Claude Infinite Context

import { readFile, writeFile, access } from 'fs/promises'; import { join } from 'path'; import { v4 as uuidv4 } from 'uuid'; import { logger } from './logger.js'; const SESSION_FILE = '.claude_session_id'; /** * Manages the .claude_session_id file in the project root */ export class SessionIdManager { private projectRoot: string; constructor(projectRoot: string) { this.projectRoot = projectRoot; } private get sessionFilePath(): string { return join(this.projectRoot, SESSION_FILE); } /** * Checks if the session file exists */ async exists(): Promise<boolean> { try { await access(this.sessionFilePath); return true; } catch { return false; } } /** * Reads the session ID from file, or creates a new one if it doesn't exist */ async getOrCreate(): Promise<string> { try { if (await this.exists()) { const content = await readFile(this.sessionFilePath, 'utf-8'); const sessionId = content.trim(); // Validate UUID format const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i; if (uuidRegex.test(sessionId)) { logger.info('Session ID loaded from file', { sessionId }); return sessionId; } else { logger.warn('Invalid session ID format in file, creating new one'); } } // Create new session ID const newSessionId = uuidv4(); await writeFile(this.sessionFilePath, newSessionId, 'utf-8'); logger.info('New session ID created', { sessionId: newSessionId }); return newSessionId; } catch (error) { logger.error('Failed to manage session ID file', { error }); throw new Error(`Session ID management failed: ${error}`); } } /** * Updates the session ID (useful for rollback scenarios) */ async update(sessionId: string): Promise<void> { try { await writeFile(this.sessionFilePath, sessionId, 'utf-8'); logger.info('Session ID updated', { sessionId }); } catch (error) { logger.error('Failed to update session ID', { error }); throw new Error(`Failed to update session ID: ${error}`); } } }