test(wp7-02): require Gemini chat image relay

tests/package/wp7-02-controlled-executor.test.mjs

@@ -72,6 +72,17 @@ const stableFlashOpenAiImageModel = {
   },
 };
 
+const stableFlashOpenAiChatModel = {
+  config_version: 7,
+  model_id: "gemini-3.1-flash-image-preview",
+  route_profile: {
+    endpoint: "https://oneapi.intelligrow.cn/v1/chat/completions",
+    mode: "sync",
+    protocol_version: "gemini-openai-chat-v1",
+    provider_model_id: "gemini-3.1-flash-image",
+  },
+};
+
 const onePixelPng = Buffer.from(
   "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+A8AAQUBAScY42YAAAAASUVORK5CYII=",
   "base64",
@@ -142,6 +153,27 @@ test("TDD-WP7-EXT-001 builds protocol-specific requests without auth in argument
     size: "1408x1056",
   });
 
+  const stableOpenAiChat = buildProviderRequest({
+    modelConfig: stableFlashOpenAiChatModel,
+    prompt: "controlled fixture prompt",
+    ratio: "4:3",
+    reference,
+  });
+  assert.deepEqual(stableOpenAiChat.body, {
+    extra_body: { google: { image_config: { aspect_ratio: "4:3", image_size: "1K" } } },
+    messages: [{
+      content: [
+        { text: "controlled fixture prompt", type: "text" },
+        { image_url: { url: `data:image/png;base64,${onePixelPng.toString("base64")}` }, type: "image_url" },
+      ],
+      role: "user",
+    }],
+    model: "gemini-3.1-flash-image",
+    stream: false,
+  });
+  assert.equal(stableOpenAiChat.url, "https://oneapi.intelligrow.cn/v1/chat/completions");
+  assert.equal("authorization" in stableOpenAiChat.headers, false);
+
   const openai = buildProviderRequest({ modelConfig: models[2], prompt: "controlled fixture prompt", ratio: "9:16" });
   assert.deepEqual(openai.body, {
     model: "gpt-image-2",
@@ -182,6 +214,14 @@ test("TDD-WP7-EXT-001 retains only response metadata and hashes", () => {
   assert.deepEqual(interactionNormalized.dimensions, { height: 1, width: 1 });
   assert.equal(interactionNormalized.mime, "image/png");
   assert.deepEqual(interactionNormalized.usage_summary, { input_units: 11, output_units: 13, total_units: 24 });
+
+  const chatNormalized = normalizeProviderResponse(stableFlashOpenAiChatModel, {
+    choices: [{ message: { content: `![image](data:image/png;base64,${onePixelPng.toString("base64")})` } }],
+    usage: { completion_tokens: 17, prompt_tokens: 15, total_tokens: 32 },
+  });
+  assert.deepEqual(chatNormalized.dimensions, { height: 1, width: 1 });
+  assert.equal(chatNormalized.mime, "image/png");
+  assert.deepEqual(chatNormalized.usage_summary, { input_units: 15, output_units: 17, total_units: 32 });
 });
 
 test("TDD-WP7-EXT-001 rejects sensitive or shared evidence fields", () => {