mirror of
https://github.com/Ark0N/Codeman.git
synced 2026-10-09 00:49:41 +02:00
refactor: extract AI checker base class + fix persistence + dedupe restoration
- Add AiCheckerBase abstract class to eliminate ~700 lines of duplication between AiIdleChecker and AiPlanChecker - Fix missing persistence fields (completionConfirmMs, noOutputTimeoutMs) that caused custom timing values to be lost on server restart - Extract restoreRespawnController() helper to dedupe session restoration logic between state.json and screens.json paths Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
arkon
+48
-426
@@ -24,51 +24,25 @@
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* @module ai-idle-checker
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*/
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import { execSync, spawn as childSpawn } from 'node:child_process';
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import { existsSync, readFileSync, unlinkSync, writeFileSync } from 'node:fs';
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import { tmpdir } from 'node:os';
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import { join } from 'node:path';
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import { EventEmitter } from 'node:events';
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import { getAugmentedPath } from './session.js';
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import {
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AiCheckerBase,
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type AiCheckerConfigBase,
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type AiCheckerResultBase,
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type AiCheckerStateBase,
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type AiCheckerStatus,
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} from './ai-checker-base.js';
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// ========== Types ==========
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export interface AiIdleCheckConfig {
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/** Whether AI idle check is enabled */
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enabled: boolean;
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/** Model to use for the check */
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model: string;
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/** Maximum characters of terminal buffer to send */
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maxContextChars: number;
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/** Timeout for the check in ms */
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checkTimeoutMs: number;
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/** Cooldown after WORKING verdict in ms */
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cooldownMs: number;
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/** Cooldown after errors in ms */
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errorCooldownMs: number;
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/** Max consecutive errors before disabling */
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maxConsecutiveErrors: number;
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}
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export interface AiIdleCheckConfig extends AiCheckerConfigBase {}
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export type AiCheckStatus = 'ready' | 'checking' | 'cooldown' | 'disabled' | 'error';
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// Re-export the status type for backwards compatibility
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export type AiCheckStatus = AiCheckerStatus;
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export type AiCheckVerdict = 'IDLE' | 'WORKING' | 'ERROR';
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export interface AiCheckResult {
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verdict: AiCheckVerdict;
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reasoning: string;
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durationMs: number;
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}
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export interface AiCheckResult extends AiCheckerResultBase<AiCheckVerdict> {}
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export interface AiCheckState {
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status: AiCheckStatus;
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lastVerdict: AiCheckVerdict | null;
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lastReasoning: string | null;
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lastCheckDurationMs: number | null;
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cooldownEndsAt: number | null;
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consecutiveErrors: number;
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totalChecks: number;
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disabledReason: string | null;
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}
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export interface AiCheckState extends AiCheckerStateBase<AiCheckVerdict> {}
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/** Events emitted by AiIdleChecker */
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export interface AiIdleCheckerEvents {
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@@ -93,15 +67,6 @@ const DEFAULT_AI_CHECK_CONFIG: AiIdleCheckConfig = {
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maxConsecutiveErrors: 3,
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};
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/** ANSI escape code pattern for stripping terminal formatting */
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const ANSI_ESCAPE_PATTERN = /\x1b\[[0-9;]*[A-Za-z]/g;
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/** Poll interval for checking temp file completion */
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const POLL_INTERVAL_MS = 500;
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/** Marker written to temp file when check is complete */
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const DONE_MARKER = '__AICHECK_DONE__';
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/** Pattern to match IDLE or WORKING as the first word of output */
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const VERDICT_PATTERN = /^\s*(IDLE|WORKING)\b/i;
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@@ -125,397 +90,54 @@ Then optionally explain briefly why.`;
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* Manages AI-powered idle detection by spawning a fresh Claude CLI session
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* to analyze terminal output and provide a definitive IDLE/WORKING verdict.
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*/
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export class AiIdleChecker extends EventEmitter {
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private config: AiIdleCheckConfig;
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private sessionId: string;
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// State
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private _status: AiCheckStatus = 'ready';
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private lastVerdict: AiCheckVerdict | null = null;
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private lastReasoning: string | null = null;
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private lastCheckDurationMs: number | null = null;
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private cooldownEndsAt: number | null = null;
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private cooldownTimer: NodeJS.Timeout | null = null;
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private consecutiveErrors: number = 0;
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private totalChecks: number = 0;
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private disabledReason: string | null = null;
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// Active check state
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private checkScreenName: string | null = null;
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private checkTempFile: string | null = null;
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private checkPromptFile: string | null = null;
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private checkPollTimer: NodeJS.Timeout | null = null;
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private checkTimeoutTimer: NodeJS.Timeout | null = null;
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private checkStartTime: number = 0;
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private checkCancelled: boolean = false;
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private checkResolve: ((result: AiCheckResult) => void) | null = null;
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export class AiIdleChecker extends AiCheckerBase<
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AiCheckVerdict,
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AiIdleCheckConfig,
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AiCheckResult,
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AiCheckState
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> {
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protected readonly screenNamePrefix = 'claudeman-aicheck-';
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protected readonly doneMarker = '__AICHECK_DONE__';
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protected readonly tempFilePrefix = 'claudeman-aicheck';
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protected readonly logPrefix = '[AiIdleChecker]';
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protected readonly checkDescription = 'AI idle check';
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constructor(sessionId: string, config: Partial<AiIdleCheckConfig> = {}) {
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super();
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this.sessionId = sessionId;
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// Filter out undefined values to prevent overwriting defaults
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const filteredConfig = Object.fromEntries(
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Object.entries(config).filter(([, v]) => v !== undefined)
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) as Partial<AiIdleCheckConfig>;
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this.config = { ...DEFAULT_AI_CHECK_CONFIG, ...filteredConfig };
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super(sessionId, DEFAULT_AI_CHECK_CONFIG, config);
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}
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/** Get the current status */
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get status(): AiCheckStatus {
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return this._status;
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protected buildPrompt(terminalBuffer: string): string {
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return AI_CHECK_PROMPT.replace('{TERMINAL_BUFFER}', terminalBuffer);
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}
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/** Get comprehensive state for UI display */
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getState(): AiCheckState {
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return {
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status: this._status,
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lastVerdict: this.lastVerdict,
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lastReasoning: this.lastReasoning,
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lastCheckDurationMs: this.lastCheckDurationMs,
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cooldownEndsAt: this.cooldownEndsAt,
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consecutiveErrors: this.consecutiveErrors,
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totalChecks: this.totalChecks,
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disabledReason: this.disabledReason,
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};
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}
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/** Check if the checker is on cooldown */
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isOnCooldown(): boolean {
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if (this.cooldownEndsAt === null) return false;
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return Date.now() < this.cooldownEndsAt;
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}
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/** Get remaining cooldown time in ms */
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getCooldownRemainingMs(): number {
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if (this.cooldownEndsAt === null) return 0;
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return Math.max(0, this.cooldownEndsAt - Date.now());
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}
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/**
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* Run an AI idle check against the provided terminal buffer.
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* Spawns a fresh Claude CLI in a screen, captures output to temp file.
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*
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* @param terminalBuffer - Raw terminal output to analyze
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* @returns The verdict result
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*/
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async check(terminalBuffer: string): Promise<AiCheckResult> {
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if (this._status === 'disabled') {
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return { verdict: 'ERROR', reasoning: `Disabled: ${this.disabledReason}`, durationMs: 0 };
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}
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if (this.isOnCooldown()) {
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return { verdict: 'ERROR', reasoning: 'On cooldown', durationMs: 0 };
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}
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if (this._status === 'checking') {
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return { verdict: 'ERROR', reasoning: 'Already checking', durationMs: 0 };
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}
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this._status = 'checking';
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this.checkCancelled = false;
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this.checkStartTime = Date.now();
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this.totalChecks++;
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this.emit('checkStarted');
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this.log('Starting AI idle check');
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try {
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const result = await this.runCheck(terminalBuffer);
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if (this.checkCancelled) {
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return { verdict: 'ERROR', reasoning: 'Cancelled', durationMs: Date.now() - this.checkStartTime };
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}
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this.lastVerdict = result.verdict;
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this.lastReasoning = result.reasoning;
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this.lastCheckDurationMs = result.durationMs;
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if (result.verdict === 'IDLE') {
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this.consecutiveErrors = 0;
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this._status = 'ready';
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this.log(`AI check verdict: IDLE (${result.durationMs}ms) - ${result.reasoning}`);
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} else if (result.verdict === 'WORKING') {
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this.consecutiveErrors = 0;
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this.startCooldown(this.config.cooldownMs);
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this.log(`AI check verdict: WORKING (${result.durationMs}ms) - ${result.reasoning}`);
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} else {
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this.handleError('Unexpected verdict');
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}
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this.emit('checkCompleted', result);
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return result;
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} catch (err) {
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const errorMsg = err instanceof Error ? err.message : String(err);
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this.handleError(errorMsg);
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const result: AiCheckResult = {
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verdict: 'ERROR',
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reasoning: errorMsg,
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durationMs: Date.now() - this.checkStartTime,
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};
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this.emit('checkFailed', errorMsg);
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return result;
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} finally {
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this.cleanupCheck();
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}
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}
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/**
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* Cancel an in-progress check.
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* Kills the screen session and cleans up.
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*/
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cancel(): void {
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if (this._status !== 'checking') return;
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this.log('Cancelling AI check');
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this.checkCancelled = true;
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// Clear poll/timeout timers first to prevent race condition where
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// the poll timer fires between setting checkCancelled and cleanup
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this.cleanupCheck();
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// Resolve the pending promise after cleanup
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if (this.checkResolve) {
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this.checkResolve({ verdict: 'ERROR', reasoning: 'Cancelled', durationMs: Date.now() - this.checkStartTime });
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this.checkResolve = null;
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}
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this._status = 'ready';
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}
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/** Reset all state for a new cycle */
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reset(): void {
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this.cancel();
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this.clearCooldown();
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this.lastVerdict = null;
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this.lastReasoning = null;
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this.lastCheckDurationMs = null;
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this.consecutiveErrors = 0;
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this._status = this.disabledReason ? 'disabled' : 'ready';
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}
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/** Update configuration at runtime */
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updateConfig(config: Partial<AiIdleCheckConfig>): void {
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// Filter out undefined values to prevent overwriting existing config
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const filteredConfig = Object.fromEntries(
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Object.entries(config).filter(([, v]) => v !== undefined)
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) as Partial<AiIdleCheckConfig>;
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this.config = { ...this.config, ...filteredConfig };
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if (config.enabled === false) {
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this.disable('Disabled by config');
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} else if (config.enabled === true && this._status === 'disabled') {
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this.disabledReason = null;
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this._status = 'ready';
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}
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}
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/** Get current config */
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getConfig(): AiIdleCheckConfig {
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return { ...this.config };
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}
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// ========== Private Methods ==========
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private async runCheck(terminalBuffer: string): Promise<AiCheckResult> {
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// Prepare the terminal buffer (strip ANSI, trim to maxContextChars)
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const stripped = terminalBuffer.replace(ANSI_ESCAPE_PATTERN, '');
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const trimmed = stripped.length > this.config.maxContextChars
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? stripped.slice(-this.config.maxContextChars)
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: stripped;
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// Build the prompt
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const prompt = AI_CHECK_PROMPT.replace('{TERMINAL_BUFFER}', trimmed);
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// Generate temp files and screen name
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const shortId = this.sessionId.slice(0, 8);
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const timestamp = Date.now();
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this.checkTempFile = join(tmpdir(), `claudeman-aicheck-${shortId}-${timestamp}.txt`);
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this.checkPromptFile = join(tmpdir(), `claudeman-aicheck-prompt-${shortId}-${timestamp}.txt`);
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this.checkScreenName = `claudeman-aicheck-${shortId}`;
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// Ensure output temp file exists (empty) so we can poll it
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writeFileSync(this.checkTempFile, '');
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// Write prompt to file to avoid E2BIG error (argument list too long)
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// The prompt can be 16KB+ which exceeds shell argument limits
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writeFileSync(this.checkPromptFile, prompt);
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// Build the command - read prompt from file via stdin to avoid argument size limits
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const modelArg = `--model ${this.config.model}`;
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const augmentedPath = getAugmentedPath();
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const claudeCmd = `cat "${this.checkPromptFile}" | claude -p ${modelArg} --output-format text`;
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const fullCmd = `export PATH="${augmentedPath}"; ${claudeCmd} > "${this.checkTempFile}" 2>&1; echo "${DONE_MARKER}" >> "${this.checkTempFile}"; rm -f "${this.checkPromptFile}"`;
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// Spawn screen
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try {
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// Kill any leftover screen with this name first
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try {
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execSync(`screen -X -S ${this.checkScreenName} quit 2>/dev/null`, { timeout: 3000 });
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} catch {
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// No existing screen, that's fine
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}
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const screenProcess = childSpawn('screen', [
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'-dmS', this.checkScreenName,
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'-c', '/dev/null',
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'bash', '-c', fullCmd
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], {
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detached: true,
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stdio: 'ignore',
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});
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screenProcess.unref();
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} catch (err) {
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throw new Error(`Failed to spawn AI check screen: ${err instanceof Error ? err.message : String(err)}`);
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}
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// Poll the temp file for completion
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return new Promise<AiCheckResult>((resolve, reject) => {
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const startTime = this.checkStartTime;
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this.checkResolve = resolve;
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this.checkPollTimer = setInterval(() => {
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if (this.checkCancelled) {
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// Cancel was already handled by cancel() calling resolve
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return;
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}
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try {
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if (!this.checkTempFile || !existsSync(this.checkTempFile)) return;
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const content = readFileSync(this.checkTempFile, 'utf-8');
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if (content.includes(DONE_MARKER)) {
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const durationMs = Date.now() - startTime;
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const result = this.parseOutput(content, durationMs);
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this.checkResolve = null;
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resolve(result);
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}
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} catch {
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// File might not be ready yet, keep polling
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}
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}, POLL_INTERVAL_MS);
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// Set timeout
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this.checkTimeoutTimer = setTimeout(() => {
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if (this._status === 'checking' && !this.checkCancelled) {
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this.checkResolve = null;
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reject(new Error(`AI check timed out after ${this.config.checkTimeoutMs}ms`));
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}
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}, this.config.checkTimeoutMs);
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});
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}
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private parseOutput(content: string, durationMs: number): AiCheckResult {
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// Remove the done marker and trim
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const output = content.replace(DONE_MARKER, '').trim();
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if (!output) {
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return { verdict: 'ERROR', reasoning: 'Empty output from AI check', durationMs };
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}
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// Look for IDLE or WORKING as the first word
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protected parseVerdict(output: string): { verdict: AiCheckVerdict; reasoning: string } | null {
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const match = output.match(VERDICT_PATTERN);
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if (!match) {
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return { verdict: 'ERROR', reasoning: `Could not parse verdict from: "${output.substring(0, 100)}"`, durationMs };
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}
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if (!match) return null;
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const verdict = match[1].toUpperCase() as 'IDLE' | 'WORKING';
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// Everything after the first line is the reasoning
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const lines = output.split('\n');
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const reasoning = lines.slice(1).join('\n').trim() || `AI determined: ${verdict}`;
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return { verdict, reasoning };
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}
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protected getPositiveVerdict(): AiCheckVerdict {
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return 'IDLE';
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}
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protected getNegativeVerdict(): AiCheckVerdict {
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return 'WORKING';
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}
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protected getErrorVerdict(): AiCheckVerdict {
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return 'ERROR';
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}
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|
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protected createErrorResult(reasoning: string, durationMs: number): AiCheckResult {
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return { verdict: 'ERROR', reasoning, durationMs };
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}
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|
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protected createResult(verdict: AiCheckVerdict, reasoning: string, durationMs: number): AiCheckResult {
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return { verdict, reasoning, durationMs };
|
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}
|
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private cleanupCheck(): void {
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// Clear poll timer
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if (this.checkPollTimer) {
|
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clearInterval(this.checkPollTimer);
|
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this.checkPollTimer = null;
|
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}
|
||||
|
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// Clear timeout timer
|
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if (this.checkTimeoutTimer) {
|
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clearTimeout(this.checkTimeoutTimer);
|
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this.checkTimeoutTimer = null;
|
||||
}
|
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|
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// Kill the screen
|
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if (this.checkScreenName) {
|
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try {
|
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execSync(`screen -X -S ${this.checkScreenName} quit 2>/dev/null`, { timeout: 3000 });
|
||||
} catch {
|
||||
// Screen may already be dead
|
||||
}
|
||||
this.checkScreenName = null;
|
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}
|
||||
|
||||
// Delete temp files
|
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if (this.checkTempFile) {
|
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try {
|
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if (existsSync(this.checkTempFile)) {
|
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unlinkSync(this.checkTempFile);
|
||||
}
|
||||
} catch {
|
||||
// Best effort cleanup
|
||||
}
|
||||
this.checkTempFile = null;
|
||||
}
|
||||
|
||||
if (this.checkPromptFile) {
|
||||
try {
|
||||
if (existsSync(this.checkPromptFile)) {
|
||||
unlinkSync(this.checkPromptFile);
|
||||
}
|
||||
} catch {
|
||||
// Best effort cleanup
|
||||
}
|
||||
this.checkPromptFile = null;
|
||||
}
|
||||
}
|
||||
|
||||
private handleError(errorMsg: string): void {
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||||
this.consecutiveErrors++;
|
||||
this.log(`AI check error (${this.consecutiveErrors}/${this.config.maxConsecutiveErrors}): ${errorMsg}`);
|
||||
|
||||
if (this.consecutiveErrors >= this.config.maxConsecutiveErrors) {
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this.disable(`${this.config.maxConsecutiveErrors} consecutive errors: ${errorMsg}`);
|
||||
} else {
|
||||
this.startCooldown(this.config.errorCooldownMs);
|
||||
}
|
||||
}
|
||||
|
||||
private startCooldown(durationMs: number): void {
|
||||
this.clearCooldown();
|
||||
this.cooldownEndsAt = Date.now() + durationMs;
|
||||
this._status = 'cooldown';
|
||||
this.emit('cooldownStarted', this.cooldownEndsAt);
|
||||
this.log(`Cooldown started: ${Math.round(durationMs / 1000)}s`);
|
||||
|
||||
this.cooldownTimer = setTimeout(() => {
|
||||
this.cooldownEndsAt = null;
|
||||
this._status = 'ready';
|
||||
this.emit('cooldownEnded');
|
||||
this.log('Cooldown ended');
|
||||
}, durationMs);
|
||||
}
|
||||
|
||||
private clearCooldown(): void {
|
||||
if (this.cooldownTimer) {
|
||||
clearTimeout(this.cooldownTimer);
|
||||
this.cooldownTimer = null;
|
||||
}
|
||||
this.cooldownEndsAt = null;
|
||||
if (this._status === 'cooldown') {
|
||||
this._status = 'ready';
|
||||
}
|
||||
}
|
||||
|
||||
private disable(reason: string): void {
|
||||
this.disabledReason = reason;
|
||||
this._status = 'disabled';
|
||||
this.clearCooldown();
|
||||
this.log(`AI check disabled: ${reason}`);
|
||||
this.emit('disabled', reason);
|
||||
}
|
||||
|
||||
private log(message: string): void {
|
||||
this.emit('log', `[AiIdleChecker] ${message}`);
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user