From 94b5a7cf832f7da07c18e9eee10f845799b9b657 Mon Sep 17 00:00:00 2001
From: Adam Soltys <adam@coinos.io>
Date: Thu, 1 Oct 2026 22:38:55 -0700
Subject: New posts go in above the first post at the top of the feed

Arrivals used to wait behind the pill whenever the feed header was on
screen. They now go in above the first post with that post held where
it is, so the page grows upward and can be scrolled to before tapping
the pill. While the composer or another header field is in use they
still wait. The pill clears only when the reader scrolls up to the
newest post, not on the hold's own downward correction.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 src/features/messages.js | 32 ++++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)

(limited to 'src/features')

diff --git a/src/features/messages.js b/src/features/messages.js
index 48df13a..a7f6820 100644
--- a/src/features/messages.js
+++ b/src/features/messages.js
@@ -3616,6 +3616,7 @@ export function messagesFeature(ctx) {
   // Registered at CONSTRUCTION, not init(): the public no-wallet profile
   // (a /username deep link over the unlock screen) scrolls too, and init
   // only runs once a wallet opens.
+  let lastFeedY = 0;
   if (typeof window !== 'undefined') {
     window.addEventListener('scroll', () => {
       if (!ui.profilePk && (!(ui.chatOpen && ui.msgView === 'feed') || ui.noteThread)) return;
@@ -3623,7 +3624,11 @@ export function messagesFeature(ctx) {
       // back at the top by yourself: the new posts are under your eyes, so
       // the notice has done its job (only the pill repaints — the rows are
       // keyed and stay put, so nothing moves under a finger)
-      if (!ui.profilePk && feed && feed.unseen && atFeedTop()
+      // Upward only: holding the page still as posts go in above scrolls it
+      // DOWN, and that must not count as having gone up to look at them.
+      const y = window.scrollY || 0, up = y < lastFeedY;
+      lastFeedY = y;
+      if (!ui.profilePk && feed && feed.unseen && up && atFeedTop()
         && !feed.deferred?.some((e) => feed.fresh?.has(e.id))) { feed.unseen = 0; render(); }
       if (!ui.profilePk && feed?.deferred?.length) admitFeed(feed.deferred, feed);
       if (window.innerHeight + window.scrollY < (document.documentElement.scrollHeight || 0) - (ui.profilePk ? 600 : Math.max(2400, window.innerHeight * 3))) return;
@@ -4760,10 +4765,28 @@ export function messagesFeature(ctx) {
     ui.chatOpen = true; ui.msgView = 'feed';
     switchFeed(id);
   }
-  // Reaching the top manually clears the new-post notice.
-  const FEED_TOP_PX = 120;
+  // Reaching the newest post manually clears the new-post notice. Not a
+  // scroll offset: new posts go in above the reader with the page held, so
+  // the page is pushed off the top by however tall they are, and a short
+  // one would leave scrollY under any fixed threshold unseen.
   const atFeedTop = () => {
-    try { return (window.scrollY || 0) < FEED_TOP_PX; } catch { return true; }
+    try {
+      const top = document.querySelector('.notes-feed > .row[data-key]');
+      return !!top && !document.querySelector('.notes-feed > .feed-spacer[data-key="win-top"]')
+        && top.getBoundingClientRect().top > -40;
+    } catch { return true; }
+  };
+  // Something above the posts is in use — a post being written, the relay
+  // panel, a focused field — so new posts wait behind the pill rather than
+  // push it off the screen.
+  const headBusy = () => {
+    if (ui.profCompose != null || ui.feedRelayEdit) return true;
+    try {
+      const a = document.activeElement;
+      // a field, not a button: a tapped chip keeps the focus afterwards
+      return !!a && !!a.closest('input, textarea, select, [contenteditable], coinos-text')
+        && !!a.closest('.feed-page') && !a.closest('.notes-feed');
+    } catch { return false; }
   };
 
   // Resolve the whole first presentation before admitting a row. The
@@ -5102,6 +5125,7 @@ export function messagesFeature(ctx) {
     const result = mergeFeedWindow(c.notes, c.shown, add, {
       rows: rows.map((r) => ({ id: r.getAttribute('data-key'), top: r.getBoundingClientRect().top, bottom: r.getBoundingClientRect().bottom })),
       height: typeof window === 'undefined' ? 0 : window.innerHeight, keep: FEED_KEEP, page: FEED_PAGE,
+      holdHead: headBusy(),
     });
     c.deferred = result.deferred;
     if (!result.added.length) { if (noticed) scheduleRepaint(); return; }
-- 
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