CREATE TABLE IF NOT EXISTS applications (
    id INT AUTO_INCREMENT PRIMARY KEY,
    task_id INT NOT NULL,
    user_id INT NOT NULL,
    status VARCHAR(20) NOT NULL DEFAULT 'applied',
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (task_id) REFERENCES tasks(id) ON DELETE CASCADE,
    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
);