Update various configuration files, components, and assets; enhance notification system and API endpoints; improve documentation and styles across the application.

database/migrations/003_create_template_version_history.sql

@@ -0,0 +1,42 @@
+-- Migration: Create template version history table
+-- Date: 2024-01-15
+-- Description: Create table to store version history of notification templates
+
+CREATE TABLE `notification_template_versions` (
+  `id` varchar(36) NOT NULL DEFAULT (UUID()),
+  `template_id` varchar(36) NOT NULL,
+  `version` varchar(20) NOT NULL,
+  `name` varchar(100) NOT NULL,
+  `description` text,
+  `subject` varchar(255) DEFAULT NULL,
+  `preheader` varchar(255) DEFAULT NULL,
+  `email_content` text,
+  `push_title` varchar(100) DEFAULT NULL,
+  `push_body` varchar(300) DEFAULT NULL,
+  `push_icon` varchar(500) DEFAULT NULL,
+  `push_url` text,
+  `sms_content` text,
+  `category` varchar(50) DEFAULT NULL,
+  `channels` json DEFAULT NULL,
+  `status` varchar(20) DEFAULT 'Draft',
+  `tags` text,
+  `is_personal` tinyint(1) DEFAULT '0',
+  `from_name` varchar(100) DEFAULT NULL,
+  `reply_to` varchar(255) DEFAULT NULL,
+  `track_opens` tinyint(1) DEFAULT '1',
+  `variables` json DEFAULT NULL,
+  `is_active` tinyint(1) DEFAULT '1',
+  `change_description` text,
+  `is_current` tinyint(1) DEFAULT '0',
+  `created_by` varchar(36) DEFAULT NULL,
+  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (`id`),
+  KEY `idx_template_versions_template_id` (`template_id`),
+  KEY `idx_template_versions_version` (`version`),
+  KEY `idx_template_versions_created_at` (`created_at`),
+  CONSTRAINT `fk_template_versions_template_id` FOREIGN KEY (`template_id`) REFERENCES `notification_templates` (`id`) ON DELETE CASCADE ON UPDATE NO ACTION
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+-- Create index for better performance
+CREATE INDEX `idx_template_versions_template_version` ON `notification_template_versions` (`template_id`, `version`);
+CREATE INDEX `idx_template_versions_is_current` ON `notification_template_versions` (`is_current`);