Vendor OpenClaw source as Adolf fork baseline

Adolf is a fork/vendored clone of github.com/openclaw/openclaw (v2026.6.11),
free to diverge. Tree copied sans upstream .git; upstream remote added for
future syncs. Node pinned to 24 (.nvmrc); engines already require >=22.19.
Preserves docs/ARCHITECTURE.md.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LeqyaxJF2nbRXJtae2kNB2

extensions/google/provider-registration.test.ts

@@ -0,0 +1,68 @@
+// Google tests cover provider registration plugin behavior.
+import type { Model } from "openclaw/plugin-sdk/llm";
+import { beforeEach, describe, expect, it, vi } from "vitest";
+import { buildGoogleProvider } from "./provider-registration.js";
+
+const streamFns = vi.hoisted(() => ({
+  createGenerativeAi: vi.fn(() => vi.fn()),
+  createVertex: vi.fn(() => vi.fn()),
+}));
+
+vi.mock("./transport-stream.js", () => ({
+  createGoogleGenerativeAiTransportStreamFn: streamFns.createGenerativeAi,
+  createGoogleVertexTransportStreamFn: streamFns.createVertex,
+}));
+
+function model(overrides: Partial<Model> = {}): Model {
+  return {
+    id: "gemini-2.5-flash",
+    name: "Gemini 2.5 Flash",
+    provider: "google-vertex",
+    api: "google-generative-ai",
+    baseUrl: "https://aiplatform.googleapis.com",
+    reasoning: true,
+    input: ["text"],
+    cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
+    contextWindow: 1_048_576,
+    maxTokens: 65_536,
+    ...overrides,
+  } as Model;
+}
+
+describe("buildGoogleProvider createStreamFn", () => {
+  beforeEach(() => {
+    streamFns.createGenerativeAi.mockClear();
+    streamFns.createVertex.mockClear();
+  });
+
+  it("routes native Vertex hosts through the Vertex transport", () => {
+    const provider = buildGoogleProvider();
+
+    provider.createStreamFn?.({
+      provider: "google-vertex",
+      modelId: "gemini-2.5-flash",
+      model: model(),
+    } as never);
+
+    expect(streamFns.createVertex).toHaveBeenCalledTimes(1);
+    expect(streamFns.createGenerativeAi).not.toHaveBeenCalled();
+  });
+
+  it("preserves explicit OpenAI-compatible Vertex endpoint configs", () => {
+    const provider = buildGoogleProvider();
+
+    const result = provider.createStreamFn?.({
+      provider: "google-vertex",
+      modelId: "gemini-2.5-flash",
+      model: model({
+        api: "openai-completions",
+        baseUrl:
+          "https://aiplatform.googleapis.com/v1/projects/test/locations/us-central1/endpoints/openapi",
+      }),
+    } as never);
+
+    expect(result).toBeUndefined();
+    expect(streamFns.createVertex).not.toHaveBeenCalled();
+    expect(streamFns.createGenerativeAi).not.toHaveBeenCalled();
+  });
+});