feat(embeddings): add native embed_batch to 5 embedders (LMStudio, Together, HuggingFace, VertexAI, GoogleGenAI) (#5609)

mem0/embeddings/together.py

@@ -29,3 +29,16 @@ class TogetherEmbedding(EmbeddingBase):
         """
 
         return self.client.embeddings.create(model=self.config.model, input=text).data[0].embedding
+
+    def embed_batch(self, texts, memory_action="add"):
+        if not texts:
+            return []
+        response = self.client.embeddings.create(model=self.config.model, input=texts)
+        sorted_data = sorted(response.data, key=lambda x: x.index)
+        embeddings = [item.embedding for item in sorted_data]
+        if len(embeddings) != len(texts):
+            raise ValueError(
+                f"Together embed_batch() returned {len(embeddings)} embeddings for {len(texts)} texts"
+                f" using model '{self.config.model}'"
+            )
+        return embeddings