add a vim-like command line under :

static/js/dev/live-reload.js

@@ -0,0 +1,22 @@
+// NOTE: The server never fulfills this request, it stalls forever.
+// Once the connection is closed, we try to connect with the server until we establish a successful
+// connection. Then we reload the page.
+
+let shouldReload = true;
+addEventListener("beforeunload", () => {
+    shouldReload = false;
+});
+
+await fetch("/dev/live-reload/stall").catch(async () => {
+    while (shouldReload) {
+        try {
+            let response = await fetch("/dev/live-reload/back-up");
+            if (response.status == 200) {
+                window.location.reload();
+                break;
+            }
+        } catch (e) {
+            await new Promise((resolve) => setTimeout(resolve, 100));
+        }
+    }
+});