Implement agent runtime services and WebSocket realtime

Expand heartbeat service with full run executor, wakeup coordinator,
and adapter lifecycle. Add run-log-store for pluggable log persistence.
Add live-events service and WebSocket handler for realtime updates.
Expand agent and issue routes with runtime operations. Add ws dependency.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

server/src/services/live-events.ts

@@ -0,0 +1,40 @@
+import { EventEmitter } from "node:events";
+import type { LiveEvent, LiveEventType } from "@paperclip/shared";
+
+type LiveEventPayload = Record<string, unknown>;
+type LiveEventListener = (event: LiveEvent) => void;
+
+const emitter = new EventEmitter();
+emitter.setMaxListeners(0);
+
+let nextEventId = 0;
+
+function toLiveEvent(input: {
+  companyId: string;
+  type: LiveEventType;
+  payload?: LiveEventPayload;
+}): LiveEvent {
+  nextEventId += 1;
+  return {
+    id: nextEventId,
+    companyId: input.companyId,
+    type: input.type,
+    createdAt: new Date().toISOString(),
+    payload: input.payload ?? {},
+  };
+}
+
+export function publishLiveEvent(input: {
+  companyId: string;
+  type: LiveEventType;
+  payload?: LiveEventPayload;
+}) {
+  const event = toLiveEvent(input);
+  emitter.emit(input.companyId, event);
+  return event;
+}
+
+export function subscribeCompanyLiveEvents(companyId: string, listener: LiveEventListener) {
+  emitter.on(companyId, listener);
+  return () => emitter.off(companyId, listener);
+}