From a71a3e8dd3e9b5b9ede38f183b14f730d6b36801 Mon Sep 17 00:00:00 2001
From: Michael Johnston <lastobelus@mac.com>
Date: Sat, 5 Sep 2026 03:41:44 -0700
Subject: [PATCH] fix(mobile): use current duration formatter for working row

---
 apps/mobile/src/features/threads/ThreadFeed.tsx | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/apps/mobile/src/features/threads/ThreadFeed.tsx b/apps/mobile/src/features/threads/ThreadFeed.tsx
index e5ad8b2adb5c..68476234529c 100644
--- a/apps/mobile/src/features/threads/ThreadFeed.tsx
+++ b/apps/mobile/src/features/threads/ThreadFeed.tsx
@@ -37,7 +37,7 @@ import {
   type ActionResultPresentationOutcome,
   parseActionResumeFollowUp,
 } from "@t3tools/shared/actionResume";
-import { formatElapsed } from "@t3tools/shared/orchestrationTiming";
+import { formatDuration } from "@t3tools/shared/orchestrationTiming";
 import { SymbolView, type AppSymbolName } from "../../components/AppSymbol";
 import { HeaderHeightContext } from "@react-navigation/elements";
 import { useFocusEffect, useNavigation } from "@react-navigation/native";
@@ -1904,7 +1904,9 @@ const WorkingTimelineRow = memo(function WorkingTimelineRow(props: { readonly st
     return () => clearInterval(intervalId);
   }, [props.startedAt]);
 
-  const durationLabel = formatElapsed(props.startedAt, new Date(nowMs).toISOString()) ?? "0s";
+  const elapsedMs = nowMs - Date.parse(props.startedAt);
+  const durationLabel =
+    Number.isFinite(elapsedMs) && elapsedMs >= 0 ? formatDuration(elapsedMs) : "0s";
 
   return (
     <View className="mb-4 flex-row items-center gap-2 px-1.5 py-1">