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// module-orchestrator.js — Multi-agent orchestration system
// Commands: orchestrate, orchestrator-status, orchestrator-spawn, orchestrator-kill, orchestrator-purge
class OrchestratorModule {
constructor() {
this.commands = {};
this.terminal = null;
this._agents = {};
this._SPAWN_LIMIT = 3;
this._heartbeatInterval = null;
}
registerCommands() {
this.commands['orchestrate'] = (args) => this.delegateTask(args.join(' '));
this.commands['orchestrator-status'] = () => this.showStatus();
this.commands['orchestrator-spawn'] = (args) => this.spawnAgent(args[0], args.slice(1));
this.commands['orchestrator-kill'] = (args) => this.killAgent(args[0]);
this.commands['orchestrator-purge'] = () => this.purgeDeadAgents();
}
init(terminal) {
this.terminal = terminal;
// Register orchestrator in the agent registry
const registry = this.terminal.moduleManager.modules['AgentRegistryModule'];
if (registry) {
registry.registerAgent(['register', 'orchestrator-0', 'delegate', 'spawn', 'monitor', 'purge']);
}
// Heartbeat watchdog every 3 seconds
this._heartbeatInterval = setInterval(() => this._checkHeartbeats(), 3000);
this.terminal.print('🧠 Orchestrator loaded — ready to delegate', 'success');
}
spawnAgent(role, capabilities) {
const id = `agent-${Object.keys(this._agents).length + 1}-${role || 'worker'}`;
if (Object.keys(this._agents).length >= this._SPAWN_LIMIT) {
this.terminal.print(`❌ Agent spawn limit (${this._SPAWN_LIMIT}) reached`, 'error');
return null;
}
const agent = {
id,
role: role || 'worker',
capabilities: capabilities.length ? capabilities : ['list_files', 'read_file', 'web_search'],
createdAt: new Date().toISOString(),
lastHeartbeat: Date.now(),
status: 'idle',
currentTask: null
};
this._agents[id] = agent;
// Register in agent registry
const registry = this.terminal.moduleManager.modules['AgentRegistryModule'];
if (registry) registry.registerAgent(['register', id, ...agent.capabilities]);
this.terminal.print(`🤖 Agent '${id}' spawned (role: ${role || 'worker'}, ${agent.capabilities.length} caps)`, 'success');
return agent;
}
killAgent(id) {
if (!this._agents[id]) return this.terminal.print(`❌ Agent '${id}' not found`, 'error');
// Revoke any active lease
const leaseModule = this.terminal.moduleManager.modules['LeaseModule'];
if (leaseModule) {
Object.values(leaseModule._leases).forEach(l => {
if (l.workerId === id && l.status === 'active') leaseModule.revokeLease(l.id);
});
}
// Unregister from registry
const registry = this.terminal.moduleManager.modules['AgentRegistryModule'];
if (registry) registry.unregisterAgent(id);
delete this._agents[id];
this.terminal.print(`💀 Agent '${id}' killed`, 'warning');
}
async delegateTask(task) {
if (!task) return this.terminal.print('Usage: orchestrate <task description>', 'error');
// Find an idle agent or auto-spawn
let agent = Object.values(this._agents).find(a => a.status === 'idle');
if (!agent) {
if (Object.keys(this._agents).length >= this._SPAWN_LIMIT) {
return this.terminal.print('❌ All agents busy and spawn limit reached', 'error');
}
this.spawnAgent('worker', ['list_files', 'read_file', 'write_file', 'web_search']);
agent = Object.values(this._agents).find(a => a.status === 'idle');
}
if (!agent) return this.terminal.print('❌ No available agents', 'error');
// A2A Contract handshake — validate task against agent's contract
const registry = this.terminal.moduleManager.modules['AgentRegistryModule'];
let contractValid = true;
if (registry) {
const result = registry.validateTask(agent.role, task);
if (!result.valid) {
this.terminal.print(`⚠️ A2A validation: ${result.reason}`, 'warning');
this.terminal.print(` Contract for '${agent.role}' requires: ${(registry.getContract(agent.role) || {}).input_schema || 'free-form'}`, 'warning');
// Offer to proceed anyway (permissive) — user can create a proper contract
contractValid = false;
} else if (result.reason === 'matched') {
this.terminal.print(`✅ A2A contract matched for role '${agent.role}'`, 'success');
}
}
// Create a lease
const leaseModule = this.terminal.moduleManager.modules['LeaseModule'];
const lease = leaseModule ? leaseModule.createLease(['lease-create', agent.id, '60', task]) : null;
// Mark agent as busy
agent.status = 'busy';
agent.currentTask = task;
agent.leaseId = lease?.id;
// Write task to agent's inbox
if (!this.terminal.fs.readFile(`/agents/${agent.id}/`)) this.terminal.fs.mkdir(`agents/${agent.id}`);
this.terminal.fs.writeFile(`agents/${agent.id}/inbox.json`, JSON.stringify({
task,
from: 'orchestrator-0',
leaseId: lease?.id,
timestamp: new Date().toISOString(),
ttl_seconds: 60
}));
this.terminal.print(`🎯 Delegated "${task.substring(0, 60)}" to ${agent.id} (lease: ${lease?.id || 'none'})`, 'info');
// Execute via AI assistant
try {
const aiModule = this.terminal.moduleManager.modules['WebX11AIAssistantModule'];
if (aiModule && typeof aiModule.chat === 'function') {
const result = await aiModule.chat([`[DELEGATED] ${task}`]);
agent.status = 'completed';
this.terminal.fs.writeFile(`agents/${agent.id}/outbox.json`, JSON.stringify({
result: result || 'completed',
status: 'completed',
timestamp: new Date().toISOString()
}));
this.terminal.print(`✅ ${agent.id} completed task`, 'success');
} else {
this.terminal.print(`ℹ️ AI module not available — task queued for ${agent.id}`, 'info');
}
} catch (e) {
agent.status = 'failed';
this.terminal.print(`❌ ${agent.id} failed: ${e.message}`, 'error');
}
// Return to idle pool
agent.status = 'idle';
agent.currentTask = null;
agent.lastHeartbeat = Date.now();
}
_checkHeartbeats() {
const now = Date.now();
Object.entries(this._agents).forEach(([id, agent]) => {
if (agent.status === 'busy' && now - agent.lastHeartbeat > 15000) {
this.terminal.print(`⚠️ Agent '${id}' unresponsive (${Math.round((now - agent.lastHeartbeat) / 1000)}s since heartbeat)`, 'warning');
}
});
}
purgeDeadAgents() {
const now = Date.now();
let count = 0;
Object.entries(this._agents).forEach(([id, agent]) => {
if (now - agent.lastHeartbeat > 60000) {
this.killAgent(id);
count++;
}
});
this.terminal.print(`🧹 Purged ${count} dead agents`, count > 0 ? 'warning' : 'info');
}
showStatus() {
const total = Object.keys(this._agents).length;
const busy = Object.values(this._agents).filter(a => a.status === 'busy').length;
const idle = Object.values(this._agents).filter(a => a.status === 'idle').length;
const failed = Object.values(this._agents).filter(a => a.status === 'failed').length;
this.terminal.print('🧠 Orchestrator Status', 'header');
this.terminal.print(` Agents: ${total} (${busy} busy, ${idle} idle, ${failed} failed)`, 'info');
this.terminal.print(` Spawn limit: ${this._SPAWN_LIMIT}`, 'info');
Object.values(this._agents).forEach(a => {
const task = a.currentTask ? ` (task: ${a.currentTask.substring(0, 40)})` : '';
this.terminal.print(` ${a.id} — ${a.status}${task}`, 'info');
});
}
}
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