Add filters and context to host operation history

src/lib/server/pipeline/activity.ts

@@ -1,4 +1,5 @@
 import type { WorkerActivity } from '../../provisioning-detail.js';
+import { currentOperationSource, withOperationSource } from '../hosts/operation-context.js';
 
 const active = new Map<string, WorkerActivity>();
 let sequence = 0;
@@ -11,6 +12,6 @@ export function workerActivity(): WorkerActivity[] {
 export async function trackActivity<T>(key: string, label: string, work: () => Promise<T>): Promise<T> {
     if (active.has(key)) key = `${key}:${++sequence}`;
     active.set(key, { key, label, startedAt: new Date().toISOString() });
-    try { return await work(); }
+    try { return await withOperationSource(currentOperationSource() ?? label, work); }
     finally { active.delete(key); }
 }