-- Wiederanlauf & Nachsynchronisierung nach Core-Ausfall (API-06, siehe
-- core-kanban/tickets/API-06.md) — lokale, PERSISTENTE Pufferqueue (kein
-- In-Memory) fuer Audit-Events und Nutzungszaehler-Deltas eines Moduls.
CREATE TABLE resync_audit_buffer (
    id          BIGSERIAL PRIMARY KEY,
    seq         BIGSERIAL,
    tenant_slug TEXT NOT NULL,
    actor       TEXT NOT NULL,
    action      TEXT NOT NULL,
    target      TEXT NOT NULL DEFAULT '',
    metadata    JSONB NOT NULL DEFAULT '{}',
    created_at  TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE TABLE resync_usage_buffer (
    id          BIGSERIAL PRIMARY KEY,
    seq         BIGSERIAL,
    tenant_slug TEXT NOT NULL,
    metric      TEXT NOT NULL,
    delta       BIGINT NOT NULL,
    created_at  TIMESTAMPTZ NOT NULL DEFAULT now()
);