diff --git a/gnes/proto/gnes_pb2.py b/gnes/proto/gnes_pb2.py
index 8edbeb1a..642f8ea7 100644
--- a/gnes/proto/gnes_pb2.py
+++ b/gnes/proto/gnes_pb2.py
@@ -21,8 +21,7 @@
   package='gnes',
   syntax='proto3',
   serialized_options=None,
-    serialized_pb=_b(
-        '\n\ngnes.proto\x12\x04gnes\x1a\x1fgoogle/protobuf/timestamp.proto\"9\n\x07NdArray\x12\x0c\n\x04\x64\x61ta\x18\x01 \x01(\x0c\x12\x11\n\x05shape\x18\x02 \x03(\rB\x02\x10\x01\x12\r\n\x05\x64type\x18\x03 \x01(\t\"\xb9\x01\n\x05\x43hunk\x12\x0e\n\x06\x64oc_id\x18\x01 \x01(\x04\x12\x0e\n\x04text\x18\x02 \x01(\tH\x00\x12\x1d\n\x04\x62lob\x18\x03 \x01(\x0b\x32\r.gnes.NdArrayH\x00\x12\r\n\x03raw\x18\x07 \x01(\x0cH\x00\x12\x0e\n\x06offset\x18\x04 \x01(\r\x12\x15\n\toffset_nd\x18\x05 \x03(\rB\x02\x10\x01\x12\x0e\n\x06weight\x18\x06 \x01(\x02\x12 \n\tembedding\x18\x08 \x01(\x0b\x32\r.gnes.NdArrayB\t\n\x07\x63ontent\"\xc4\x02\n\x08\x44ocument\x12\x0e\n\x06\x64oc_id\x18\x01 \x01(\x04\x12\x1b\n\x06\x63hunks\x18\x02 \x03(\x0b\x32\x0b.gnes.Chunk\x12(\n\x08\x64oc_type\x18\x03 \x01(\x0e\x32\x16.gnes.Document.DocType\x12\x11\n\tmeta_info\x18\x04 \x01(\x0c\x12\x12\n\x08raw_text\x18\x05 \x01(\tH\x00\x12\"\n\traw_image\x18\x06 \x01(\x0b\x32\r.gnes.NdArrayH\x00\x12\"\n\traw_video\x18\x07 \x01(\x0b\x32\r.gnes.NdArrayH\x00\x12\x13\n\traw_bytes\x18\x08 \x01(\x0cH\x00\x12\x0e\n\x06weight\x18\n \x01(\x02\"A\n\x07\x44ocType\x12\x0b\n\x07UNKNOWN\x10\x00\x12\x08\n\x04TEXT\x10\x01\x12\t\n\x05IMAGE\x10\x02\x12\t\n\x05VIDEO\x10\x03\x12\t\n\x05\x41UDIO\x10\x04\x42\n\n\x08raw_data\"\xd4\x01\n\x08\x45nvelope\x12\x11\n\tclient_id\x18\x01 \x01(\t\x12\x12\n\nrequest_id\x18\x02 \x01(\r\x12\x0f\n\x07part_id\x18\x03 \x01(\r\x12\x10\n\x08num_part\x18\x04 \x03(\r\x12\x0f\n\x07timeout\x18\x05 \x01(\r\x12$\n\x06routes\x18\x06 \x03(\x0b\x32\x14.gnes.Envelope.route\x1aG\n\x05route\x12\x0f\n\x07service\x18\x01 \x01(\t\x12-\n\ttimestamp\x18\x02 \x01(\x0b\x32\x1a.google.protobuf.Timestamp\"y\n\x07Message\x12 \n\x08\x65nvelope\x18\x01 \x01(\x0b\x32\x0e.gnes.Envelope\x12 \n\x07request\x18\x02 \x01(\x0b\x32\r.gnes.RequestH\x00\x12\"\n\x08response\x18\x03 \x01(\x0b\x32\x0e.gnes.ResponseH\x00\x42\x06\n\x04\x62ody\"\xf6\x03\n\x07Request\x12\x12\n\nrequest_id\x18\x01 \x01(\r\x12+\n\x05train\x18\x02 \x01(\x0b\x32\x1a.gnes.Request.TrainRequestH\x00\x12+\n\x05index\x18\x03 \x01(\x0b\x32\x1a.gnes.Request.IndexRequestH\x00\x12,\n\x06search\x18\x04 \x01(\x0b\x32\x1a.gnes.Request.QueryRequestH\x00\x12/\n\x07\x63ontrol\x18\x05 \x01(\x0b\x32\x1c.gnes.Request.ControlRequestH\x00\x1a;\n\x0cTrainRequest\x12\x1c\n\x04\x64ocs\x18\x01 \x03(\x0b\x32\x0e.gnes.Document\x12\r\n\x05\x66lush\x18\x02 \x01(\x08\x1a,\n\x0cIndexRequest\x12\x1c\n\x04\x64ocs\x18\x01 \x03(\x0b\x32\x0e.gnes.Document\x1a<\n\x0cQueryRequest\x12\x1d\n\x05query\x18\x01 \x01(\x0b\x32\x0e.gnes.Document\x12\r\n\x05top_k\x18\x02 \x01(\r\x1am\n\x0e\x43ontrolRequest\x12\x35\n\x07\x63ommand\x18\x01 \x01(\x0e\x32$.gnes.Request.ControlRequest.Command\"$\n\x07\x43ommand\x12\r\n\tTERMINATE\x10\x00\x12\n\n\x06STATUS\x10\x01\x42\x06\n\x04\x62ody\"\x8a\x06\n\x08Response\x12\x12\n\nrequest_id\x18\x01 \x01(\r\x12-\n\x05train\x18\x02 \x01(\x0b\x32\x1c.gnes.Response.TrainResponseH\x00\x12-\n\x05index\x18\x03 \x01(\x0b\x32\x1c.gnes.Response.IndexResponseH\x00\x12.\n\x06search\x18\x04 \x01(\x0b\x32\x1c.gnes.Response.QueryResponseH\x00\x12\x31\n\x07\x63ontrol\x18\x05 \x01(\x0b\x32\x1e.gnes.Response.ControlResponseH\x00\x1a\x36\n\rTrainResponse\x12%\n\x06status\x18\x01 \x01(\x0e\x32\x15.gnes.Response.Status\x1a\x36\n\rIndexResponse\x12%\n\x06status\x18\x01 \x01(\x0e\x32\x15.gnes.Response.Status\x1a\x38\n\x0f\x43ontrolResponse\x12%\n\x06status\x18\x01 \x01(\x0e\x32\x15.gnes.Response.Status\x1a\xc7\x02\n\rQueryResponse\x12%\n\x06status\x18\x01 \x01(\x0e\x32\x15.gnes.Response.Status\x12\r\n\x05top_k\x18\x02 \x01(\r\x12?\n\x0ctopk_results\x18\x03 \x03(\x0b\x32).gnes.Response.QueryResponse.ScoredResult\x1a\xbe\x01\n\x0cScoredResult\x12\x1c\n\x05\x63hunk\x18\x01 \x01(\x0b\x32\x0b.gnes.ChunkH\x00\x12\x1d\n\x03\x64oc\x18\x02 \x01(\x0b\x32\x0e.gnes.DocumentH\x00\x12>\n\x05score\x18\x03 \x01(\x0b\x32/.gnes.Response.QueryResponse.ScoredResult.Score\x1a)\n\x05Score\x12\r\n\x05value\x18\x01 \x01(\x02\x12\x11\n\texplained\x18\x02 \x01(\tB\x06\n\x04\x62ody\"-\n\x06Status\x12\x0b\n\x07SUCCESS\x10\x00\x12\t\n\x05\x45RROR\x10\x01\x12\x0b\n\x07PENDING\x10\x02\x42\x06\n\x04\x62ody2\xe3\x01\n\x07GnesRPC\x12(\n\x05Train\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00\x12(\n\x05Index\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00\x12(\n\x05Query\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00\x12\'\n\x04\x43\x61ll\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00\x12\x31\n\nStreamCall\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00(\x01\x30\x01\x62\x06proto3')
+  serialized_pb=_b('\n\ngnes.proto\x12\x04gnes\x1a\x1fgoogle/protobuf/timestamp.proto\"9\n\x07NdArray\x12\x0c\n\x04\x64\x61ta\x18\x01 \x01(\x0c\x12\x11\n\x05shape\x18\x02 \x03(\rB\x02\x10\x01\x12\r\n\x05\x64type\x18\x03 \x01(\t\"\xb9\x01\n\x05\x43hunk\x12\x0e\n\x06\x64oc_id\x18\x01 \x01(\x04\x12\x0e\n\x04text\x18\x02 \x01(\tH\x00\x12\x1d\n\x04\x62lob\x18\x03 \x01(\x0b\x32\r.gnes.NdArrayH\x00\x12\r\n\x03raw\x18\x07 \x01(\x0cH\x00\x12\x0e\n\x06offset\x18\x04 \x01(\r\x12\x15\n\toffset_nd\x18\x05 \x03(\rB\x02\x10\x01\x12\x0e\n\x06weight\x18\x06 \x01(\x02\x12 \n\tembedding\x18\x08 \x01(\x0b\x32\r.gnes.NdArrayB\t\n\x07\x63ontent\"\xc4\x02\n\x08\x44ocument\x12\x0e\n\x06\x64oc_id\x18\x01 \x01(\x04\x12\x1b\n\x06\x63hunks\x18\x02 \x03(\x0b\x32\x0b.gnes.Chunk\x12(\n\x08\x64oc_type\x18\x03 \x01(\x0e\x32\x16.gnes.Document.DocType\x12\x11\n\tmeta_info\x18\x04 \x01(\x0c\x12\x12\n\x08raw_text\x18\x05 \x01(\tH\x00\x12\"\n\traw_image\x18\x06 \x01(\x0b\x32\r.gnes.NdArrayH\x00\x12\"\n\traw_video\x18\x07 \x01(\x0b\x32\r.gnes.NdArrayH\x00\x12\x13\n\traw_bytes\x18\x08 \x01(\x0cH\x00\x12\x0e\n\x06weight\x18\n \x01(\x02\"A\n\x07\x44ocType\x12\x0b\n\x07UNKNOWN\x10\x00\x12\x08\n\x04TEXT\x10\x01\x12\t\n\x05IMAGE\x10\x02\x12\t\n\x05VIDEO\x10\x03\x12\t\n\x05\x41UDIO\x10\x04\x42\n\n\x08raw_data\"\xd4\x01\n\x08\x45nvelope\x12\x11\n\tclient_id\x18\x01 \x01(\t\x12\x12\n\nrequest_id\x18\x02 \x01(\r\x12\x0f\n\x07part_id\x18\x03 \x01(\r\x12\x10\n\x08num_part\x18\x04 \x03(\r\x12\x0f\n\x07timeout\x18\x05 \x01(\r\x12$\n\x06routes\x18\x06 \x03(\x0b\x32\x14.gnes.Envelope.route\x1aG\n\x05route\x12\x0f\n\x07service\x18\x01 \x01(\t\x12-\n\ttimestamp\x18\x02 \x01(\x0b\x32\x1a.google.protobuf.Timestamp\"y\n\x07Message\x12 \n\x08\x65nvelope\x18\x01 \x01(\x0b\x32\x0e.gnes.Envelope\x12 \n\x07request\x18\x02 \x01(\x0b\x32\r.gnes.RequestH\x00\x12\"\n\x08response\x18\x03 \x01(\x0b\x32\x0e.gnes.ResponseH\x00\x42\x06\n\x04\x62ody\"\xf6\x03\n\x07Request\x12\x12\n\nrequest_id\x18\x01 \x01(\r\x12+\n\x05train\x18\x02 \x01(\x0b\x32\x1a.gnes.Request.TrainRequestH\x00\x12+\n\x05index\x18\x03 \x01(\x0b\x32\x1a.gnes.Request.IndexRequestH\x00\x12,\n\x06search\x18\x04 \x01(\x0b\x32\x1a.gnes.Request.QueryRequestH\x00\x12/\n\x07\x63ontrol\x18\x05 \x01(\x0b\x32\x1c.gnes.Request.ControlRequestH\x00\x1a;\n\x0cTrainRequest\x12\x1c\n\x04\x64ocs\x18\x01 \x03(\x0b\x32\x0e.gnes.Document\x12\r\n\x05\x66lush\x18\x02 \x01(\x08\x1a,\n\x0cIndexRequest\x12\x1c\n\x04\x64ocs\x18\x01 \x03(\x0b\x32\x0e.gnes.Document\x1a<\n\x0cQueryRequest\x12\x1d\n\x05query\x18\x01 \x01(\x0b\x32\x0e.gnes.Document\x12\r\n\x05top_k\x18\x02 \x01(\r\x1am\n\x0e\x43ontrolRequest\x12\x35\n\x07\x63ommand\x18\x01 \x01(\x0e\x32$.gnes.Request.ControlRequest.Command\"$\n\x07\x43ommand\x12\r\n\tTERMINATE\x10\x00\x12\n\n\x06STATUS\x10\x01\x42\x06\n\x04\x62ody\"\x8a\x06\n\x08Response\x12\x12\n\nrequest_id\x18\x01 \x01(\r\x12-\n\x05train\x18\x02 \x01(\x0b\x32\x1c.gnes.Response.TrainResponseH\x00\x12-\n\x05index\x18\x03 \x01(\x0b\x32\x1c.gnes.Response.IndexResponseH\x00\x12.\n\x06search\x18\x04 \x01(\x0b\x32\x1c.gnes.Response.QueryResponseH\x00\x12\x31\n\x07\x63ontrol\x18\x05 \x01(\x0b\x32\x1e.gnes.Response.ControlResponseH\x00\x1a\x36\n\rTrainResponse\x12%\n\x06status\x18\x01 \x01(\x0e\x32\x15.gnes.Response.Status\x1a\x36\n\rIndexResponse\x12%\n\x06status\x18\x01 \x01(\x0e\x32\x15.gnes.Response.Status\x1a\x38\n\x0f\x43ontrolResponse\x12%\n\x06status\x18\x01 \x01(\x0e\x32\x15.gnes.Response.Status\x1a\xc7\x02\n\rQueryResponse\x12%\n\x06status\x18\x01 \x01(\x0e\x32\x15.gnes.Response.Status\x12\r\n\x05top_k\x18\x02 \x01(\r\x12?\n\x0ctopk_results\x18\x03 \x03(\x0b\x32).gnes.Response.QueryResponse.ScoredResult\x1a\xbe\x01\n\x0cScoredResult\x12\x1c\n\x05\x63hunk\x18\x01 \x01(\x0b\x32\x0b.gnes.ChunkH\x00\x12\x1d\n\x03\x64oc\x18\x02 \x01(\x0b\x32\x0e.gnes.DocumentH\x00\x12>\n\x05score\x18\x03 \x01(\x0b\x32/.gnes.Response.QueryResponse.ScoredResult.Score\x1a)\n\x05Score\x12\r\n\x05value\x18\x01 \x01(\x02\x12\x11\n\texplained\x18\x02 \x01(\tB\x06\n\x04\x62ody\"-\n\x06Status\x12\x0b\n\x07SUCCESS\x10\x00\x12\t\n\x05\x45RROR\x10\x01\x12\x0b\n\x07PENDING\x10\x02\x42\x06\n\x04\x62ody2\xe3\x01\n\x07GnesRPC\x12(\n\x05Train\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00\x12(\n\x05Index\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00\x12(\n\x05Query\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00\x12\'\n\x04\x43\x61ll\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00\x12\x31\n\nStreamCall\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00(\x01\x30\x01\x62\x06proto3')
   ,
   dependencies=[google_dot_protobuf_dot_timestamp__pb2.DESCRIPTOR,])
 
@@ -105,8 +104,8 @@
   ],
   containing_type=None,
   serialized_options=None,
-    serialized_start=2196,
-    serialized_end=2241,
+  serialized_start=2196,
+  serialized_end=2241,
 )
 _sym_db.RegisterEnumDescriptor(_RESPONSE_STATUS)
 
@@ -801,8 +800,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-    serialized_start=2145,
-    serialized_end=2186,
+  serialized_start=2145,
+  serialized_end=2186,
 )
 
 _RESPONSE_QUERYRESPONSE_SCOREDRESULT = _descriptor.Descriptor(
@@ -848,8 +847,8 @@
       name='body', full_name='gnes.Response.QueryResponse.ScoredResult.body',
       index=0, containing_type=None, fields=[]),
   ],
-    serialized_start=2004,
-    serialized_end=2194,
+  serialized_start=2004,
+  serialized_end=2194,
 )
 
 _RESPONSE_QUERYRESPONSE = _descriptor.Descriptor(
@@ -893,7 +892,7 @@
   oneofs=[
   ],
   serialized_start=1867,
-    serialized_end=2194,
+  serialized_end=2194,
 )
 
 _RESPONSE = _descriptor.Descriptor(
@@ -955,7 +954,7 @@
       index=0, containing_type=None, fields=[]),
   ],
   serialized_start=1471,
-    serialized_end=2249,
+  serialized_end=2249,
 )
 
 _CHUNK.fields_by_name['blob'].message_type = _NDARRAY
@@ -1216,8 +1215,8 @@
   file=DESCRIPTOR,
   index=0,
   serialized_options=None,
-    serialized_start=2252,
-    serialized_end=2479,
+  serialized_start=2252,
+  serialized_end=2479,
   methods=[
   _descriptor.MethodDescriptor(
     name='Train',