feat: add xAI Grok provider support

src/commands/auth-choice.test.ts

@@ -193,6 +193,60 @@ describe("applyAuthChoice", () => {
     expect(parsed.profiles?.["synthetic:default"]?.key).toBe("sk-synthetic-test");
   });
 
+  it("does not override the global default model when selecting xai-api-key without setDefaultModel", async () => {
+    tempStateDir = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-auth-"));
+    process.env.OPENCLAW_STATE_DIR = tempStateDir;
+    process.env.OPENCLAW_AGENT_DIR = path.join(tempStateDir, "agent");
+    process.env.PI_CODING_AGENT_DIR = process.env.OPENCLAW_AGENT_DIR;
+
+    const text = vi.fn().mockResolvedValue("sk-xai-test");
+    const select: WizardPrompter["select"] = vi.fn(
+      async (params) => params.options[0]?.value as never,
+    );
+    const multiselect: WizardPrompter["multiselect"] = vi.fn(async () => []);
+    const prompter: WizardPrompter = {
+      intro: vi.fn(noopAsync),
+      outro: vi.fn(noopAsync),
+      note: vi.fn(noopAsync),
+      select,
+      multiselect,
+      text,
+      confirm: vi.fn(async () => false),
+      progress: vi.fn(() => ({ update: noop, stop: noop })),
+    };
+    const runtime: RuntimeEnv = {
+      log: vi.fn(),
+      error: vi.fn(),
+      exit: vi.fn((code: number) => {
+        throw new Error(`exit:${code}`);
+      }),
+    };
+
+    const result = await applyAuthChoice({
+      authChoice: "xai-api-key",
+      config: { agents: { defaults: { model: { primary: "openai/gpt-4o-mini" } } } },
+      prompter,
+      runtime,
+      setDefaultModel: false,
+      agentId: "agent-1",
+    });
+
+    expect(text).toHaveBeenCalledWith(expect.objectContaining({ message: "Enter xAI API key" }));
+    expect(result.config.auth?.profiles?.["xai:default"]).toMatchObject({
+      provider: "xai",
+      mode: "api_key",
+    });
+    expect(result.config.agents?.defaults?.model?.primary).toBe("openai/gpt-4o-mini");
+    expect(result.agentModelOverride).toBe("xai/grok-2-latest");
+
+    const authProfilePath = authProfilePathFor(requireAgentDir());
+    const raw = await fs.readFile(authProfilePath, "utf8");
+    const parsed = JSON.parse(raw) as {
+      profiles?: Record<string, { key?: string }>;
+    };
+    expect(parsed.profiles?.["xai:default"]?.key).toBe("sk-xai-test");
+  });
+
   it("sets default model when selecting github-copilot", async () => {
     tempStateDir = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-auth-"));
     process.env.OPENCLAW_STATE_DIR = tempStateDir;