Add 5 pi extensions: pi-subagents, pi-crew, rpiv-pi, pi-interactive-shell, pi-intercom

extensions/pi-crew/src/runtime/worker-heartbeat.ts

@@ -0,0 +1,21 @@
+export interface WorkerHeartbeatState {
+	workerId: string;
+	pid?: number;
+	lastSeenAt: string;
+	lastStdoutAt?: string;
+	lastEventAt?: string;
+	turnCount?: number;
+	alive?: boolean;
+}
+
+export function createWorkerHeartbeat(workerId: string, pid?: number, now = new Date()): WorkerHeartbeatState {
+	return { workerId, pid, lastSeenAt: now.toISOString(), alive: true };
+}
+
+export function touchWorkerHeartbeat(heartbeat: WorkerHeartbeatState, updates: Partial<Omit<WorkerHeartbeatState, "workerId">> = {}, now = new Date()): WorkerHeartbeatState {
+	return { ...heartbeat, ...updates, lastSeenAt: now.toISOString() };
+}
+
+export function isWorkerHeartbeatStale(heartbeat: WorkerHeartbeatState, staleMs: number, now = new Date()): boolean {
+	return now.getTime() - Date.parse(heartbeat.lastSeenAt) > staleMs;
+}