fix: set gemini default model for api-key auth (#489) - thanks @jonasjancarik

src/commands/google-gemini-model-default.test.ts

@@ -0,0 +1,38 @@
+import { describe, expect, it } from "vitest";
+
+import type { ClawdbotConfig } from "../config/config.js";
+import {
+  applyGoogleGeminiModelDefault,
+  GOOGLE_GEMINI_DEFAULT_MODEL,
+} from "./google-gemini-model-default.js";
+
+describe("applyGoogleGeminiModelDefault", () => {
+  it("sets gemini default when model is unset", () => {
+    const cfg: ClawdbotConfig = { agent: {} };
+    const applied = applyGoogleGeminiModelDefault(cfg);
+    expect(applied.changed).toBe(true);
+    expect(applied.next.agent?.model).toEqual({
+      primary: GOOGLE_GEMINI_DEFAULT_MODEL,
+    });
+  });
+
+  it("overrides existing model", () => {
+    const cfg: ClawdbotConfig = {
+      agent: { model: "anthropic/claude-opus-4-5" },
+    };
+    const applied = applyGoogleGeminiModelDefault(cfg);
+    expect(applied.changed).toBe(true);
+    expect(applied.next.agent?.model).toEqual({
+      primary: GOOGLE_GEMINI_DEFAULT_MODEL,
+    });
+  });
+
+  it("no-ops when already gemini default", () => {
+    const cfg: ClawdbotConfig = {
+      agent: { model: GOOGLE_GEMINI_DEFAULT_MODEL },
+    };
+    const applied = applyGoogleGeminiModelDefault(cfg);
+    expect(applied.changed).toBe(false);
+    expect(applied.next).toEqual(cfg);
+  });
+});