СКАЗАНИЯ О НАВИ TALES OF NAVIA

-- Таблица персонажей
CREATE TABLE characters (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    vk_user_id BIGINT UNIQUE,
    web_account_id UUID UNIQUE,
    character_level INT DEFAULT 1 CHECK (character_level >= 1),
    unspent_skill_points INT DEFAULT 0,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

-- Выученные узлы древа
CREATE TABLE character_skills (
    character_id UUID REFERENCES characters(id) ON DELETE CASCADE,
    node_id VARCHAR(64) NOT NULL,
    allocated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    PRIMARY KEY (character_id, node_id)
);

-- Одноразовые ключи связки (/link)
CREATE TABLE sync_link_tokens (
    token VARCHAR(16) PRIMARY KEY,
    vk_user_id BIGINT NOT NULL,
    expires_at TIMESTAMP WITH TIME ZONE NOT NULL,
    is_claimed BOOLEAN DEFAULT FALSE
);