Fix claude-fable-5 test to match actual model capabilities

The test asserted that claude-fable-5 had empty optionDescriptors, but the
model definition includes effort (Reasoning) and contextWindow descriptors.
Update the test to verify the correct capability descriptors are present.

Author: cursoragent

apps/server/src/provider/Layers/ProviderRegistry.test.ts

@@ -1350,15 +1350,14 @@ it.layer(Layer.mergeAll(NodeServices.layer, ServerSettingsService.layerTest(), T
           assert.strictEqual(status.status, "ready");
           assert.strictEqual(status.installed, true);
           assert.strictEqual(status.auth.status, "authenticated");
-          assert.deepStrictEqual(
-            status.models.find((model) => model.slug === "claude-fable-5"),
-            {
-              slug: "claude-fable-5",
-              name: "Claude Fable 5",
-              isCustom: false,
-              capabilities: { optionDescriptors: [] },
-            },
-          );
+          const fableModel = status.models.find((model) => model.slug === "claude-fable-5");
+          assert.strictEqual(fableModel?.slug, "claude-fable-5");
+          assert.strictEqual(fableModel?.name, "Claude Fable 5");
+          assert.strictEqual(fableModel?.isCustom, false);
+          const descriptors = fableModel?.capabilities?.optionDescriptors ?? [];
+          assert.strictEqual(descriptors.length, 2);
+          assert.strictEqual(descriptors[0]?.id, "effort");
+          assert.strictEqual(descriptors[1]?.id, "contextWindow");
         }).pipe(
           Effect.provide(
             mockSpawnerLayer((args) => {