diff --git a/desktop/src/features/projects/ui/ProjectChannelRequestDialog.test.mjs b/desktop/src/features/projects/ui/ProjectChannelRequestDialog.test.mjs
new file mode 100644
index 0000000000..1e4a30f210
--- /dev/null
+++ b/desktop/src/features/projects/ui/ProjectChannelRequestDialog.test.mjs
@@ -0,0 +1,41 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+
+import React from "react";
+import { renderToStaticMarkup } from "react-dom/server";
+
+import { ProjectChannelRequestDetails } from "./ProjectChannelRequestDialog.tsx";
+
+function request(overrides = {}) {
+  return {
+    homeChannelId: "11111111-1111-4111-8111-111111111111",
+    name: "release-planning",
+    visibility: "private",
+    ...overrides,
+  };
+}
+
+test("owner review shows an agent-requested temporary channel lifetime and cleanup consequence", () => {
+  const html = renderToStaticMarkup(
+    React.createElement(ProjectChannelRequestDetails, {
+      request: request({ ttlSeconds: 90_000 }),
+    }),
+  );
+
+  assert.match(html, />Lifetime</);
+  assert.match(html, /Temporary · 1d1h/);
+  assert.match(
+    html,
+    /Cleans up automatically after that period of inactivity\./,
+  );
+});
+
+test("owner review omits temporary-channel lifetime when none was requested", () => {
+  const html = renderToStaticMarkup(
+    React.createElement(ProjectChannelRequestDetails, { request: request() }),
+  );
+
+  assert.doesNotMatch(html, />Lifetime</);
+  assert.doesNotMatch(html, /Temporary/);
+  assert.doesNotMatch(html, /Cleans up automatically/);
+});
diff --git a/desktop/src/features/projects/ui/ProjectChannelRequestDialog.tsx b/desktop/src/features/projects/ui/ProjectChannelRequestDialog.tsx
index 632d65c4ae..c08c5b3f52 100644
--- a/desktop/src/features/projects/ui/ProjectChannelRequestDialog.tsx
+++ b/desktop/src/features/projects/ui/ProjectChannelRequestDialog.tsx
@@ -8,8 +8,57 @@ import {
   AlertDialogHeader,
   AlertDialogTitle,
 } from "@/shared/ui/alert-dialog";
+import { formatTtlDuration } from "@/features/channels/lib/ephemeralChannel";
+import type { ProjectChannelRequest } from "@/features/projects/projectChannelRequest";
 import { useProjectChannelRequests } from "@/features/projects/useProjectChannelRequests";
 
+type RequestedChannel = ProjectChannelRequest["request"];
+
+/** Details an owner reviews before approving an agent-requested project channel. */
+export function ProjectChannelRequestDetails({
+  request,
+}: {
+  request: RequestedChannel;
+}) {
+  return (
+    <dl className="space-y-2 rounded-xl border border-border/60 bg-muted/25 p-3 text-sm">
+      <div className="flex gap-3">
+        <dt className="w-24 shrink-0 text-muted-foreground">Name</dt>
+        <dd className="min-w-0 break-words text-foreground">#{request.name}</dd>
+      </div>
+      {request.description ? (
+        <div className="flex gap-3">
+          <dt className="w-24 shrink-0 text-muted-foreground">Description</dt>
+          <dd className="min-w-0 break-words text-foreground">
+            {request.description}
+          </dd>
+        </div>
+      ) : null}
+      <div className="flex gap-3">
+        <dt className="w-24 shrink-0 text-muted-foreground">Visibility</dt>
+        <dd className="text-foreground">{request.visibility}</dd>
+      </div>
+      {request.ttlSeconds ? (
+        <div className="flex gap-3">
+          <dt className="w-24 shrink-0 text-muted-foreground">Lifetime</dt>
+          <dd className="min-w-0 break-words text-foreground">
+            Temporary · {formatTtlDuration(request.ttlSeconds)}. Cleans up
+            automatically after that period of inactivity.
+          </dd>
+        </div>
+      ) : null}
+      {request.templateName ? (
+        <div className="flex gap-3">
+          <dt className="w-24 shrink-0 text-muted-foreground">Template</dt>
+          <dd className="min-w-0 break-words text-foreground">
+            {request.templateName}
+          </dd>
+        </div>
+      ) : null}
+    </dl>
+  );
+}
+
 /** Global owner-review surface for project-channel requests from managed agents. */
 export function ProjectChannelRequestDialog() {
   const management = useProjectChannelRequests();
@@ -31,42 +80,7 @@ export function ProjectChannelRequestDialog() {
             before creating it.
           </AlertDialogDescription>
         </AlertDialogHeader>
-        {request ? (
-          <dl className="space-y-2 rounded-xl border border-border/60 bg-muted/25 p-3 text-sm">
-            <div className="flex gap-3">
-              <dt className="w-24 shrink-0 text-muted-foreground">Name</dt>
-              <dd className="min-w-0 break-words text-foreground">
-                #{request.name}
-              </dd>
-            </div>
-            {request.description ? (
-              <div className="flex gap-3">
-                <dt className="w-24 shrink-0 text-muted-foreground">
-                  Description
-                </dt>
-                <dd className="min-w-0 break-words text-foreground">
-                  {request.description}
-                </dd>
-              </div>
-            ) : null}
-            <div className="flex gap-3">
-              <dt className="w-24 shrink-0 text-muted-foreground">
-                Visibility
-              </dt>
-              <dd className="text-foreground">{request.visibility}</dd>
-            </div>
-            {request.templateName ? (
-              <div className="flex gap-3">
-                <dt className="w-24 shrink-0 text-muted-foreground">
-                  Template
-                </dt>
-                <dd className="min-w-0 break-words text-foreground">
-                  {request.templateName}
-                </dd>
-              </div>
-            ) : null}
-          </dl>
-        ) : null}
+        {request ? <ProjectChannelRequestDetails request={request} /> : null}
         {management.error ? (
           <p className="text-sm text-destructive">{management.error}</p>
         ) : null}