Restore public feed state when navigating Back from Wallet

2 files changed, 25 insertions, 1 deletions

diff --git a/src/app.js b/src/app.js
index cb6a030..7dde883 100644
--- a/src/app.js
+++ b/src/app.js
@@ -737,7 +737,7 @@ wallet.subscribe(scheduleRender);
 // lightbox: a full-screen photo is a place too — the phone's Back must close
 // it, not pop the screen under it (which once walked a viewer straight back
 // to the start page, so the photo's × then looked like a logout).
-const NAV_FIELDS = ['screen', 'tab', 'txDetail', 'arkMoveDetail', 'arkReconDetail', 'arkExitDetail', 'giftDetail', 'bump', 'giftMode', 'claimStep', 'chatOpen', 'msgView', 'feedId', 'arkCoinsPage', 'arkExitPage', 'msgCommunity', 'msgPeer', 'profilePk', 'profEdit', 'profEditFilled', 'profOverThread', 'settingsPage', 'nameEditOpen', 'noteThread', 'userSearch', 'zapSetup', 'hatShop', 'lightbox'];
+const NAV_FIELDS = ['screen', 'tab', 'txDetail', 'arkMoveDetail', 'arkReconDetail', 'arkExitDetail', 'giftDetail', 'bump', 'giftMode', 'claimStep', 'chatOpen', 'msgView', 'feedId', 'pubProf', 'arkCoinsPage', 'arkExitPage', 'msgCommunity', 'msgPeer', 'profilePk', 'profEdit', 'profEditFilled', 'profOverThread', 'settingsPage', 'nameEditOpen', 'noteThread', 'userSearch', 'zapSetup', 'hatShop', 'lightbox'];
 function navSnapshot() {
   const s = {};
   for (const f of NAV_FIELDS) s[f] = ui[f] ?? null;
diff --git a/tools/feed-wallet-back-test.js b/tools/feed-wallet-back-test.js
new file mode 100644
index 0000000..cd61184
--- /dev/null
+++ b/tools/feed-wallet-back-test.js
@@ -0,0 +1,24 @@
+// Exercise the real app history: a public feed must survive Wallet -> Back.
+// Run: bun tools/feed-wallet-back-test.js
+import assert from 'node:assert/strict';
+import puppeteer from 'puppeteer-core';
+import { buildHtml } from '../build.js';
+const html = await buildHtml({ minify: true, pwa: false });
+const server = Bun.serve({ port: 0, fetch: req => new URL(req.url).pathname === '/api/feed'
+  ? new Response(null, { status: 404 }) : new Response(html, { headers: { 'content-type': 'text/html; charset=utf-8' } }) });
+const browser = await puppeteer.launch({ executablePath: '/usr/bin/google-chrome', headless: true, args: ['--no-sandbox'] });
+try {
+  const page = await browser.newPage();
+  await page.setViewport({ width: 390, height: 844, isMobile: true, hasTouch: true });
+  await page.setRequestInterception(true);
+  page.on('request', r => r.url().startsWith(server.url.origin) ? r.continue() : r.abort());
+  await page.goto(server.url.origin + '/feed', { waitUntil: 'domcontentloaded' });
+  await page.waitForSelector('.feed-bottom-nav', { visible: true });
+  await page.tap('.feed-nav-button:nth-child(4)');
+  await page.waitForFunction(() => !document.querySelector('.feed-bottom-nav'));
+  await page.goBack({ waitUntil: 'domcontentloaded' });
+  await page.waitForSelector('.feed-bottom-nav', { visible: true, timeout: 5000 });
+  assert(await page.$eval('.feed-bottom-nav', e => !e.hidden && e.getBoundingClientRect().height > 0));
+  assert.equal(await page.evaluate(() => scrollY), 0, 'visible on return without scrolling');
+  console.log('✓ Real browser Back restores the public feed and visible navigation after Wallet');
+} finally { await browser.close(); server.stop(true); }