diff --git a/AgentCompany-New/src/renderer/src/pages/ChatPage.tsx b/AgentCompany-New/src/renderer/src/pages/ChatPage.tsx
index 7166f8f7..d75702bd 100644
--- a/AgentCompany-New/src/renderer/src/pages/ChatPage.tsx
+++ b/AgentCompany-New/src/renderer/src/pages/ChatPage.tsx
@@ -8,6 +8,7 @@ import {
   collectParticipants,
   filterApprovalsForSpace,
   isRootMessage,
+  replayEventsForThread,
 } from "./chat/chat-helpers";
 import type { PageProps } from "./types";
 import { activeOrgId, requireActiveEmployee } from "./types";
@@ -41,6 +42,10 @@ export function ChatPage({ snapshot, actions }: PageProps) {
     () => snapshot.approvals.filter((a) => a.orgId === orgId && a.state === "pending"),
     [snapshot.approvals, orgId],
   );
+  const auditEventsAll = useMemo(
+    () => snapshot.auditEvents.filter((event) => event.orgId === orgId),
+    [snapshot.auditEvents, orgId],
+  );
   const channels = useMemo(() => spaces.filter((space) => space.spaceType !== "direct"), [spaces]);
   const directs = useMemo(() => spaces.filter((space) => space.spaceType === "direct"), [spaces]);
 
@@ -84,6 +89,10 @@ export function ChatPage({ snapshot, actions }: PageProps) {
   const threadMessages = selectedThread
     ? messagesInSpace.filter((m) => m.threadId === selectedThread.id && m.id !== selectedThread.rootMessageId)
     : [];
+  const threadAuditEvents = useMemo(
+    () => (selectedThread ? replayEventsForThread(auditEventsAll, selectedThread, messagesInSpace) : []),
+    [auditEventsAll, selectedThread, messagesInSpace],
+  );
   const participants = useMemo(
     () => collectParticipants(messagesInSpace, employees, agents),
     [messagesInSpace, employees, agents],
@@ -201,6 +210,7 @@ export function ChatPage({ snapshot, actions }: PageProps) {
           mentions={mentionsAll}
           slashInvocations={slashInvocationsAll}
           files={files}
+          auditEvents={threadAuditEvents}
           context={{ employees, agents }}
           onClose={() => setOpenThreadId(null)}
           onSubmit={sendInThread}
diff --git a/AgentCompany-New/src/renderer/src/pages/chat/ChatMessageRow.tsx b/AgentCompany-New/src/renderer/src/pages/chat/ChatMessageRow.tsx
index 7cbded99..36879eeb 100644
--- a/AgentCompany-New/src/renderer/src/pages/chat/ChatMessageRow.tsx
+++ b/AgentCompany-New/src/renderer/src/pages/chat/ChatMessageRow.tsx
@@ -57,9 +57,10 @@ export function ChatMessageRow({
             {messageFiles.map((file) => <AttachmentCard key={file.id} file={file} />)}
           </div>
         )}
-        {replyCount > 0 && onOpenThread && (
+        {onOpenThread && (
           <button
             type="button"
+            aria-label="Open thread"
             onClick={onOpenThread}
             style={{
               marginTop: 8,
@@ -75,7 +76,7 @@ export function ChatMessageRow({
               border: 0,
             }}
           >
-            <Icon name="chat" size={11} /> {replyCount} {replyCount === 1 ? "reply" : "replies"} →
+            <Icon name="chat" size={11} /> {replyCount > 0 ? `${replyCount} ${replyCount === 1 ? "reply" : "replies"}` : "Thread"} →
           </button>
         )}
       </div>
diff --git a/AgentCompany-New/src/renderer/src/pages/chat/ChatThreadPanel.tsx b/AgentCompany-New/src/renderer/src/pages/chat/ChatThreadPanel.tsx
index 382c6a28..7be5a3c7 100644
--- a/AgentCompany-New/src/renderer/src/pages/chat/ChatThreadPanel.tsx
+++ b/AgentCompany-New/src/renderer/src/pages/chat/ChatThreadPanel.tsx
@@ -1,6 +1,7 @@
 import type { FormEvent } from "react";
 import { Button, Icon, IconButton } from "../../shared/ui";
 import type {
+  AuditEventRecord,
   ChatAttachmentRecord,
   ChatMentionRecord,
   ChatMessageRecord,
@@ -18,6 +19,7 @@ export function ChatThreadPanel({
   mentions,
   slashInvocations,
   files,
+  auditEvents,
   context,
   onClose,
   onSubmit,
@@ -28,6 +30,7 @@ export function ChatThreadPanel({
   mentions: ChatMentionRecord[];
   slashInvocations: ChatSlashInvocationRecord[];
   files: FileObjectRecord[];
+  auditEvents: AuditEventRecord[];
   context: MessageContext;
   onClose: () => void;
   onSubmit: (event: FormEvent<HTMLFormElement>) => void;
@@ -85,6 +88,7 @@ export function ChatThreadPanel({
             compact
           />
         ))}
+        {auditEvents.length > 0 && <AuditReplay events={auditEvents} />}
       </div>
       <form onSubmit={onSubmit} style={{ padding: 12, flexShrink: 0 }}>
         <div style={{ border: "1px solid var(--border-strong)", borderRadius: 10, background: "var(--panel)", padding: "8px 10px" }}>
@@ -108,3 +112,33 @@ export function ChatThreadPanel({
     </aside>
   );
 }
+
+function AuditReplay({ events }: { events: AuditEventRecord[] }) {
+  return (
+    <section style={{ borderTop: "1px solid var(--border-soft)", marginTop: 18, paddingTop: 14 }}>
+      <div className="section-label" style={{ marginBottom: 10 }}>Audit</div>
+      <div style={{ display: "flex", flexDirection: "column", gap: 8 }}>
+        {events.map((event) => (
+          <div
+            key={event.id}
+            className="row"
+            style={{
+              alignItems: "baseline",
+              gap: 8,
+              border: "1px solid var(--border)",
+              borderRadius: 8,
+              padding: "8px 10px",
+              background: "var(--panel)",
+              minWidth: 0,
+            }}
+          >
+            <span className="mono" style={{ fontSize: 11, color: "var(--text-3)", flexShrink: 0 }}>{formatTime(event.createdAt)}</span>
+            <span style={{ fontSize: 12, color: "var(--text-1)", overflow: "hidden", textOverflow: "ellipsis", whiteSpace: "nowrap" }}>
+              {event.entityType}.{event.action}
+            </span>
+          </div>
+        ))}
+      </div>
+    </section>
+  );
+}
diff --git a/AgentCompany-New/src/renderer/src/pages/chat/chat-helpers.ts b/AgentCompany-New/src/renderer/src/pages/chat/chat-helpers.ts
index e5f088d7..77c1c7b1 100644
--- a/AgentCompany-New/src/renderer/src/pages/chat/chat-helpers.ts
+++ b/AgentCompany-New/src/renderer/src/pages/chat/chat-helpers.ts
@@ -1,6 +1,7 @@
 import type {
   AgentRecord,
   ApprovalRecord,
+  AuditEventRecord,
   ChatAttachmentRecord,
   ChatMessageRecord,
   ChatSpaceRecord,
@@ -80,6 +81,33 @@ export function countMessagesIn(spaceId: string, messages: ChatMessageRecord[]):
   return messages.filter((message) => message.spaceId === spaceId).length;
 }
 
+export function replayEventsForThread(
+  events: AuditEventRecord[],
+  thread: ChatThreadRecord,
+  messages: ChatMessageRecord[],
+): AuditEventRecord[] {
+  const messageIds = new Set(
+    messages
+      .filter((message) => message.threadId === thread.id || message.id === thread.rootMessageId)
+      .map((message) => message.id),
+  );
+  return events
+    .filter((event) => {
+      if (event.entityType === "chat_message" && messageIds.has(event.entityId)) return true;
+      const payload = auditPayload(event);
+      return payload.threadId === thread.id || payload.sourceThreadId === thread.id;
+    })
+    .sort((a, b) => new Date(a.createdAt).getTime() - new Date(b.createdAt).getTime());
+}
+
+function auditPayload(event: AuditEventRecord): Record<string, unknown> {
+  const parsed = JSON.parse(event.payloadJson) as unknown;
+  if (!parsed || typeof parsed !== "object" || Array.isArray(parsed)) {
+    throw new Error("Audit event payload is invalid.");
+  }
+  return parsed as Record<string, unknown>;
+}
+
 export function formatDay(iso: string): string {
   const date = new Date(iso);
   if (Number.isNaN(date.getTime())) return "—";
diff --git a/AgentCompany-New/tests/e2e/desktop.spec.ts b/AgentCompany-New/tests/e2e/desktop.spec.ts
index 2a235872..96b1ba37 100644
--- a/AgentCompany-New/tests/e2e/desktop.spec.ts
+++ b/AgentCompany-New/tests/e2e/desktop.spec.ts
@@ -61,6 +61,10 @@ test("onboards, hires, and creates work in the Electron shell", async () => {
     await page.getByRole("button", { name: "Send" }).click();
     await expect(page.getByText("@Board").first()).toBeVisible();
     await expect(page.getByText("/escalate").first()).toBeVisible();
+    await page.getByRole("button", { name: "Open thread" }).first().click();
+    await expect(page.getByText("Audit")).toBeVisible();
+    await expect(page.getByText("chat_message.sent").first()).toBeVisible();
+    await expect(page.getByText("approval.requested").first()).toBeVisible();
     await page.getByRole("button", { name: "Approvals" }).click();
     await expect(page.getByText("Escalate release").first()).toBeVisible();