fix: ask in the page instead of native confirm/alert

A native confirm() or alert() leaves the desktop client unable to type
until the window is refocused. ask.js draws both in the page; the SPA
test now bans all three browser dialogs.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/packages/meshbay-hub/src/meshbay_hub/static/explore-page.js b/packages/meshbay-hub/src/meshbay_hub/static/explore-page.js
index bb47487..36b63a1 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/explore-page.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/explore-page.js
@@ -2,6 +2,7 @@ import {
   html, useState, useEffect, useCallback,
 } from './vendor/htm-preact.js';
 import { t } from './i18n.js';
+import { tell } from './ask.js';
 import { hubFetch, navigate } from './hub-client.js';
 import * as platform from './platform.js';
 import { GroupName } from './group-name.js';
@@ -40,7 +41,7 @@ export function ExplorePage({ token, myGroupIds, allowPublicGroups = true }) {
       if (err.message.includes('Already a member')) {
         navigate(`/group/${gid}`);
       } else {
-        alert(err.message);
+        tell(err.message);
       }
     } finally {
       setJoining(null);