beam: stabilize startup model loading

server/index.js

@@ -86,6 +86,11 @@ const sendText = (res, status, message) => {
     res.end(message);
 };
 
+const truncateLogValue = (value, maxLength = 2400) => {
+    const text = typeof value === "string" ? value : JSON.stringify(value);
+    return text.length > maxLength ? `${text.slice(0, maxLength)}…` : text;
+};
+
 const setCors = (res) => {
     res.setHeader("Access-Control-Allow-Origin", "*");
     res.setHeader("Access-Control-Allow-Methods", "GET,POST,PUT,PATCH,DELETE,OPTIONS");
@@ -735,6 +740,9 @@ const handleDeleteProject = async (res, projectId) => {
 
 const requestHandler = async (req, res) => {
     const url = new URL(req.url, `http://${req.headers.host || "localhost"}`);
+    if (req.method === "GET" && url.pathname === "/") {
+        console.log("[viewer-request]", truncateLogValue(`${url.pathname}${url.search}`));
+    }
 
     if (req.method === "OPTIONS") {
         setCors(res);
@@ -743,6 +751,18 @@ const requestHandler = async (req, res) => {
         return;
     }
 
+    if (req.method === "POST" && url.pathname === "/api/client-log") {
+        const payload = await parseJSONBody(req);
+        console.log(
+            "[viewer-client]",
+            payload?.level || "info",
+            payload?.event || "event",
+            truncateLogValue(payload || {})
+        );
+        sendJSON(res, 200, {ok: true});
+        return;
+    }
+
     if (url.pathname.startsWith("/api/projects")) {
         if (req.method === "GET" && url.pathname === "/api/projects") {
             return handleGetProjects(res, url.searchParams);