feat(schedule): add durable after reminders

examples/web-schedule/cordis.yml

@@ -0,0 +1,10 @@
+# Opt-in Schedule patch over the shipped Web composition. The Schedule owner
+# only observes roots published after this overlay loads, so this remains an
+# explicit capability rather than changing the default Web tree.
+
+- insert:
+    - id: tool-schedule
+      name: '@deepseek-ai/dsh-tool-schedule'
+
+    - id: ui-schedule
+      name: '@deepseek-ai/dsh-client-ui-schedule'