-- +goose Up
-- Per-tenant activity feed: who changed what. Actor kinds distinguish
-- dashboard users (staff), public self-service actions (customer), and
-- automatic transitions (system). Kept to booking lifecycle events in v1.
CREATE TABLE activity_events (
  id            uuid PRIMARY KEY DEFAULT gen_random_uuid(),
  tenant_id     uuid NOT NULL REFERENCES tenants(id) ON DELETE CASCADE,
  actor_kind    text NOT NULL DEFAULT 'staff',
  actor_subject text NOT NULL DEFAULT '',
  actor_name    text NOT NULL DEFAULT '',
  action        text NOT NULL,
  entity_type   text NOT NULL DEFAULT 'booking',
  entity_id     uuid,
  summary       text NOT NULL DEFAULT '',
  created_at    timestamptz NOT NULL DEFAULT now()
);
CREATE INDEX activity_events_tenant_created_idx
  ON activity_events (tenant_id, created_at DESC);

-- +goose Down
DROP TABLE IF EXISTS activity_events;