fix(config): apply defaults to perplexity UI

test/index.test.ts

@@ -0,0 +1,21 @@
+import { describe, expect, test } from "bun:test";
+
+describe("extension entrypoint", () => {
+  test("registers the config command", async () => {
+    const { default: registerExtension } = await import(`../src/index.ts?test=${crypto.randomUUID()}`);
+
+    const commands: string[] = [];
+
+    registerExtension({
+      registerCommand(name: string) {
+        commands.push(name);
+      },
+      registerTool() {
+        return undefined;
+      },
+    } as any);
+
+    expect(commands).toContain("perplexity-login");
+    expect(commands).toContain("perplexity-config");
+  });
+});