diff --git a/frontend/dashboard.js b/frontend/dashboard.js
index bbcdc66..068d193 100644
--- a/frontend/dashboard.js
+++ b/frontend/dashboard.js
@@ -992,9 +992,19 @@
     },
   });
 
+  const updateTriageLauncher = createUpdateTriageLauncher({
+    selectUpdates: () => selectMobileQueue('update'),
+    discover: () => notificationPager.loadAll(() => lastNotifications),
+    isUpdatesSelected: () => selectedWorkFilter === 'update',
+    hasMore: () => Boolean(notificationPagination.has_more),
+    hasCheckpoint: () => updateTriage.resumable(),
+    resume: () => updateTriage.resume(),
+    start: () => updateTriage.start(),
+    announce: message => { qs('#my-work-action-status').textContent = message; },
+  });
+
   function openUpdateTriage() {
-    selectMobileQueue('update');
-    return updateTriage.resumable() ? updateTriage.resume() : updateTriage.start();
+    return updateTriageLauncher.open();
   }
 
   function routedWorkItem(item) {
diff --git a/frontend/index.html b/frontend/index.html
index 53da8b4..7bc9300 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -1073,6 +1073,7 @@
 <script src="static/mobile-work-entry.js"></script>
 <script src="static/mobile-queue-launcher.js"></script>
 <script src="static/update-triage-session.js"></script>
+<script src="static/update-triage-launcher.js"></script>
 <script src="static/agenda-session-launcher.js"></script>
 <script src="static/mobile-launch.js"></script>
 <script src="static/mobile-app-shortcuts.js"></script>
diff --git a/frontend/my-work.js b/frontend/my-work.js
index 8da3c42..d33001b 100644
--- a/frontend/my-work.js
+++ b/frontend/my-work.js
@@ -248,7 +248,8 @@ function createNotificationSelection({ limit = 50, onChange = () => {} } = {}) {
 function createNotificationPager({ load, onNotifications, onPagination, onStatus }) {
   let pagination = { page: 1, total: 0, has_more: false };
   let pending = false;
-  return {
+  let completing = null;
+  const pager = {
     reset(next) {
       pagination = { ...pagination, ...(next || {}) };
       onPagination(pagination);
@@ -282,7 +283,19 @@ function createNotificationPager({ load, onNotifications, onPagination, onStatus
         pending = false;
       }
     },
+    loadAll(getExisting) {
+      if (completing) return completing;
+      completing = (async () => {
+        while (pagination.has_more) {
+          const loaded = await pager.loadMore(getExisting());
+          if (!loaded) return false;
+        }
+        return true;
+      })().finally(() => { completing = null; });
+      return completing;
+    },
   };
+  return pager;
 }
 
 function createWorkPager({ load, onItems, onPagination, onStatus }) {
diff --git a/frontend/service-worker.js b/frontend/service-worker.js
index bfdd1db..c389342 100644
--- a/frontend/service-worker.js
+++ b/frontend/service-worker.js
@@ -77,6 +77,7 @@ const SHELL = [
   BASE + 'static/mobile-work-entry.js',
   BASE + 'static/mobile-queue-launcher.js',
   BASE + 'static/update-triage-session.js',
+  BASE + 'static/update-triage-launcher.js',
   BASE + 'static/agenda-session-launcher.js',
   BASE + 'static/mobile-launch.js',
   BASE + 'static/mobile-app-shortcuts.js',
diff --git a/frontend/update-triage-launcher.js b/frontend/update-triage-launcher.js
new file mode 100644
index 0000000..17924da
--- /dev/null
+++ b/frontend/update-triage-launcher.js
@@ -0,0 +1,34 @@
+(function (root, factory) {
+  if (typeof module === 'object' && module.exports) module.exports = factory;
+  else root.createUpdateTriageLauncher = factory;
+})(typeof self !== 'undefined' ? self : this, function createUpdateTriageLauncher(options) {
+  let pending = null;
+
+  function open() {
+    if (pending) return pending;
+    options.selectUpdates();
+    options.announce('Checking all unread updates…');
+    pending = Promise.resolve()
+      .then(() => options.discover())
+      .then(complete => {
+        if (!options.isUpdatesSelected()) return 'cancelled';
+        if (complete === false || options.hasMore()) {
+          options.announce('Updates check paused. Retry to check older unread updates.');
+          return 'incomplete';
+        }
+        const opened = options.hasCheckpoint() ? options.resume() : options.start();
+        if (!opened) options.announce('No unread updates are ready.');
+        return opened ? 'opened' : 'empty';
+      })
+      .catch(() => {
+        if (options.isUpdatesSelected()) {
+          options.announce('Updates check paused. Retry to check older unread updates.');
+        }
+        return 'incomplete';
+      })
+      .finally(() => { pending = null; });
+    return pending;
+  }
+
+  return {open};
+});
diff --git a/src/frontend_bundle.py b/src/frontend_bundle.py
index 4857bb9..affdaaf 100644
--- a/src/frontend_bundle.py
+++ b/src/frontend_bundle.py
@@ -28,7 +28,7 @@ FEATURE_SOURCES = {
     "device-setup": ("static/install-app.js", "static/mobile-device-setup.js"),
     "security-center": ("static/security-center.js",),
     "today-timer": (
-        "static/my-work.js", "static/protect-today.js", "static/mobile-task-dock.js", "static/mobile-queue-launcher.js", "static/update-triage-session.js", "static/notification-undo.js", "static/today-timer.js", "static/today-recap.js",
+        "static/my-work.js", "static/protect-today.js", "static/mobile-task-dock.js", "static/mobile-queue-launcher.js", "static/update-triage-session.js", "static/update-triage-launcher.js", "static/notification-undo.js", "static/today-timer.js", "static/today-recap.js",
         "static/today-rollover.js", "static/later-work.js", "static/drafts.js", "static/unfiled-captures.js",
         "static/draft-filing-session.js", "static/draft-capacity-dialog.js", "static/work-selection.js",
         "static/today-work.js", "static/pick-work.js", "static/batch-find-work.js",
diff --git a/tests/test_my_work.py b/tests/test_my_work.py
index a73c3b0..14e9b6a 100644
--- a/tests/test_my_work.py
+++ b/tests/test_my_work.py
@@ -41,6 +41,109 @@ PICK_WORK = Path(__file__).parents[1] / "frontend" / "pick-work.js"
 WORK_ROUTE = Path(__file__).parents[1] / "frontend" / "work-route.js"
 UPDATE_OWNERSHIP = Path(__file__).parents[1] / "frontend" / "update-ownership.js"
 AGENDA_SESSION_LAUNCHER = Path(__file__).parents[1] / "frontend" / "agenda-session-launcher.js"
+UPDATE_TRIAGE_LAUNCHER = Path(__file__).parents[1] / "frontend" / "update-triage-launcher.js"
+
+
+def test_update_triage_launch_waits_for_complete_single_flight_discovery():
+    script = f"""
+const createLauncher = require({json.dumps(str(UPDATE_TRIAGE_LAUNCHER))});
+let release;
+let discoveries = 0;
+let opens = 0;
+const messages = [];
+const launcher = createLauncher({{
+  selectUpdates: () => {{}},
+  discover: () => {{ discoveries += 1; return new Promise(resolve => {{ release = resolve; }}); }},
+  isUpdatesSelected: () => true,
+  hasMore: () => false,
+  hasCheckpoint: () => false,
+  resume: () => {{ throw new Error('must start'); }},
+  start: () => {{ opens += 1; return true; }},
+  announce: message => messages.push(message),
+}});
+const first = launcher.open();
+const second = launcher.open();
+Promise.resolve().then(() => {{
+  const before = {{discoveries, opens, same:first === second}};
+  release(true);
+  return Promise.all([first, second]).then(results =>
+    process.stdout.write(JSON.stringify({{before, discoveries, opens, results, messages}}))
+  );
+}});
+"""
+    result = subprocess.run(["node", "-e", script], capture_output=True, text=True)
+
+    assert result.returncode == 0, result.stderr
+    assert json.loads(result.stdout) == {
+        "before": {"discoveries": 1, "opens": 0, "same": True},
+        "discoveries": 1,
+        "opens": 1,
+        "results": ["opened", "opened"],
+        "messages": ["Checking all unread updates…"],
+    }
+
+
+def test_update_triage_launch_preserves_checkpoint_when_discovery_fails():
+    script = f"""
+const createLauncher = require({json.dumps(str(UPDATE_TRIAGE_LAUNCHER))});
+const messages = [];
+let resumed = 0;
+const launcher = createLauncher({{
+  selectUpdates: () => {{}},
+  discover: async () => false,
+  isUpdatesSelected: () => true,
+  hasMore: () => true,
+  hasCheckpoint: () => true,
+  resume: () => {{ resumed += 1; return true; }},
+  start: () => true,
+  announce: message => messages.push(message),
+}});
+launcher.open().then(result => process.stdout.write(JSON.stringify({{result, resumed, messages}})));
+"""
+    result = subprocess.run(["node", "-e", script], capture_output=True, text=True)
+
+    assert result.returncode == 0, result.stderr
+    assert json.loads(result.stdout) == {
+        "result": "incomplete",
+        "resumed": 0,
+        "messages": [
+            "Checking all unread updates…",
+            "Updates check paused. Retry to check older unread updates.",
+        ],
+    }
+
+
+def test_notification_pager_load_all_retries_from_failed_page_without_duplicates():
+    script = f"""
+const buildMyWork = require({json.dumps(str(MY_WORK))});
+let items = [{{id:1}}];
+let fail = true;
+const requested = [];
+const pager = buildMyWork.createNotificationPager({{
+  load: async page => {{
+    requested.push(page);
+    if (page === 2 && fail) {{ fail = false; throw new Error('offline'); }}
+    return page === 2 ? {{page:2,total:101,has_more:true,items:[{{id:1}},{{id:51}}]}} :
+      {{page:3,total:101,has_more:false,items:[{{id:101}}]}};
+  }},
+  onNotifications: value => {{ items = value; }},
+  onPagination: () => {{}},
+  onStatus: () => {{}},
+}});
+pager.reset({{page:1,total:101,has_more:true}});
+pager.loadAll(() => items).then(firstResult => pager.loadAll(() => items).then(secondResult =>
+  process.stdout.write(JSON.stringify({{firstResult, secondResult, requested, ids:items.map(item => item.id)}}))
+));
+"""
+    result = subprocess.run(["node", "-e", script], capture_output=True, text=True)
+
+    assert result.returncode == 0, result.stderr
+    assert json.loads(result.stdout) == {
+        "firstResult": False,
+        "secondResult": True,
+        "requested": [2, 2, 3],
+        "ids": [1, 51, 101],
+    }
 
 
 def test_agenda_session_launch_waits_for_complete_single_flight_discovery():
diff --git a/tests/test_service_worker.py b/tests/test_service_worker.py
index 53a419d..8bbdb1e 100644
--- a/tests/test_service_worker.py
+++ b/tests/test_service_worker.py
@@ -847,6 +847,7 @@ def test_install_precaches_complete_subpath_scoped_app_shell():
         "/dashboard/static/mobile-work-entry.js",
         "/dashboard/static/mobile-queue-launcher.js",
         "/dashboard/static/update-triage-session.js",
+        "/dashboard/static/update-triage-launcher.js",
         "/dashboard/static/agenda-session-launcher.js",
         "/dashboard/static/mobile-launch.js",
         "/dashboard/static/mobile-app-shortcuts.js",