Keep resume preparation and final verification outside connection timeouts

tests/fixtures/direct-server.js

@@ -9,7 +9,7 @@ Bun.serve({ port: 8095,
     if (url.pathname === '/') return new Response(`<!doctype html><button id="send">Send</button><div id="status"></div><script src="/sha256-wasm.js"></script><script src="/sha256.js"></script><script src="/direct-protocol.js"></script><script src="/settings-sections.js"></script><script src="/direct-media.js"></script><script>
       const id = new URL(location.href).searchParams.get('id');
       const ws = new WebSocket('ws://localhost:8095/ws?id=' + id);
-      window.resumeOffsets = []; const NativeWorker = window.Worker; window.Worker = class extends NativeWorker { constructor(...args) { super(...args); this.addEventListener('message', e => { if(e.data.op === 'opened') window.resumeOffsets.push(e.data.offset); }); } };
+      window.resumeOffsets = []; const NativeWorker = window.Worker; window.Worker = class extends NativeWorker { constructor(...args) { super(...args); this.addEventListener('message', e => { if(e.data.op === 'opened') window.resumeOffsets.push(e.data.offset); }); } set onmessage(fn) { super.onmessage = e => { const delay = Number(new URL(location.href).searchParams.get('prepareDelay')) || 0; if(e.data.op === 'opened' && delay) setTimeout(() => fn(e), delay); else fn(e); }; } };
       const meta = { id: 'testvideo', title: 'Direct test', channel: 'Fixture', duration: 1 };
       window.OPFS = { getFileObject: async () => new File([Uint8Array.from({length: 2000000}, (_,i)=>i%251)], 'test.mp4') };
       DirectMedia.configure({ current: () => meta, notify: text => document.getElementById('status').textContent = text, saved: file => window.received = file, fallback: () => window.failed = true });