suins: add marketplace integration (auctions, offers, listings)

[gabrielmatei]

Description

Adds marketplace support to the @mysten/suins SDK: auctions, fixed-price listings, and offers/counter-offers.

• Generated TypeScript bindings for the auction and offer Move modules via codegen
• Added SuinsMarketplaceTransaction transaction builder methods using codegen bindings
• Added marketplace types and network config

Test plan

How did you test the new or updated feature?

• TypeScript compilation and build verified via tsc --noEmit
• Validated transaction flows on testnet via test/marketplace-live.test.ts.
• All method signatures cross-referenced against generated bindings

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Project	Deployment	Actions	Updated (UTC)
sui-typescript-docs	Ready	Preview, Comment	Feb 18, 2026 10:11am

[hayes-mysten]

@gabrielmatei is there any additional context around these changes? I am not familiar with suins auctions, and don't see any docs in the PR that explains how/when this is intended to be used.

The patterns in the existing SDK are pretty old (we updated it to use codegen internally, but didn't want to update everything in the 2.0 release).

For new features it might make sense to more closely align with patterns from https://sdk.mystenlabs.com/sui/sdk-building

[hayes-mysten]

specifically, I would prefer to avoid adding more transaction building classes.

so you can do soemthing like:

tx.add(client.suins.call.createMarketplaceListing({
  coinType: SUI_TYPE_ARG,
  price: 1_000_000_000n,
  suinsRegistration: nft,
}));

instead of

const marketplaceTx = new SuinsMarketplaceTransaction(client.suins, tx);

marketplaceTx.createListing({
  coinType: SUI_TYPE_ARG,
  price: 1_000_000_000n,
  suinsRegistration: nft,
});

Not attached specifically to certain names/locations for these methods, but justing using tx.add instead of creating a separate builder instances would probably be better, especially when its stateless