Update MyTischtennis functionality to support automatic rating updates. Introduce new autoUpdateRatings field in MyTischtennis model and enhance MyTischtennisController to handle update history retrieval. Integrate node-cron for scheduling daily updates at 6:00 AM. Update frontend components to allow users to enable/disable automatic updates and display last update timestamps.

backend/migrations/add_auto_update_ratings_to_my_tischtennis.sql

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+-- Migration: Add auto update ratings fields to my_tischtennis table
+-- Date: 2025-01-27
+
+-- Add auto_update_ratings column
+ALTER TABLE my_tischtennis 
+ADD COLUMN auto_update_ratings BOOLEAN NOT NULL DEFAULT FALSE;
+
+-- Add last_update_ratings column
+ALTER TABLE my_tischtennis 
+ADD COLUMN last_update_ratings TIMESTAMP NULL;
+
+-- Create index for auto_update_ratings for efficient querying
+CREATE INDEX idx_my_tischtennis_auto_update_ratings ON my_tischtennis(auto_update_ratings);

backend/migrations/create_my_tischtennis_update_history.sql

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+-- Migration: Create my_tischtennis_update_history table
+-- Date: 2025-01-27
+-- For MariaDB
+
+CREATE TABLE IF NOT EXISTS my_tischtennis_update_history (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    user_id INT NOT NULL,
+    success BOOLEAN NOT NULL DEFAULT FALSE,
+    message TEXT,
+    error_details TEXT,
+    updated_count INT DEFAULT 0,
+    execution_time INT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    
+    CONSTRAINT fk_my_tischtennis_update_history_user_id 
+        FOREIGN KEY (user_id) REFERENCES user(id) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+-- Create indexes for efficient querying
+CREATE INDEX idx_my_tischtennis_update_history_user_id ON my_tischtennis_update_history(user_id);
+CREATE INDEX idx_my_tischtennis_update_history_created_at ON my_tischtennis_update_history(created_at);
+CREATE INDEX idx_my_tischtennis_update_history_success ON my_tischtennis_update_history(success);