Long chats stay fast; search in a chat; media overview

Performance (measured with 5,900 messages: open 9 s -> 0.7 s, typing 440 ms -> 25 ms)
- GET /sessions/{id}?limit=N loads the end of a chat (from the last summary
  on, at most N); /sessions/{id}/messages?before|after|around loads more
  (scrolling up stops at a summary unless asked). Without parameters the
  full history as before (terminal client).
- Chat view: memoised message list (typing, streaming and status changes no
  longer re-render the history), finished turns fold into "N steps · M files"
  with the answer visible, tool card bodies and summaries are built only when
  opened, scroll-to-bottom only when content changes.

Search: /sessions/{id}/search over the whole chat; a hit loads its part
(around) and marks the message, "back to the latest messages" returns.

Media: /sessions/{id}/media lists images, videos and audio of a chat and its
subagents (generated images, tool output, files written, media in answers,
attachments); ⋯ -> Media shows them with filters, a large view and a jump to
the message.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Richard ZinkandClaude Opus 5.5 committed 2026-11-11 07:32:18 +01:00
1 parent 6e9eda28b5
commit 3b0764450a
14 files changed
+1278 -99

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@@ -4185,3 +4185,216 @@ span.chat-tab > button {
font-size: 12px;
}
}
/* --- long chats ------------------------------------------------------------------
* Finished turns fold into one line, older messages load on demand, search hits. */
.work-block > .work-head {
display: inline-flex;
align-items: center;
gap: 5px;
border: none;
background: none;
padding: 2px 0;
margin-bottom: 4px;
font-size: 12.5px;
color: var(--muted);
cursor: pointer;
}
.work-block > .work-head:hover {
color: var(--fg1);
}
.work-block.open {
border-left: 2px solid var(--bg2);
padding-left: 10px;
margin-bottom: 14px;
}
.older-loader {
display: flex;
justify-content: center;
padding: 6px 0 12px;
}
.back-to-latest {
position: sticky;
bottom: 8px;
display: flex;
align-items: center;
gap: 6px;
margin: 10px auto 0;
box-shadow: var(--shadow);
}
.msg.highlight,
.summary-divider[data-mid].highlight {
outline: 2px solid var(--accent);
outline-offset: 4px;
border-radius: var(--radius);
}
.chat-search {
border-bottom: 1px solid var(--bg2);
padding: 6px 12px;
background: var(--bg0);
}
.chat-search > .row {
display: flex;
align-items: center;
gap: 8px;
}
.chat-search > .row input {
flex: 1;
min-width: 0;
}
.chat-search-hits {
max-height: 40vh;
overflow-y: auto;
margin-top: 6px;
display: flex;
flex-direction: column;
gap: 2px;
}
.chat-search-hits button {
display: flex;
flex-direction: column;
align-items: flex-start;
gap: 2px;
text-align: left;
border: none;
background: transparent;
padding: 6px 8px;
border-radius: 6px;
}
.chat-search-hits button:hover {
background: var(--bg1);
}
.chat-search-hits .who {
font-size: 11.5px;
color: var(--muted);
}
.chat-search-hits .snippet {
font-size: 13px;
color: var(--fg1);
overflow: hidden;
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
}
/* --- media overview of a chat --------------------------------------------------- */
.media-gallery {
width: min(1100px, calc(100vw - 24px));
height: min(820px, calc(100dvh - 24px));
display: flex;
flex-direction: column;
gap: 10px;
}
.media-head {
display: flex;
align-items: center;
gap: 10px;
flex-wrap: wrap;
}
.media-head h3 {
margin: 0;
display: flex;
align-items: center;
gap: 6px;
}
.media-filters {
display: flex;
gap: 6px;
flex-wrap: wrap;
flex: 1;
}
.media-filters .chip-btn {
padding: 3px 10px;
font-size: 13px;
}
.media-filters small {
color: var(--muted);
margin-left: 2px;
}
.media-grid {
flex: 1;
min-height: 0;
overflow-y: auto;
display: grid;
grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
grid-auto-rows: 150px;
gap: 8px;
}
.media-tile {
position: relative;
padding: 0;
overflow: hidden;
border-radius: 8px;
background: var(--bg2);
border: 1px solid var(--bg3);
}
.media-tile img,
.media-tile video {
width: 100%;
height: 100%;
object-fit: cover;
display: block;
}
.media-tile .media-play {
position: absolute;
inset: 0;
margin: auto;
width: 34px;
height: 34px;
color: #fff;
filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.6));
}
.media-audio {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
gap: 8px;
height: 100%;
padding: 8px;
font-size: 12px;
color: var(--fg2);
word-break: break-all;
}
.media-audio .icon {
width: 28px;
height: 28px;
color: var(--accent);
}
.media-viewer {
flex: 1;
min-height: 0;
display: flex;
flex-direction: column;
gap: 8px;
}
.media-stage {
flex: 1;
min-height: 0;
display: flex;
align-items: center;
justify-content: center;
background: var(--bg1);
border-radius: 8px;
}
.media-stage img,
.media-stage video {
max-width: 100%;
max-height: 100%;
object-fit: contain;
}
.media-bar {
display: flex;
align-items: center;
gap: 6px;
flex-wrap: wrap;
font-size: 12.5px;
color: var(--fg2);
}
.media-bar .grow {
flex: 1;
min-width: 0;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}