Replace browser popups with in-page dialogs; focus new-task prompt

web/src/app.ts

@@ -1,5 +1,5 @@
 import { get, put, subscribe } from "./api.js";
-import { errorText, h, replace } from "./dom.js";
+import { errorText, h, replace, showAlert } from "./dom.js";
 import { mountNavbar } from "./navbar.js";
 import { Pane } from "./panes.js";
 import { handleEvent, loadInbox, loadMe, loadProjects, notify, on, selectTask, state } from "./state.js";
@@ -21,7 +21,7 @@ function identityBanner(root: HTMLElement): void {
         state.me = await put("/api/me", { body: { git_name: name.value, git_email: email.value } });
         render();
       } catch (err) {
-        alert(errorText(err));
+        void showAlert(errorText(err));
       }
     };
     root.hidden = false;