feat: Add story points support and AI daily briefing feature

- Enhanced JIRA integration to fetch story points from multiple custom fields.
- Updated task display to show story points and their estimated duration.
- Introduced AI daily briefing banner with dynamic content loading.
- Implemented subtasks functionality with add, toggle, and delete capabilities.
- Improved task management UI with better accessibility and interaction.

config/schema.sql

@@ -242,3 +242,18 @@ CREATE TABLE IF NOT EXISTS `app_cache` (
   `expires_at` INT UNSIGNED NOT NULL,
   INDEX `idx_app_cache_expires` (`expires_at`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+-- Fociz V2.0: Subtaken & Checklists per taak
+CREATE TABLE IF NOT EXISTS `task_subtasks` (
+  `id` INT AUTO_INCREMENT PRIMARY KEY,
+  `task_id` INT NOT NULL,
+  `user_id` INT NOT NULL,
+  `title` VARCHAR(255) NOT NULL,
+  `is_completed` TINYINT(1) NOT NULL DEFAULT 0,
+  `position` INT NOT NULL DEFAULT 0,
+  `created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  `updated_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  INDEX (`task_id`, `position`),
+  CONSTRAINT `fk_subtasks_task` FOREIGN KEY (`task_id`) REFERENCES `tasks` (`id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_subtasks_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;