SUIBORG Collection Contract

public entry fun mint(
    collection: &mut Collection,
    cap: &TreasuryCap,
    recipient: address,
    seed: vector<u8>,
    ctx: &mut TxContext,
) {
    assert!(collection.supply < MAX_SUPPLY, E_SOLD_OUT);
    let traits = vrf::roll(seed, ctx);            // verifiable randomness
    let cid   = walrus::resolve(&traits);         // decentralised storage
    let borg  = SuiBorg {
        id: object::new(ctx),
        number: collection.supply + 1,
        traits, cid,
        status: dynamic_field::new(),             // living state
        minted_at: tx_context::epoch(ctx),
    };
    collection.supply = collection.supply + 1;
    transfer::public_transfer(borg, recipient);   // → user wallet
}