url-09: fetched images become vision input — fetch_url og:image/body images ride as input_image, direct image urls ingested, data urls never in json tool text

tests/test_spec_responses.py

@@ -163,3 +163,34 @@ class TestResponsesPath(unittest.IsolatedAsyncioTestCase):
         self.assertEqual(items[0]["content"][0], {"type": "input_text", "text": "look"})
         self.assertEqual(items[0]["content"][1], {"type": "input_image", "image_url": "data:x"})
         self.assertEqual(len(items), 2)  # tool row dropped
+
+
+class TestToolVisionInjection(unittest.IsolatedAsyncioTestCase):
+    def _responder(self, **extra):
+        return OpenAIResponder(dict(CONFIG, **extra), "chat")
+
+    async def test_tool_vision_images_attached_as_input_image(self):
+        """URL-09: a tool result's vision data URLs become input_image items; never JSON text."""
+        responder = self._responder(**{"enable-news-tool": True})
+        responder.store = Mock()
+        responder._dispatch_tool = AsyncMock(
+            return_value={"url": "u", "text": "t", "images_cached": 1, "vision": ["data:image/png;base64,AAA"]}
+        )
+        first = _response([_call_item("fetch_url", {"url": "https://xkcd.com/1"}, "call-2")])
+        second = _response([_msg_item()], envelope(answer="seen", answer_needed=True))
+        with patch("fjerkroa_bot.openai_responder.openai_responses", new_callable=AsyncMock) as responses_mock:
+            responses_mock.side_effect = [first, second]
+            answer, _ = await responder.chat([{"role": "user", "content": "look at this"}], 10)
+        self.assertEqual(json.loads(answer["content"])["answer"], "seen")
+        followup = responses_mock.await_args_list[1].kwargs["input"]
+        image_parts = [
+            part
+            for item in followup
+            if isinstance(item, dict) and isinstance(item.get("content"), list)
+            for part in item["content"]
+            if part.get("type") == "input_image"
+        ]
+        self.assertEqual(image_parts[0]["image_url"], "data:image/png;base64,AAA")
+        outputs = [item for item in followup if isinstance(item, dict) and item.get("type") == "function_call_output"]
+        self.assertNotIn("data:image", outputs[0]["output"])  # data URL never in JSON tool text
+        self.assertNotIn("vision", outputs[0]["output"])