-- 0005_push.sql
CREATE TABLE IF NOT EXISTS push_subscriptions (
    id         BIGSERIAL PRIMARY KEY,
    user_id    BIGINT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
    endpoint   TEXT NOT NULL UNIQUE,
    p256dh     TEXT NOT NULL,
    auth       TEXT NOT NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now()
);
CREATE INDEX IF NOT EXISTS idx_push_user ON push_subscriptions(user_id);