-- V031: Per-(chat, thread, owner) wizard drafts for the game-creation wizard (issue #111).
-- Stores in-progress wizard state in JSONB with a 24h TTL managed by WizardDraftCleanupService.

CREATE TABLE wizard_drafts (
    id UUID PRIMARY KEY,
    chat_id BIGINT NOT NULL,
    message_thread_id INT,
    owner_telegram_id BIGINT NOT NULL,
    step TEXT NOT NULL,
    payload JSONB NOT NULL,
    draft_message_id BIGINT,
    created_at TIMESTAMPTZ NOT NULL,
    updated_at TIMESTAMPTZ NOT NULL,
    expires_at TIMESTAMPTZ NOT NULL
);

CREATE INDEX idx_wizard_drafts_owner
    ON wizard_drafts(chat_id, message_thread_id, owner_telegram_id);

CREATE INDEX idx_wizard_drafts_expires
    ON wizard_drafts(expires_at);