feat: add tournament suggestions job and notification system

- Implemented a scheduled job for fetching tournament suggestions in the scheduler service.
- Added a new service for handling tournament suggestions, including fetching and updating suggestions.
- Created notification system with models, controllers, and services for managing user notifications.
- Introduced a notification bell component in the frontend to display unread notifications.
- Added a notifications view for users to see all notifications and mark them as read.
- Updated API client and socket service to handle notifications and authentication.
- Created database migrations for notifications and tournament suggestions.

backend/migrations/20260814_create_notifications.sql

@@ -0,0 +1,33 @@
+CREATE TABLE IF NOT EXISTS notification_events (
+  id BIGINT NOT NULL AUTO_INCREMENT,
+  club_id INT NULL,
+  type VARCHAR(80) NOT NULL,
+  priority ENUM('low', 'normal', 'high', 'critical') NOT NULL DEFAULT 'normal',
+  resource_type VARCHAR(80) NULL,
+  resource_id VARCHAR(80) NULL,
+  title VARCHAR(255) NOT NULL,
+  body TEXT NULL,
+  route VARCHAR(500) NULL,
+  payload JSON NULL,
+  dedupe_key VARCHAR(255) NULL,
+  created_at DATETIME NOT NULL,
+  updated_at DATETIME NOT NULL,
+  PRIMARY KEY (id),
+  UNIQUE KEY uq_notification_events_dedupe_key (dedupe_key),
+  KEY idx_notification_events_club_created (club_id, created_at)
+);
+
+CREATE TABLE IF NOT EXISTS notification_recipients (
+  id BIGINT NOT NULL AUTO_INCREMENT,
+  event_id BIGINT NOT NULL,
+  user_id INT NOT NULL,
+  read_at DATETIME NULL,
+  archived_at DATETIME NULL,
+  created_at DATETIME NOT NULL,
+  updated_at DATETIME NOT NULL,
+  PRIMARY KEY (id),
+  UNIQUE KEY uq_notification_recipients_event_user (event_id, user_id),
+  KEY idx_notification_recipients_user_read_created (user_id, read_at, created_at),
+  CONSTRAINT fk_notification_recipients_event FOREIGN KEY (event_id) REFERENCES notification_events(id) ON DELETE CASCADE,
+  CONSTRAINT fk_notification_recipients_user FOREIGN KEY (user_id) REFERENCES user(id) ON DELETE CASCADE
+);

backend/migrations/20260814_create_tournament_suggestions.sql

@@ -0,0 +1,19 @@
+CREATE TABLE IF NOT EXISTS tournament_suggestions (
+  id BIGINT NOT NULL AUTO_INCREMENT,
+  club_id INT NOT NULL,
+  federation VARCHAR(32) NOT NULL,
+  title VARCHAR(255) NOT NULL,
+  event_date VARCHAR(32) NULL,
+  organizer VARCHAR(255) NULL,
+  location VARCHAR(255) NULL,
+  source_url VARCHAR(1000) NOT NULL,
+  source_fingerprint VARCHAR(128) NOT NULL,
+  status ENUM('new', 'reviewed', 'dismissed') NOT NULL DEFAULT 'new',
+  last_seen_at DATETIME NOT NULL,
+  created_at DATETIME NOT NULL,
+  updated_at DATETIME NOT NULL,
+  PRIMARY KEY (id),
+  UNIQUE KEY uq_tournament_suggestions_source_fingerprint (source_fingerprint),
+  KEY idx_tournament_suggestions_club_status_date (club_id, status, event_date),
+  CONSTRAINT fk_tournament_suggestions_club FOREIGN KEY (club_id) REFERENCES clubs(id) ON DELETE CASCADE
+);