-- AP0.1: minimale Schema-Vorbereitung (keine Tenant/User/Actor-Fachlogik)

CREATE TABLE IF NOT EXISTS kairo_app_meta (
    id SERIAL PRIMARY KEY,
    key VARCHAR(128) UNIQUE NOT NULL,
    value TEXT NOT NULL,
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

INSERT INTO kairo_app_meta (key, value)
VALUES ('schema_phase', 'ap0.1')
ON CONFLICT (key) DO NOTHING;