diff --git a/packages/app/src/pages/session/message-timeline.data.ts b/packages/app/src/pages/session/message-timeline.data.ts
index 44ac9c1999..c6294d3e38 100644
--- a/packages/app/src/pages/session/message-timeline.data.ts
+++ b/packages/app/src/pages/session/message-timeline.data.ts
@@ -136,15 +136,19 @@ export namespace Timeline {
     const assistantItems =
       interrupted && !compaction
         ? [
-            ...groupParts(assistantPartRefs.filter((ref) => ref.messageIndex <= interruptedMessageIndex)).map((group) => ({
-              type: "part" as const,
-              group,
-            })),
+            ...groupParts(assistantPartRefs.filter((ref) => ref.messageIndex <= interruptedMessageIndex)).map(
+              (group) => ({
+                type: "part" as const,
+                group,
+              }),
+            ),
             { type: "interrupted" as const },
-            ...groupParts(assistantPartRefs.filter((ref) => ref.messageIndex > interruptedMessageIndex)).map((group) => ({
-              type: "part" as const,
-              group,
-            })),
+            ...groupParts(assistantPartRefs.filter((ref) => ref.messageIndex > interruptedMessageIndex)).map(
+              (group) => ({
+                type: "part" as const,
+                group,
+              }),
+            ),
           ]
         : groupParts(assistantPartRefs).map((group) => ({ type: "part" as const, group }))
     const assistantGroupCount = assistantItems.filter((item) => item.type === "part").length
diff --git a/packages/app/src/pages/session/message-timeline.tsx b/packages/app/src/pages/session/message-timeline.tsx
index 085b636ff0..c1186b1d10 100644
--- a/packages/app/src/pages/session/message-timeline.tsx
+++ b/packages/app/src/pages/session/message-timeline.tsx
@@ -463,7 +463,8 @@ export function MessageTimeline(props: {
           if (part.type === "text" || part.type === "reasoning") return `${part.id}:${part.type}:${part.text.length}`
           if (part.type === "tool") {
             const metadata = "metadata" in part.state ? part.state.metadata : undefined
-            const output = "output" in part.state && typeof part.state.output === "string" ? part.state.output.length : 0
+            const output =
+              "output" in part.state && typeof part.state.output === "string" ? part.state.output.length : 0
             const metadataOutput =
               metadata && typeof metadata === "object" && "output" in metadata && typeof metadata.output === "string"
                 ? metadata.output.length
@@ -1128,7 +1129,11 @@ export function MessageTimeline(props: {
               {(message) => (
                 <div data-slot="session-turn-message-container" class="w-full px-4 md:px-5">
                   <div data-slot="session-turn-message-content" aria-live="off">
-                    <Message message={message()} parts={getMsgParts(userMessageRow().userMessageID)} actions={props.actions} />
+                    <Message
+                      message={message()}
+                      parts={getMsgParts(userMessageRow().userMessageID)}
+                      actions={props.actions}
+                    />
                   </div>
                 </div>
               )}
@@ -1157,7 +1162,10 @@ export function MessageTimeline(props: {
         return (
           <TimelineRowFrame row={assistantPartRow}>
             <div data-slot="session-turn-message-container" class="w-full px-4 md:px-5">
-              <div data-slot="session-turn-assistant-content" aria-hidden={workingTurn(assistantPartRow().userMessageID)}>
+              <div
+                data-slot="session-turn-assistant-content"
+                aria-hidden={workingTurn(assistantPartRow().userMessageID)}
+              >
                 {renderAssistantPartGroup(assistantPartRow)}
               </div>
             </div>
@@ -1215,11 +1223,7 @@ export function MessageTimeline(props: {
   }
 
   function TimelineRowView(props: { rowKey: string }) {
-    return (
-      <Show when={timelineRowByKey().get(props.rowKey)}>
-        {(item) => renderTimelineRow(item)}
-      </Show>
-    )
+    return <Show when={timelineRowByKey().get(props.rowKey)}>{(item) => renderTimelineRow(item)}</Show>
   }
 
   return (