feat: defer selected updates as unread batch (Closes #659)

tests/test_my_work.py

@@ -1343,6 +1343,59 @@ process.stdout.write(JSON.stringify({{noIdentity, invalid, failedWrite}}));
     }
 
 
+def test_later_queue_defers_a_batch_atomically_with_one_wake_time_and_change_per_item():
+    script = f"""
+const createLaterWork = require({json.dumps(str(LATER_WORK))});
+const values = new Map();
+const changes = [];
+let writes = 0;
+let fail = false;
+const storage = {{
+  getItem:key => values.get(key) || null,
+  setItem:(key,value) => {{ writes += 1; if (fail) throw new Error('quota'); values.set(key,value); }},
+  removeItem:key => values.delete(key),
+}};
+const first = {{kind:'update',repository:'stackchain/api',number:17,notification_id:91}};
+const second = {{kind:'update',repository:'stackchain/web',number:8,notification_id:92}};
+const store = createLaterWork({{
+  storage, getLogin:() => 'timmy', now:() => new Date('2026-08-08T12:00:00Z'),
+  setTimer:() => 1, clearTimer:() => {{}},
+  onChange:(...change) => changes.push(change),
+}});
+const deferred = store.deferMany([first, second], new Date('2026-08-09T09:00:00Z'));
+const saved = store.partition([first, second]);
+const beforeFailure = JSON.stringify(store.read());
+fail = true;
+const unavailable = store.deferMany([
+  {{kind:'update',repository:'stackchain/api',number:19,notification_id:93}},
+  {{kind:'update',repository:'stackchain/api',number:20,notification_id:94}},
+], new Date('2026-08-10T09:00:00Z'));
+process.stdout.write(JSON.stringify({{
+  deferred, unavailable, writes, changes,
+  later:saved.later.map(item => [item.notification_id,item.deferred_until]),
+  unchanged:beforeFailure === JSON.stringify(store.read()),
+}}));
+"""
+    result = subprocess.run(
+        ["node", "-e", script], check=True, capture_output=True, text=True
+    )
+
+    assert json.loads(result.stdout) == {
+        "deferred": "deferred",
+        "unavailable": "unavailable",
+        "writes": 2,
+        "changes": [
+            ["defer", "update:stackchain/api:17:91", "2026-08-09T09:00:00.000Z"],
+            ["defer", "update:stackchain/web:8:92", "2026-08-09T09:00:00.000Z"],
+        ],
+        "later": [
+            [91, "2026-08-09T09:00:00.000Z"],
+            [92, "2026-08-09T09:00:00.000Z"],
+        ],
+        "unchanged": True,
+    }
+
+
 def test_later_queue_prunes_missing_work_and_wakes_expired_items_without_reload():
     script = f"""
 const createLaterWork = require({json.dumps(str(LATER_WORK))});
@@ -5582,6 +5635,20 @@ async def test_updates_view_offers_accessible_sticky_mobile_subset_selection():
     assert "body: JSON.stringify({ ids })" in html
 
 
+@pytest.mark.anyio
+async def test_selected_updates_can_be_deferred_together_without_marking_them_read():
+    html = await dashboard()
+
+    assert 'id="defer-selected-today"' in html
+    assert 'id="defer-selected-tomorrow"' in html
+    assert 'laterWork.deferMany(selectedUpdates, until)' in html
+    assert "notificationSelection.cancel()" in html
+    assert "Selection unchanged." in html
+    assert "work stays unread and unchanged in Gitea" in html
+    assert '.my-work-bulk-actions { display:grid;' in html
+    assert '.my-work-bulk-actions button { min-height:44px; width:100%; }' in html
+
+
 @pytest.mark.anyio
 async def test_updates_view_discloses_incomplete_inbox_and_loads_more_on_mobile():
     html = await dashboard()