Add the LOBSTR extension as a Stellar wallet

apps/web/lib/stellar-wallet.ts

@@ -1,10 +1,16 @@
-import { FreighterModule, StellarWalletsKit, WalletNetwork } from "@creit.tech/stellar-wallets-kit";
+import {
+  FreighterModule,
+  LobstrModule,
+  StellarWalletsKit,
+  WalletNetwork,
+} from "@creit.tech/stellar-wallets-kit";
 import { env } from "./env";
 
 /**
- * Freighter only for now (Stellar Wallets Kit supports more, but auth-entry/transaction-signing
- * parity across wallets isn't independently verified here — see docs/architecture.md §2's
- * "verify at build time" note before adding more modules).
+ * Freighter and the LOBSTR browser extension. Stellar Wallets Kit supports more, but
+ * transaction-signing parity across wallets isn't independently verified here — see
+ * docs/architecture.md §2's "verify at build time" note before adding more modules. LOBSTR's
+ * extension has no `signAuthEntry`, which is fine: open-intent.ts signs the whole transaction.
  *
  * # The network is derived, never defaulted
  *
@@ -32,6 +38,6 @@ export function createStellarWalletKit(): StellarWalletsKit {
   return new StellarWalletsKit({
     network,
     selectedWalletId: "freighter",
-    modules: [new FreighterModule()],
+    modules: [new FreighterModule(), new LobstrModule()],
   });
 }

apps/web/lib/wallets/stellar.ts

@@ -5,16 +5,21 @@ import type { Connection, WalletEntry } from "./types";
  * The Stellar wallets this app will sign with.
  *
  * Deliberately a short list. Every transfer and every admin call carries a Soroban authorization
- * tree that the wallet must sign entry by entry, and signing parity across wallets has only been
- * checked for Freighter (see stellar-wallet.ts). Listing a wallet here is a promise that money
+ * tree that the wallet must sign entry by entry, and signing parity across wallets has been
+ * checked for Freighter (see stellar-wallet.ts); LOBSTR is listed on the strength of its extension's
+ * `signTransaction`, which is the only call open-intent.ts needs, and still wants a real transfer. Listing a wallet here is a promise that money
  * moves correctly through it, so it is added after a real transfer has gone through it, not
  * because the kit happens to support it.
  */
 export const VERIFIED_STELLAR_WALLETS: ReadonlyArray<{
   id: string;
   name: string;
   installUrl: string;
-}> = [{ id: "freighter", name: "Freighter", installUrl: "https://www.freighter.app" }];
+}> = [
+  { id: "freighter", name: "Freighter", installUrl: "https://www.freighter.app" },
+  // Browser extension only. LOBSTR's phone app is not reachable through this module.
+  { id: "lobstr", name: "LOBSTR", installUrl: "https://lobstr.co/signer-extension" },
+];
 
 export async function stellarEntries(kit: StellarWalletsKit): Promise<WalletEntry[]> {
   const supported = await kit.getSupportedWallets();