The public adviser serves as adviser to the public and to the commission to ensure that full and adequate participation by members of the public is secured in the commission's proceedings. The adviser serves the public and the commission by (1) advising the public how to participate fully in the commission's proceedings, thereby providing the commission with the most comprehensive record feasible in those proceedings; (2) advising the commission on the measures it should employ to assure open consideration and public participation in its proceedings; and (3) taking other measures to comply with sections 25222 and 25519(g) of the Public Resources Code.