fix: escape stray % in anomaly notification text (#305)

Author: otherworld-dev

budget/CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 - Editing a split transaction with three or more parts no longer zeroes or overwrites the other splits. The last split row is now a read-only "remaining" amount (transaction total minus the other parts), and the dialog blocks saving until the parts add up ([#303](https://github.com/otherworld-dev/Budget/issues/303))
+- Spending-anomaly notifications no longer crash with "The arguments array must contain 1 items, 0 given" — a stray `%` in the notification text made Nextcloud's translation layer fail, spamming the log every time notifications were rendered ([#305](https://github.com/otherworld-dev/Budget/issues/305))
 
 ## [2.34.0] - 2026-06-24
 

budget/lib/Notification/Notifier.php

@@ -396,7 +396,7 @@ public function prepare(INotification $notification, string $languageCode): INot
 
                 // TRANSLATORS: {category}, {percent}, {amount} are placeholders — do NOT translate them. Keep all {placeholder} names exactly as-is.
                 $notification->setRichMessage(
-                    $l->t('{category} spending is {percent}% above your typical level — {amount} so far this month.'),
+                    $l->t('{category} spending is {percent}%% above your typical level — {amount} so far this month.'),
                     [
                         'category' => ['type' => 'highlight', 'id' => 'category', 'name' => $parameters['categoryName']],
                         'percent' => ['type' => 'highlight', 'id' => 'percent', 'name' => $parameters['percentAbove']],