CREATE TABLE playback_decisions (
  id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
  user_id uuid NOT NULL REFERENCES users(id),
  media_id uuid NOT NULL,
  library_id uuid NOT NULL,
  source_id uuid NOT NULL,
  device_id text NOT NULL,
  route_id text,
  allowed boolean NOT NULL,
  deny_code text,
  max_bitrate bigint NOT NULL DEFAULT 0 CHECK (max_bitrate >= 0),
  allow_download boolean NOT NULL DEFAULT false,
  max_playbacks integer NOT NULL DEFAULT 0 CHECK (max_playbacks >= 0),
  max_device_playbacks integer NOT NULL DEFAULT 0 CHECK (max_device_playbacks >= 0),
  policy_revision bigint NOT NULL CHECK (policy_revision >= 0),
  expires_at timestamptz NOT NULL,
  consumed_at timestamptz,
  created_at timestamptz NOT NULL DEFAULT now()
);

CREATE INDEX playback_decisions_expiry_idx ON playback_decisions(expires_at);
CREATE INDEX playback_decisions_user_idx ON playback_decisions(user_id, created_at DESC);