fix(avatar): normalize embedding API endpoint

digital-avatar-app/backend/tests/test_embeddings.py

@@ -48,9 +48,11 @@ class RemoteEmbeddingTests(unittest.TestCase):
     def test_large_input_is_split_into_provider_safe_batches(self):
         texts = [f"chunk-{index}" for index in range(14)]
         batch_sizes = []
+        requested_urls = []
 
         def fake_urlopen(request, timeout):
             self.assertEqual(timeout, 30)
+            requested_urls.append(request.full_url)
             payload = json.loads(request.data.decode("utf-8"))
             batch_sizes.append(len(payload["input"]))
             return FakeResponse({
@@ -61,7 +63,7 @@ class RemoteEmbeddingTests(unittest.TestCase):
             })
 
         with patch.dict(os.environ, {
-            "EMBEDDING_API_URL": "https://embedding.example/v1/embeddings",
+            "EMBEDDING_API_URL": "https://embedding.example/v1",
             "EMBEDDING_API_KEY": "test-key",
             "EMBEDDING_MODEL": "text-embedding-v4",
             "EMBEDDING_BATCH_SIZE": "10",
@@ -69,8 +71,18 @@ class RemoteEmbeddingTests(unittest.TestCase):
             result = embeddings.embed(texts)
 
         self.assertEqual(batch_sizes, [10, 4])
+        self.assertEqual(requested_urls, [
+            "https://embedding.example/v1/embeddings",
+            "https://embedding.example/v1/embeddings",
+        ])
         self.assertEqual(result, [[float(index)] for index in range(14)])
 
+    def test_full_embedding_endpoint_is_not_modified(self):
+        self.assertEqual(
+            embeddings._embedding_endpoint("https://embedding.example/v1/embeddings/"),
+            "https://embedding.example/v1/embeddings",
+        )
+
 
 if __name__ == "__main__":
     unittest.main()