Initial WireGuard admin panel: FastAPI UI, peer key management, live monitoring, Docker deploy

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

app/static/status.js

@@ -0,0 +1,64 @@
+const REFRESH_MS = 5000;
+
+function fmtBytes(num) {
+  const units = ["B", "KiB", "MiB", "GiB", "TiB"];
+  let i = 0;
+  while (Math.abs(num) >= 1024 && i < units.length - 1) {
+    num /= 1024;
+    i++;
+  }
+  return num.toFixed(1) + " " + units[i];
+}
+
+function fmtHandshake(iso) {
+  if (!iso) return "never";
+  const seconds = Math.floor((Date.now() - new Date(iso).getTime()) / 1000);
+  if (seconds < 60) return seconds + "s ago";
+  if (seconds < 3600) return Math.floor(seconds / 60) + "m ago";
+  return Math.floor(seconds / 3600) + "h ago";
+}
+
+async function refresh() {
+  let data;
+  try {
+    const res = await fetch("/api/status");
+    if (!res.ok) return;
+    data = await res.json();
+  } catch {
+    return;
+  }
+
+  const online = data.peers.filter((p) => p.online).length;
+  const set = (id, value) => {
+    const el = document.getElementById(id);
+    if (el) el.textContent = value;
+  };
+  set("peer-count", data.peers.length);
+  set("online-count", online);
+  set("total-rx", fmtBytes(data.interface.total_rx));
+  set("total-tx", fmtBytes(data.interface.total_tx));
+
+  const tbody = document.querySelector("#peer-table tbody");
+  if (!tbody) return;
+  tbody.innerHTML = "";
+  for (const p of data.peers) {
+    const tr = document.createElement("tr");
+    const badge = p.online
+      ? '<span class="badge ok">online</span>'
+      : p.enabled
+        ? '<span class="badge muted">offline</span>'
+        : '<span class="badge err">disabled</span>';
+    tr.innerHTML =
+      `<td><a href="/peers/${p.id}"></a></td>` +
+      `<td>${p.address}</td>` +
+      `<td>${badge}</td>` +
+      `<td>${fmtHandshake(p.latest_handshake)}</td>` +
+      `<td>${fmtBytes(p.rx_bytes)}</td>` +
+      `<td>${fmtBytes(p.tx_bytes)}</td>`;
+    tr.querySelector("a").textContent = p.name;
+    tbody.appendChild(tr);
+  }
+}
+
+refresh();
+setInterval(refresh, REFRESH_MS);