Mobile notifications for iOS (#210)

* 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

go/internal/network/repository.go

@@ -10,9 +10,8 @@ import (
 	"go.jetify.com/typeid"
 )
 
-// dbtx is the subset of pgx's query API shared by *pgxpool.Pool and pgx.Tx.
-// Used by repository helpers that the service layer may run either standalone
-// (against the pool) or inside a transaction.
+// dbtx is the subset of pgx's query API shared by *pgxpool.Pool and pgx.Tx,
+// so repository helpers can run standalone or inside a transaction.
 type dbtx interface {
 	Exec(ctx context.Context, sql string, args ...any) (pgconn.CommandTag, error)
 	Query(ctx context.Context, sql string, args ...any) (pgx.Rows, error)
@@ -57,8 +56,7 @@ type repository interface {
 	deleteInvitation(ctx context.Context, db dbtx, networkID, email string) error
 }
 
-// networkColumns lists every column selected when hydrating a Network.
-// Centralized to keep SELECTs and Scan() calls in sync.
+// Centralized so SELECTs and scanNetwork stay in sync.
 const networkColumns = `id, name, admin_human_id, created_at`
 
 func scanNetwork(row pgx.Row, n *Network) error {
@@ -283,8 +281,6 @@ func (r *repositoryImpl) listAll(ctx context.Context) ([]*Network, error) {
 	return networks, nil
 }
 
-// Invitation methods
-
 func (r *repositoryImpl) createInvitation(ctx context.Context, networkID, email string) error {
 	_, err := r.pool.Exec(ctx,
 		`INSERT INTO network_invitations (network_id, email) VALUES ($1, $2)