test: update memory embedder doubles

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: JerrettDavis

tests/test_memory_embedders.py

@@ -142,6 +142,9 @@ def enable_padding(self, length):
         def encode(self, text):
             return SimpleNamespace(ids=[1, 2], attention_mask=[1, 1])
 
+        def encode_batch(self, texts):
+            return [self.encode(text) for text in texts]
+
     monkeypatch.setitem(
         sys.modules,
         "onnxruntime",

tests/test_memory_mcp_server.py

@@ -72,7 +72,10 @@ async def test_warm_up_backend_indexes_memories() -> None:
     backend = SimpleNamespace(
         _ensure_initialized=AsyncMock(),
         _hierarchical_memory=SimpleNamespace(
-            _embedder=SimpleNamespace(embed=AsyncMock(side_effect=[["warm"], ["first-embedding"]])),
+            _embedder=SimpleNamespace(
+                embed=AsyncMock(side_effect=[["warm"], ["first-embedding"]]),
+                embed_batch=AsyncMock(return_value=[["first-embedding"], [9]]),
+            ),
             _store=SimpleNamespace(save=AsyncMock()),
             _vector_index=SimpleNamespace(index=AsyncMock()),
         ),