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New markup over an old stylesheet

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Reported from a desktop browser: a stray close button beside the logo, badly
drawn, and a page that would not scroll. None of it was in the code that was
running -- it was the code the browser had not fetched.

The worker caches /static/ under a cache named for the release while the files
in it carried no version, and a page is fetched network-first. That only ever
worked because the worker used to seize every open tab the instant it installed
and wipe the old cache. 1.1.0 stopped it doing that, rightly -- it was swapping
stylesheets out from under a streaming reply -- and a momentary mismatch became
a permanent one: new markup over the previous release's CSS for as long as the
old worker lived. `.sidebar__close` had no rule there, so `.btn--icon` made it
inline-flex: visible everywhere, placed by nothing.

Every /static/ URL carries the release now, written by `templating.asset` and
precached by `sw.js:versioned` -- both halves, because caches.match compares the
query too and precaching the bare path would cache entries nothing requests.
Self-correcting: updating is enough.

The header was also a brand with a button appended and margin-left:auto doing
the placing, which holds exactly while that button is last. Two slots now: a
brand that shrinks and truncates, and a rail on the trailing edge.

Verified before changing anything: with the current stylesheet the button is
display:none at 1280 and, with thirty chats and forty messages, both scrollers
scroll. The first measurement said the thread did not -- that was
scroll-behavior: smooth reporting where it started.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Homer
2026-09-25 18:16:24 +00:00
co-authored by Claude Opus 5
parent 28390095a9
commit 201281d616
18 changed files with 216 additions and 48 deletions
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src/lembas/web/templates/chat/index.html
+8 -8
View File
@@ -4,9 +4,9 @@
{% block title %}{{ chat.title if chat else "New chat" }} - {{ brand.name }}{% endblock %}
{% block head %}
<link rel="stylesheet" href="{{ url_for('static', path='css/chat.css') }}">
<link rel="stylesheet" href="{{ asset('css/chat.css') }}">
{% if terminal_enabled %}
<link rel="stylesheet" href="{{ url_for('static', path='vendor/xterm.css') }}">
<link rel="stylesheet" href="{{ asset('vendor/xterm.css') }}">
{% endif %}
{% endblock %}
@@ -393,21 +393,21 @@
{% block scripts %}
{# Unconditional: every chat has a transcript, and this is what keeps a block
somebody opened open across the swaps that arrive twelve times a second. #}
<script src="{{ url_for('static', path='js/steps.js') }}" defer></script>
<script src="{{ asset('js/steps.js') }}" defer></script>
{% if not chat and (canvas_enabled or terminal_enabled) %}
{# Only where there is no chat yet. It points both panels at a draft id for
whatever the composer has selected, and does nothing at all once a chat
exists -- which is every other page this block renders on. #}
<script src="{{ url_for('static', path='js/draft.js') }}" defer></script>
<script src="{{ asset('js/draft.js') }}" defer></script>
{% endif %}
{% if canvas_enabled %}
<script src="{{ url_for('static', path='js/canvas.js') }}" defer></script>
<script src="{{ asset('js/canvas.js') }}" defer></script>
{% endif %}
{% if terminal_enabled %}
{# Only where it can be used. xterm is nearly three times everything else
vendored, so a plain chat must never load it. #}
<script src="{{ url_for('static', path='vendor/xterm.js') }}" defer></script>
<script src="{{ url_for('static', path='vendor/xterm-addon-fit.js') }}" defer></script>
<script src="{{ url_for('static', path='js/terminal.js') }}" defer></script>
<script src="{{ asset('vendor/xterm.js') }}" defer></script>
<script src="{{ asset('vendor/xterm-addon-fit.js') }}" defer></script>
<script src="{{ asset('js/terminal.js') }}" defer></script>
{% endif %}
{% endblock %}