fix: add OpenAI Codex OAuth to configure

src/commands/openai-codex-model-default.test.ts

@@ -0,0 +1,43 @@
+import { describe, expect, it } from "vitest";
+
+import type { ClawdbotConfig } from "../config/config.js";
+import {
+  applyOpenAICodexModelDefault,
+  OPENAI_CODEX_DEFAULT_MODEL,
+} from "./openai-codex-model-default.js";
+
+describe("applyOpenAICodexModelDefault", () => {
+  it("sets openai-codex default when model is unset", () => {
+    const cfg: ClawdbotConfig = { agent: {} };
+    const applied = applyOpenAICodexModelDefault(cfg);
+    expect(applied.changed).toBe(true);
+    expect(applied.next.agent?.model).toEqual({
+      primary: OPENAI_CODEX_DEFAULT_MODEL,
+    });
+  });
+
+  it("sets openai-codex default when model is openai/*", () => {
+    const cfg: ClawdbotConfig = { agent: { model: "openai/gpt-5.2" } };
+    const applied = applyOpenAICodexModelDefault(cfg);
+    expect(applied.changed).toBe(true);
+    expect(applied.next.agent?.model).toEqual({
+      primary: OPENAI_CODEX_DEFAULT_MODEL,
+    });
+  });
+
+  it("does not override openai-codex/*", () => {
+    const cfg: ClawdbotConfig = { agent: { model: "openai-codex/gpt-5.2" } };
+    const applied = applyOpenAICodexModelDefault(cfg);
+    expect(applied.changed).toBe(false);
+    expect(applied.next).toEqual(cfg);
+  });
+
+  it("does not override non-openai models", () => {
+    const cfg: ClawdbotConfig = {
+      agent: { model: "anthropic/claude-opus-4-5" },
+    };
+    const applied = applyOpenAICodexModelDefault(cfg);
+    expect(applied.changed).toBe(false);
+    expect(applied.next).toEqual(cfg);
+  });
+});