overmind-mcp/dist/lib/sessions.js

Orchestrateur universel agents IA multi-modeles via MCP. Inclut le protocole 'Custom-Nickname' pour identifier vos agents avec des surnoms originaux (The Chaos Prophet, Shadow Sniper, etc.), l'isolation mémoire (Private Memory Context) et le support pour

import fs from 'fs/promises';
import path from 'path';
import { Mutex } from 'async-mutex';
import { getWorkspaceDir } from './config.js';
import { rootLogger } from './logger.js';
const logger = rootLogger.child({ module: 'sessions' });
const sessionMutex = new Mutex();
const SESSIONS_FILE = 'bridge/agents.json';
const SESSION_TTL_MS = 30 * 24 * 60 * 60 * 1000;
function getSessionsPath(workspaceDir) {
    return path.resolve(workspaceDir || getWorkspaceDir(), SESSIONS_FILE);
}
function buildKey(runner, agentName) {
    return runner ? `${runner}:${agentName}` : agentName;
}
async function purgeExpired(sessions) {
    const now = Date.now();
    const purged = {};
    let changed = false;
    for (const [key, val] of Object.entries(sessions)) {
        if (typeof val === 'object' && val !== null && 'ts' in val) {
            if (now - val.ts < SESSION_TTL_MS) {
                purged[key] = val;
            }
            else {
                changed = true;
            }
        }
        else {
            purged[key] = val;
        }
    }
    return changed ? purged : sessions;
}
function extractId(val) {
    if (!val)
        return null;
    if (typeof val === 'string')
        return val;
    return val.id || null;
}
export async function getLastSessionId(agentName, workspaceDir, runner) {
    return sessionMutex.runExclusive(async () => {
        try {
            const filePath = getSessionsPath(workspaceDir);
            const content = await fs.readFile(filePath, 'utf-8');
            let sessions = JSON.parse(content);
            sessions = await purgeExpired(sessions);
            const namespacedKey = buildKey(runner, agentName);
            if (sessions[namespacedKey]) {
                return extractId(sessions[namespacedKey]);
            }
            return extractId(sessions[agentName]) || null;
        }
        catch (_error) {
            return null;
        }
    });
}
export async function saveSessionId(agentName, sessionId, workspaceDir, runner) {
    return sessionMutex.runExclusive(async () => {
        const filePath = getSessionsPath(workspaceDir);
        const dir = path.dirname(filePath);
        try {
            await fs.mkdir(dir, { recursive: true });
            let sessions = {};
            try {
                const content = await fs.readFile(filePath, 'utf-8');
                sessions = JSON.parse(content);
                sessions = await purgeExpired(sessions);
            }
            catch (_e) {
                // Ignore error (file new)
            }
            const key = buildKey(runner, agentName);
            sessions[key] = { id: sessionId, ts: Date.now() };
            await fs.writeFile(filePath, JSON.stringify(sessions, null, 2), 'utf-8');
        }
        catch (error) {
            logger.error({ agentName, error }, 'Failed to save session ID.');
        }
    });
}
export async function deleteSessionId(agentName, workspaceDir, runner) {
    return sessionMutex.runExclusive(async () => {
        const filePath = getSessionsPath(workspaceDir);
        try {
            const content = await fs.readFile(filePath, 'utf-8');
            let sessions = JSON.parse(content);
            const namespacedKey = buildKey(runner, agentName);
            let deleted = false;
            if (sessions[namespacedKey]) {
                delete sessions[namespacedKey];
                deleted = true;
            }
            if (sessions[agentName]) {
                delete sessions[agentName];
                deleted = true;
            }
            if (deleted) {
                sessions = await purgeExpired(sessions);
                await fs.writeFile(filePath, JSON.stringify(sessions, null, 2), 'utf-8');
            }
        }
        catch (_e) {
            // Ignore
        }
    });
}
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