fix(desktop): keep Bestie experiment default off

Signed-off-by: Arjun Mahanti <arjun@squareup.com>
Co-authored-by: Codex <noreply@openai.com>

desktop/src/protectedFeatures/internal.ts

@@ -6,7 +6,6 @@ export const protectedFeatureDefinitions: FeatureDefinition[] = [
     id: "bestie",
     name: "Bestie",
     description: "Try a personal agent that is always close at hand",
-    defaultEnabled: true,
     platforms: ["desktop"],
   },
 ];

desktop/src/protectedFeatures/protectedFeatures.test.mjs

@@ -1,6 +1,7 @@
 import assert from "node:assert/strict";
 import { describe, it } from "node:test";
 
+import { resolveEnabled } from "../shared/features/resolveEnabled.ts";
 import { protectedFeatureDefinitions as internalDefinitions } from "./internal.ts";
 import { protectedFeatureDefinitions as publicDefinitions } from "./public.ts";
 
@@ -9,11 +10,13 @@ describe("protected feature build variants", () => {
     assert.deepEqual(publicDefinitions, []);
   });
 
-  it("adds Bestie only through the internal module", () => {
+  it("adds Bestie as a default-off experiment only through the internal module", () => {
     assert.deepEqual(
       internalDefinitions.map((feature) => feature.id),
       ["bestie"],
     );
-    assert.equal(internalDefinitions[0]?.defaultEnabled, true);
+    const bestie = internalDefinitions[0];
+    assert.ok(bestie);
+    assert.equal(resolveEnabled(bestie.id, {}, bestie.defaultEnabled), false);
   });
 });