feat(tasks): complete task management system with Kanban, Calendar, notifications

- Add Task model with subtasks, priorities, status transitions, dates, hours
- Add Comment polymorphic model for tasks/issues/projects
- Livewire components: TaskManager (list+filters), TaskForm (modal), TaskDetail, TaskKanban (drag&drop), TaskCalendar (FullCalendar)
- TaskPolicy with permissions (view/create/edit/delete/assign/manage all)
- Notifications: assigned, status change, overdue, comment added
- Daily overdue notification job scheduled
- Dashboard widget unifies IssueTask + Task
- i18n: en/es/fr/ru (393 keys each)
- Routes, navigation, offline sync support
- 101 tests passing, Pint compliant on new files

lang/fr/passwords.php

@@ -0,0 +1,22 @@
+<?php
+
+return [
+
+    /*
+    |--------------------------------------------------------------------------
+    | Password Reset Language Lines
+    |--------------------------------------------------------------------------
+    |
+    | The following language lines are the default lines which match reasons
+    | that are given by the password broker for a password update attempt
+    | outcome such as failure due to an invalid password / reset token.
+    |
+    */
+
+    'reset' => 'Votre mot de passe a été réinitialisé.',
+    'sent' => 'Nous vous avons envoyé par e-mail votre lien de réinitialisation de mot de passe.',
+    'throttled' => 'Veuillez patienter avant de réessayer.',
+    'token' => 'Ce jeton de réinitialisation de mot de passe est invalide.',
+    'user' => "Nous ne trouvons aucun utilisateur avec cette adresse e-mail.",
+
+];