fixes

static/js/workspace.js

@@ -92,6 +92,20 @@ function renderNotes(notes = notesCache) {
       ${deleteButton(note)}
     </article>`).join("");
 }
+async function showSystemNotFound() {
+  try {
+    const response = await fetch(`${location.pathname.replace(/\/$/, "")}/__not_found__`, {
+      cache: "no-store",
+      credentials: "same-origin",
+    });
+    const html = await response.text();
+    document.open();
+    document.write(html);
+    document.close();
+  } catch {
+    document.body.textContent = "404 Not Found";
+  }
+}
 async function openWorkspace() {
   try {
     const data = await api(`/api/workspaces/${encodeURIComponent(slug)}/open`, { method: "POST", body: JSON.stringify({ access_token: accessToken || null }) });
@@ -106,8 +120,8 @@ async function openWorkspace() {
     if (info?.protected || e.message.toLowerCase().includes("password")) {
       document.querySelector("#password-error").textContent = e.message;
       if (!dialog.open) dialog.showModal();
-    } else if (e.status === 403) {
-      location.replace("/errors/private-workspace");
+    } else if (e.status === 403 || e.status === 404) {
+      await showSystemNotFound();
     } else document.querySelector("#workspace-error").textContent = e.message;
   }
 }
@@ -119,7 +133,7 @@ async function init() {
     document.querySelector("#workspace-url").textContent = location.pathname;
     if (info.protected && !accessToken) dialog.showModal(); else openWorkspace();
   } catch (e) {
-    if (e.status === 403) location.replace("/errors/private-workspace");
+    if (e.status === 403 || e.status === 404) await showSystemNotFound();
     else document.querySelector("#workspace-error").textContent = e.message;
   }
 }