trying different syntax suggested by github copilot

.woodpecker.yml

@@ -17,13 +17,8 @@ steps:
     commands:
       - tar czf /backup/obsidian-$(date +%F).tar.gz /obsidian
 
-# Run this pipeline on a cron schedule
+# Run this pipeline on a cron schedule or on manual/push events
 when:
-  event: [ manual ]
----
-when:
-  event: [ cron ]
-  cron: nightly-backup
----
-when:
-  event: [ push ]
+  event: [ manual, push, cron ]
+  # Set a valid cron schedule string (example: daily at midnight)
+  cron: nightly-backup