v0.35.1: performance, AGPL licensing and documentation overhaul

- Web Server reads static files inline; proxy middleware chain flattened
- About window with license summary and project links; AGPL-3.0-or-later
- Rewritten documentation: feature list, screenshots, performance guide
- Fix false spikes in per-Vhost request-rate charts

src/admin/web/vhosts/render.js

@@ -516,6 +516,7 @@ function renderStatus(status) {
       errors: metrics ? Number(metrics.errors) || 0 : existing.errors ?? 0,
       traffic: metrics ? vhostTrafficRate(id, metrics, trafficSnapshot, trafficNow, seenVhostTraffic) : existing.traffic ?? 0,
       latency: metrics ? Number(metrics.ewma_latency_ms) || 0 : existing.latency ?? 0,
+      measured: Boolean(metrics) || Boolean(existing.measured),
     });
   }
   for (const key of vhostTrafficHistory.keys()) if (!seenVhostTraffic.has(key)) vhostTrafficHistory.delete(key);
@@ -533,8 +534,10 @@ function renderStatus(status) {
   fill("vhostLatency", d => d.latency > 0 ? `${fmt(d.latency, 1)} ms` : "-"); fill("vhostTraffic", d => `${rateBytes(d.traffic)}/s`);
   const now = performance.now();
   for (const [id, data] of aggregate) {
+    if (!data.measured) continue;
     const history = chartHistory.get(id) || { last: null, points: [], bucketSize: 1, pendingSum: 0, pendingCount: 0 };
     const sample = rustProxyRateSampling.difference(history.last, [data.requests], now, rustProxyRateSampling.cadence("overview_seconds"));
+    if (sample.rapid) continue;
     const pausedRate = history.last !== null && sample.deltas === null;
     history.last = sample.next;
     const rate = sample.deltas ? sample.deltas[0] / sample.seconds : 0;