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/ru/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' => 'Ваш пароль был сброшен.',
+    'sent' => 'Мы отправили ссылку для сброса пароля на вашу электронную почту.',
+    'throttled' => 'Пожалуйста, подождите перед повторной попыткой.',
+    'token' => 'Этот токен сброса пароля недействителен.',
+    'user' => "Мы не можем найти пользователя с таким адресом электронной почты.",
+
+];