''); // Never complete
const firstCheck = checker.check('output');
const secondResult = await checker.check('output');
expect(secondResult.verdict).toBe('ERROR');
expect(secondResult.reasoning).toBe('Already checking');
// Clean up first check
checker.cancel();
await firstCheck;
});
});
});
+240
View File
@@ -76,6 +76,7 @@ describe('RespawnController', () => {
interStepDelayMs: 50,
completionConfirmMs: 50, // Short confirmation delay for testing
noOutputTimeoutMs: 500, // Short fallback timeout for testing
aiIdleCheckEnabled: false, // Disable AI check for legacy tests
});
});
@@ -614,6 +615,7 @@ describe('RespawnController State Transitions', () => {
interStepDelayMs: 20,
completionConfirmMs: 50, // Short confirmation for testing
noOutputTimeoutMs: 300, // Short fallback for testing
aiIdleCheckEnabled: false, // Disable AI check for legacy tests
});
});
@@ -814,6 +816,7 @@ describe('RespawnController Edge Cases', () => {
interStepDelayMs: 10,
completionConfirmMs: 30, // Short confirmation for testing
noOutputTimeoutMs: 200, // Short fallback for testing
aiIdleCheckEnabled: false,
});
expect(controller.currentCycle).toBe(0);
@@ -873,6 +876,7 @@ describe('RespawnController Edge Cases', () => {
autoAcceptDelayMs: 100, // Short delay for testing
completionConfirmMs: 50,
noOutputTimeoutMs: 5000,
aiIdleCheckEnabled: false,
});
let autoAcceptFired = false;
@@ -899,6 +903,7 @@ describe('RespawnController Edge Cases', () => {
autoAcceptDelayMs: 100,
completionConfirmMs: 200, // Longer than autoAcceptDelay
noOutputTimeoutMs: 5000,
aiIdleCheckEnabled: false,
});
let autoAcceptFired = false;
@@ -924,6 +929,7 @@ describe('RespawnController Edge Cases', () => {
autoAcceptDelayMs: 100,
completionConfirmMs: 50,
noOutputTimeoutMs: 5000,
aiIdleCheckEnabled: false,
});
let autoAcceptFired = false;
@@ -946,6 +952,7 @@ describe('RespawnController Edge Cases', () => {
autoAcceptDelayMs: 100,
completionConfirmMs: 50,
noOutputTimeoutMs: 5000,
aiIdleCheckEnabled: false,
});
let autoAcceptFired = false;
@@ -968,6 +975,7 @@ describe('RespawnController Edge Cases', () => {
autoAcceptDelayMs: 150,
completionConfirmMs: 50,
noOutputTimeoutMs: 5000,
aiIdleCheckEnabled: false,
});
let autoAcceptFired = false;
@@ -998,6 +1006,7 @@ describe('RespawnController Edge Cases', () => {
autoAcceptDelayMs: 100,
completionConfirmMs: 50,
noOutputTimeoutMs: 5000,
aiIdleCheckEnabled: false,
});
let autoAcceptCount = 0;
@@ -1031,6 +1040,7 @@ describe('RespawnController Edge Cases', () => {
completionConfirmMs: 50,
interStepDelayMs: 50,
noOutputTimeoutMs: 5000,
aiIdleCheckEnabled: false,
});
let autoAcceptFired = false;
@@ -1062,6 +1072,7 @@ describe('RespawnController Edge Cases', () => {
autoAcceptDelayMs: 100,
completionConfirmMs: 50,
noOutputTimeoutMs: 5000,
aiIdleCheckEnabled: false,
});
let autoAcceptFired = false;
@@ -1089,6 +1100,7 @@ describe('RespawnController Edge Cases', () => {
autoAcceptDelayMs: 100,
completionConfirmMs: 50,
noOutputTimeoutMs: 5000,
aiIdleCheckEnabled: false,
});
let autoAcceptFired = false;
@@ -1116,3 +1128,231 @@ describe('RespawnController Edge Cases', () => {
});
});
});
describe('RespawnController AI Idle Check', () => {
let session: MockSession;
beforeEach(() => {
session = new MockSession();
});
it('should have AI idle check enabled by default', () => {
const controller = new RespawnController(session as unknown as Session);
const config = controller.getConfig();
expect(config.aiIdleCheckEnabled).toBe(true);
expect(config.aiIdleCheckModel).toBe('claude-opus-4-5-20251101');
expect(config.aiIdleCheckMaxContext).toBe(16000);
expect(config.aiIdleCheckTimeoutMs).toBe(90000);
expect(config.aiIdleCheckCooldownMs).toBe(180000);
controller.stop();
});
it('should include AI check state in detection status when enabled', () => {
const controller = new RespawnController(session as unknown as Session, {
aiIdleCheckEnabled: true,
});
controller.start();
const detection = controller.getDetectionStatus();
expect(detection.aiCheck).not.toBeNull();
expect(detection.aiCheck?.status).toBe('ready');
controller.stop();
});
it('should not include AI check state when disabled', () => {
const controller = new RespawnController(session as unknown as Session, {
aiIdleCheckEnabled: false,
});
controller.start();
const detection = controller.getDetectionStatus();
expect(detection.aiCheck).toBeNull();
controller.stop();
});
it('should transition to ai_checking state when pre-filter is met', async () => {
const controller = new RespawnController(session as unknown as Session, {
completionConfirmMs: 50,
noOutputTimeoutMs: 5000,
aiIdleCheckEnabled: true,
aiIdleCheckTimeoutMs: 500, // Short timeout for test
});
const states: string[] = [];
controller.on('stateChanged', (state: string) => states.push(state));
controller.start();
// Simulate completion message
session.simulateCompletionMessage();
// Wait for completion confirm timer to fire and AI check to start
await new Promise(resolve => setTimeout(resolve, 200));
// Should have transitioned to ai_checking
expect(states).toContain('ai_checking');
controller.stop();
});
it('should cancel AI check when working patterns detected', async () => {
const controller = new RespawnController(session as unknown as Session, {
completionConfirmMs: 50,
noOutputTimeoutMs: 5000,
aiIdleCheckEnabled: true,
aiIdleCheckTimeoutMs: 5000, // Long timeout so we can interrupt
});
controller.start();
session.simulateCompletionMessage();
// Wait for AI check to start
await new Promise(resolve => setTimeout(resolve, 100));
// Simulate working patterns during AI check
session.simulateWorking();
// Should be back to watching
await new Promise(resolve => setTimeout(resolve, 50));
expect(controller.state).toBe('watching');
controller.stop();
});
it('should cancel AI check when substantial output arrives', async () => {
const controller = new RespawnController(session as unknown as Session, {
completionConfirmMs: 50,
noOutputTimeoutMs: 5000,
aiIdleCheckEnabled: true,
aiIdleCheckTimeoutMs: 5000,
});
controller.start();
session.simulateCompletionMessage();
// Wait for AI check to start
await new Promise(resolve => setTimeout(resolve, 100));
// Simulate substantial output during AI check
session.simulateTerminalOutput('Some meaningful output that is more than 2 chars');
// Should be back to watching
await new Promise(resolve => setTimeout(resolve, 50));
expect(controller.state).toBe('watching');
controller.stop();
});
it('should fall back to direct idle when AI check is disabled', async () => {
const controller = new RespawnController(session as unknown as Session, {
completionConfirmMs: 50,
noOutputTimeoutMs: 5000,
aiIdleCheckEnabled: false,
});
let cycleStarted = false;
controller.on('respawnCycleStarted', () => {
cycleStarted = true;
});
controller.start();
session.simulateCompletionMessage();
// Wait for completion confirm and direct idle
await new Promise(resolve => setTimeout(resolve, 200));
expect(cycleStarted).toBe(true);
controller.stop();
});
it('should emit aiCheckStarted event', async () => {
const controller = new RespawnController(session as unknown as Session, {
completionConfirmMs: 50,
noOutputTimeoutMs: 5000,
aiIdleCheckEnabled: true,
aiIdleCheckTimeoutMs: 500,
});
let aiCheckStarted = false;
controller.on('aiCheckStarted', () => {
aiCheckStarted = true;
});
controller.start();
session.simulateCompletionMessage();
await new Promise(resolve => setTimeout(resolve, 150));
expect(aiCheckStarted).toBe(true);
controller.stop();
});
it('should update AI checker config on updateConfig', () => {
const controller = new RespawnController(session as unknown as Session, {
aiIdleCheckEnabled: true,
});
controller.updateConfig({
aiIdleCheckModel: 'claude-sonnet-4-20250514',
aiIdleCheckCooldownMs: 60000,
});
const config = controller.getConfig();
expect(config.aiIdleCheckModel).toBe('claude-sonnet-4-20250514');
expect(config.aiIdleCheckCooldownMs).toBe(60000);
controller.stop();
});
it('should trigger AI check via completion message path (not requiring 3s working-absent)', async () => {
// The pre-filter timer requires 3s without working patterns,
// but the completion message path (startCompletionConfirmTimer) bypasses
// the working-absent check and goes directly through tryStartAiCheck.
const controller = new RespawnController(session as unknown as Session, {
completionConfirmMs: 50,
noOutputTimeoutMs: 5000,
aiIdleCheckEnabled: true,
aiIdleCheckTimeoutMs: 500,
});
const states: string[] = [];
controller.on('stateChanged', (state: string) => states.push(state));
controller.start();
// Completion message triggers the completion confirm timer
// which routes through tryStartAiCheck after silence
session.simulateCompletionMessage();
// Wait for completion confirm timer + AI check start
await new Promise(resolve => setTimeout(resolve, 150));
// Should have triggered ai_checking via completion path
expect(states).toContain('ai_checking');
controller.stop();
});
it('should handle AI check timeout gracefully', async () => {
const controller = new RespawnController(session as unknown as Session, {
completionConfirmMs: 50,
noOutputTimeoutMs: 5000,
aiIdleCheckEnabled: true,
aiIdleCheckTimeoutMs: 100, // Very short timeout
});
const states: string[] = [];
controller.on('stateChanged', (state: string) => states.push(state));
controller.start();
session.simulateCompletionMessage();
// Wait for AI check to start and timeout
await new Promise(resolve => setTimeout(resolve, 300));
// Should return to watching after timeout (with cooldown)
expect(controller.state).toBe('watching');
controller.stop();
});
});