fix(onboard): keep agent names on guided setup (#126365)

src/commands/onboard.test.ts

@@ -959,6 +959,7 @@ describe("setupWizardCommand", () => {
   });
 
   it.each([
+    ["--agent-name", { agentName: "robby" }],
     ["--tui", { tui: true }],
     ["--skip-ui", { skipUi: true }],
   ])("keeps %s on guided onboarding", async (_label, opts) => {

src/commands/onboard.ts

@@ -423,7 +423,7 @@ const GUIDED_SAFE_ONBOARD_KEYS = new Set([
   "reset",
   "resetScope",
   "nonInteractive",
-  "classic",
+  "agentName",
   "tui",
   "skipUi",
 ]);