From 710f6dc417ebf303eede3df3605a6938482d83ab Mon Sep 17 00:00:00 2001
From: maria <maria@kuuro.net>
Date: Thu, 3 Sep 2026 22:35:24 -0400
Subject: [PATCH] fix(web): simplify expanded tool details (#9549)

Co-authored-by: maria-rcks <254055478+maria-rcks@users.noreply.github.com>
---
 .../src/components/chat/MessagesTimeline.tsx  | 92 +++++++++++++------
 1 file changed, 65 insertions(+), 27 deletions(-)

diff --git a/apps/web/src/components/chat/MessagesTimeline.tsx b/apps/web/src/components/chat/MessagesTimeline.tsx
index 04e33914b623e4f293d055807915cf3471dadcef..cdca3328eb69849a6aeafb29c50d7b73878ded3b 100644
--- a/apps/web/src/components/chat/MessagesTimeline.tsx
+++ b/apps/web/src/components/chat/MessagesTimeline.tsx
@@ -2886,27 +2886,47 @@ function workEntryRawCommand(
 function buildToolCallExpandedBody(
   workEntry: TimelineWorkEntry,
   workspaceRoot: string | undefined,
+  visibleLabel: string,
+  viewedImagePath: string | null,
 ): string | null {
   const blocks: string[] = [];
+  const seen = new Set<string>();
+  const addBlock = (value: string | null | undefined) => {
+    const text = value?.trim();
+    if (!text || seen.has(text)) return;
+    seen.add(text);
+    blocks.push(text);
+  };
   if (workEntry.itemType === "mcp_tool_call" && workEntry.toolData !== undefined) {
-    blocks.push(`MCP call\n${JSON.stringify(workEntry.toolData, null, 2)}`);
+    addBlock(`MCP call\n${JSON.stringify(workEntry.toolData, null, 2)}`);
   }
+  const command = workEntry.command?.trim();
   const raw = workEntryRawCommand(workEntry);
-  if (raw?.trim()) {
-    blocks.push(raw.trim());
-  } else if (workEntry.command?.trim()) {
-    blocks.push(workEntry.command.trim());
+  if (command === visibleLabel.trim()) {
+    seen.add(command);
+  } else {
+    addBlock(raw ?? command);
   }
-  if (workEntry.detail?.trim()) {
-    blocks.push(workEntry.detail.trim());
+  const detail = workEntry.detail?.trim();
+  if (detail !== viewedImagePath?.trim()) {
+    addBlock(detail);
   }
-  const changedFiles = workEntry.changedFiles ?? [];
+  const viewedImagePaths = new Set(
+    viewedImagePath
+      ? [viewedImagePath.trim(), formatWorkspaceRelativePath(viewedImagePath, workspaceRoot)]
+      : [],
+  );
+  const changedFiles = (workEntry.changedFiles ?? []).flatMap((filePath) => {
+    const formattedPath = formatWorkspaceRelativePath(filePath, workspaceRoot);
+    return viewedImagePaths.has(filePath) ||
+      viewedImagePaths.has(formattedPath) ||
+      filePath.trim() === detail ||
+      formattedPath === detail
+      ? []
+      : [formattedPath];
+  });
   if (changedFiles.length > 0) {
-    blocks.push(
-      changedFiles
-        .map((filePath) => formatWorkspaceRelativePath(filePath, workspaceRoot))
-        .join("\n"),
-    );
+    addBlock([...new Set(changedFiles)].join("\n"));
   }
   return blocks.length > 0 ? blocks.join("\n\n") : null;
 }
@@ -3092,19 +3112,7 @@ const PlainWorkEntryRow = memo(function PlainWorkEntryRow(props: {
       ? "circle-alert"
       : workEntryIconName(workEntry);
   const previewText = displayLabel ?? workEntryDisplayLabel(workEntry, workspaceRoot);
-  const displayText =
-    !toolPresentation && expanded && workEntry.command?.trim() ? "Command" : previewText;
   const viewedImagePath = workEntryViewedImagePath(workEntry);
-  const canExpand =
-    (workEntry.itemType === "mcp_tool_call" && workEntry.toolData !== undefined) ||
-    Boolean(
-      workEntryRawCommand(workEntry) ||
-      workEntry.command?.trim() ||
-      workEntry.detail?.trim() ||
-      workEntry.changedFiles?.length ||
-      viewedImagePath,
-    );
-  const expandedBody = expanded ? buildToolCallExpandedBody(workEntry, workspaceRoot) : null;
   const viewedImage =
     viewedImagePath && threadRef
       ? resolveViewedImageAsset(viewedImagePath, {
@@ -3112,6 +3120,24 @@ const PlainWorkEntryRow = memo(function PlainWorkEntryRow(props: {
           workspaceRoot,
         })
       : null;
+  const commandMatchesVisibleLabel = workEntry.command?.trim() === previewText.trim();
+  const canExpand =
+    (workEntry.itemType === "mcp_tool_call" && workEntry.toolData !== undefined) ||
+    Boolean(
+      (!commandMatchesVisibleLabel &&
+        (workEntryRawCommand(workEntry) || workEntry.command?.trim())) ||
+      workEntry.detail?.trim() ||
+      workEntry.changedFiles?.length ||
+      viewedImage,
+    );
+  const expandedBody = expanded
+    ? buildToolCallExpandedBody(
+        workEntry,
+        workspaceRoot,
+        previewText,
+        viewedImage ? viewedImagePath : null,
+      )
+    : null;
   const showDestructiveRowStyle =
     showFailedIndicator &&
     (workEntrySignalsSevereFailure(workEntry) || !workLogEntryIsToolLike(workEntry));
@@ -3183,7 +3209,19 @@ const PlainWorkEntryRow = memo(function PlainWorkEntryRow(props: {
         <div className="flex min-w-0 flex-1 items-center gap-1.5">
           <div className="min-w-0 flex-1 overflow-hidden">
             <p className="flex min-w-0 w-full items-baseline gap-1.5 text-sm leading-relaxed">
-              <span className={cn("min-w-0 flex-1 truncate", headingClass)}>{displayText}</span>
+              <span
+                className={cn(
+                  "min-w-0 flex-1",
+                  expanded || (commandMatchesVisibleLabel && !canExpand)
+                    ? "whitespace-pre-wrap break-words select-text"
+                    : "truncate",
+                  headingClass,
+                )}
+                onClick={expanded ? stopRowToggle : undefined}
+                onPointerDown={expanded ? stopRowToggle : undefined}
+              >
+                {previewText}
+              </span>
             </p>
           </div>
           {showFailedIndicator && hasSpecialToolIcon ? (
@@ -3224,7 +3262,7 @@ const PlainWorkEntryRow = memo(function PlainWorkEntryRow(props: {
       ) : null}
       {expanded && canExpand && expandedBody ? (
         <div
-          className="mt-1 ms-7 cursor-default border-s border-border/45 ps-3 pt-0.5"
+          className="mt-1 ms-7 cursor-default rounded-md bg-muted/40 px-3 py-2"
           onClick={stopRowToggle}
           onPointerDown={stopRowToggle}
         >
-- 
2.54.0