fix: smarter fallback team selection for scope inference

.changeset/slick-lands-repeat.md

@@ -0,0 +1,5 @@
+---
+"@vercel/sandbox": patch
+---
+
+Smarter fallback team selection for scope inference: tries `defaultTeamId` first, then the best OWNER team (personal team or most recently updated). Skips teams that return 403 and shows a helpful error when no team allows sandbox creation.

packages/vercel-sandbox/src/auth/index.ts

@@ -6,4 +6,4 @@ export type * from "./file.js";
 export * from "./oauth.js";
 export type * from "./oauth.js";
 export { pollForToken } from "./poll-for-token.js";
-export { inferScope, selectTeam } from "./project.js";
+export { inferScope, selectTeams } from "./project.js";