From 36362ac9bc4840e5f302527f941770f85e5740c5 Mon Sep 17 00:00:00 2001
From: Leo Li <cheerleaderleo@outlook.com>
Date: Mon, 2 Nov 2026 00:40:28 +0000
Subject: [PATCH] Agent chat: the last turn's footer (Copy, Fork, Pin, Read
 aloud) shows without a hover once the turn ends

Leo, 2026-11-02: "i should be able to see the copy buttons on your responses when your things end"

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Agent-Session: https://cmux.com/deeplink/agent?id=aid-71440d91e22e80b54684
---
 webviews/src/agent-session/acpmux/App.tsx                 | 8 +++++++-
 .../agent-session/acpmux/conversation/conversation.css    | 6 ++++--
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/webviews/src/agent-session/acpmux/App.tsx b/webviews/src/agent-session/acpmux/App.tsx
index e469090aedb2..46cd9c48e635 100644
--- a/webviews/src/agent-session/acpmux/App.tsx
+++ b/webviews/src/agent-session/acpmux/App.tsx
@@ -2110,6 +2110,7 @@ const RowFrame = React.memo(function RowFrame({
   replyActions,
   status,
   lastFooter,
+  finalFooter,
   continuationFooter,
   lastTurn,
   index,
@@ -2147,6 +2148,10 @@ const RowFrame = React.memo(function RowFrame({
   status: StatusEdge | undefined;
   /// The chat's last footer: it ends at the message gap, so no band sits over the composer.
   lastFooter: boolean;
+  /// The footer that ends the chat (nothing drawn after it): its turn has ended, so its Copy row
+  /// shows without a hover (Leo, 2026-11-02: "i should be able to see the copy buttons on your
+  /// responses when your things end").
+  finalFooter: boolean;
   /// The next drawn turn belongs to this same assistant: half the normal turn gap.
   continuationFooter: boolean;
   /// The final row of a latest turn without a footer: preserve the normal turn gap at the composer.
@@ -2256,7 +2261,7 @@ const RowFrame = React.memo(function RowFrame({
       id={rowDomId(row.id)}
       data-row-id={row.id}
       data-row-card={row.ended ? "true" : undefined}
-      className={`acpmux-row acpmux-${kind}${isLineRow(row) ? " acpmux-row--line" : ""}${row.below ? " acpmux-row--below" : ""}${joinsPrevious ? " acpmux-row--after-step" : ""}${joinsNext ? " acpmux-row--before-step" : ""}${beforeFooter ? " acpmux-row--before-footer" : ""}${replyActions ? " acpmux-row--reply-room" : ""}${status ? ` acpmux-row--${status}` : ""}${lastFooter ? " acpmux-row--last-footer" : ""}${continuationFooter ? " acpmux-row--continuation-footer" : ""}${lastTurn ? " acpmux-row--last-turn" : ""}${messageEntering ? " acpmux-row--message-enter" : entering ? " acpmux-row--enter" : ""}${olderFade ? " acpmux-row--older" : ""}`}
+      className={`acpmux-row acpmux-${kind}${isLineRow(row) ? " acpmux-row--line" : ""}${row.below ? " acpmux-row--below" : ""}${joinsPrevious ? " acpmux-row--after-step" : ""}${joinsNext ? " acpmux-row--before-step" : ""}${beforeFooter ? " acpmux-row--before-footer" : ""}${replyActions ? " acpmux-row--reply-room" : ""}${status ? ` acpmux-row--${status}` : ""}${lastFooter ? " acpmux-row--last-footer" : ""}${finalFooter ? " acpmux-row--final-footer" : ""}${continuationFooter ? " acpmux-row--continuation-footer" : ""}${lastTurn ? " acpmux-row--last-turn" : ""}${messageEntering ? " acpmux-row--message-enter" : entering ? " acpmux-row--enter" : ""}${olderFade ? " acpmux-row--older" : ""}`}
       data-transcript-active={active ? "true" : undefined}
       data-transcript-selected={selected ? "true" : undefined}
       aria-current={active ? "true" : undefined}
@@ -5397,6 +5402,7 @@ export function VirtualTranscript({
                       replyActions={keepsReplyRoom(row, next)}
                       status={statusEdge(row, next, prevDrawnRow(rows, absoluteIndex))}
                       lastFooter={isLastFooter(row, next)}
+                      finalFooter={row.kind === "turnSummary" && !next}
                       continuationFooter={isContinuationFooter(row, next)}
                       lastTurn={row.lastTurn === true}
                       index={absoluteIndex}
diff --git a/webviews/src/agent-session/acpmux/conversation/conversation.css b/webviews/src/agent-session/acpmux/conversation/conversation.css
index c361d3a92f41..b707153e4551 100644
--- a/webviews/src/agent-session/acpmux/conversation/conversation.css
+++ b/webviews/src/agent-session/acpmux/conversation/conversation.css
@@ -3784,7 +3784,8 @@ a.cv-sha:focus-visible {
   font-variant-numeric: tabular-nums;
 }
 /* Hidden, its space kept, but for a failed turn, the turn the reader points at (data-turn-revealed,
-   VirtualTranscript) or keyboard focus. */
+   VirtualTranscript), keyboard focus, or the turn that ends the chat (App.tsx `acpmux-row--final-footer`):
+   once the agent is done its Copy shows without a hover, as Claude's and ChatGPT's (Leo, 2026-11-02). */
 .acpmux-turnSummary .cv-turn-actions {
   opacity: 0;
 }
@@ -3794,7 +3795,8 @@ a.cv-sha:focus-visible {
 .acpmux-turnSummary:has([data-popup-open]) .cv-turn-actions,
 .acpmux-turnSummary .cv-turn-actions:focus-within,
 .acpmux-turnSummary .cv-turn-actions--failed,
-.acpmux-turnSummary .cv-turn-actions--resumable {
+.acpmux-turnSummary .cv-turn-actions--resumable,
+.acpmux-row--final-footer .cv-turn-actions {
   opacity: 1;
 }
 /* A reply's own row (MessageActions.tsx ReplyActions: a steer, another agent's message or a tool