Prepare game updates and single-process PM2 deployment

tests/peer-browser-monitor.js

@@ -1,12 +1,20 @@
 // Diagnostic harness for real-browser testing; excluded from production bundles.
 (() => {
   const NativePeer = window.RTCPeerConnection, NativeSocket = window.WebSocket;
-  const trace = []; let sockets = 0, nextPeer = 0;
+  const trace = [], channels = new Set(); let sockets = 0, nextPeer = 0, dropPackets = false;
   document.addEventListener('DOMContentLoaded', () => {
     const controls = document.createElement('aside');
     controls.style.cssText = 'position:fixed;right:0;top:0;z-index:100;background:white;color:black;padding:4px';
     controls.innerHTML = '<label>검증 입력 <select id="test-input"><option value="none">수동</option><option value="charge">충전 반복</option><option value="blast">충전 후 파</option><option value="guard">막기 반복</option></select></label>';
     document.body.append(controls);
+    for (const [label, action] of [
+      ['채널 종료', () => { for (const channel of channels) if (channel.readyState === 'open') channel.close(); }],
+      ['패킷 차단', () => { dropPackets = true; report('packets-blocked'); }],
+      ['패킷 복구', () => { dropPackets = false; report('packets-restored'); }],
+    ]) {
+      const button = document.createElement('button'); button.textContent = label;
+      button.onclick = action; controls.append(button);
+    }
     setInterval(() => {
       const mode = controls.querySelector('select').value;
       if (mode === 'none') return;
@@ -36,6 +44,11 @@
     setConfiguration(value) { try { super.setConfiguration(value); report('configuration-updated', { id: this.testId }); } catch (error) { report('configuration-error', { message: error.message, state: this.connectionState, before: this.getConfiguration().bundlePolicy, after: value.bundlePolicy }); throw error; } }
     restartIce() { try { super.restartIce(); report('ice-restart', { id: this.testId }); } catch (error) { report('restart-error', { message: error.message, state: this.connectionState }); throw error; } }
     monitor(channel) {
+      channels.add(channel);
+      channel.addEventListener('close', () => channels.delete(channel));
+      const send = channel.send.bind(channel);
+      channel.send = data => { if (!dropPackets) send(data); };
+      channel.addEventListener('message', event => { if (dropPackets) event.stopImmediatePropagation(); }, { capture: true });
       for (const event of ['open', 'close', 'error']) channel.addEventListener(event, () => report('channel-' + event, { id: this.testId }));
       channel.addEventListener('message', event => { try { const m = JSON.parse(event.data); report('message', { id: this.testId, type: m.type, epoch: m.connectionEpoch ?? m.epoch, turn: m.turnId }); } catch {} });
       channel.addEventListener('open', () => { void this.getStats().then(stats => {