* mobile: wire notification registration and listener
* implement backend components for push notifications
* refactor: agentic comment cleanup
* docs: use proper module name for particle processor
* set required env variables for push notifications
* bump version
* fix: always upsert push token on mobile start
* Revert "fix: always upsert push token on mobile start"
This reverts commit 90ff18a788.
* send push notifications regardless of online status
