Interface CanonicalProposal<TTerms>

interface CanonicalProposal<
    TTerms extends ProposalCommercialTerms = ProposalCommercialTerms,
> {
    proposal_id: string;
    proposal_kind:
        | "new_media_buy"
        | "media_buy_update"
        | "media_buy_cancellation";
    parent_proposal_id?: string;
    media_buy_id?: string;
    base_media_buy_revision?: number;
    opportunity_id?: string;
    proposal_status: "draft"
    | "committed"
    | "accepted";
    accepted_at?: string;
    expires_at?: string;
    name: string;
    description?: string;
    brief_alignment?: string;
    commercial_terms: TTerms;
    terms_digest: string;
    insertion_order?: Record<string, unknown>;
}