Feat/memory (#11812)

### What problem does this PR solve?

Manage and display memory datasets.

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

api/utils/memory_utils.py

@@ -0,0 +1,54 @@
+#
+#  Copyright 2025 The InfiniFlow Authors. All Rights Reserved.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+from typing import List
+from common.constants import MemoryType
+
+def format_ret_data_from_memory(memory):
+    return {
+        "id": memory.id,
+        "name": memory.name,
+        "avatar": memory.avatar,
+        "tenant_id": memory.tenant_id,
+        "owner_name": memory.owner_name if hasattr(memory, "owner_name") else None,
+        "memory_type": get_memory_type_human(memory.memory_type),
+        "storage_type": memory.storage_type,
+        "embd_id": memory.embd_id,
+        "llm_id": memory.llm_id,
+        "permissions": memory.permissions,
+        "description": memory.description,
+        "memory_size": memory.memory_size,
+        "forgetting_policy": memory.forgetting_policy,
+        "temperature": memory.temperature,
+        "system_prompt": memory.system_prompt,
+        "user_prompt": memory.user_prompt,
+        "create_time": memory.create_time,
+        "create_date": memory.create_date,
+        "update_time": memory.update_time,
+        "update_date": memory.update_date
+    }
+
+
+def get_memory_type_human(memory_type: int) -> List[str]:
+    return [mem_type.name.lower() for mem_type in MemoryType if memory_type & mem_type.value]
+
+
+def calculate_memory_type(memory_type_name_list: List[str]) -> int:
+    memory_type = 0
+    type_value_map = {mem_type.name.lower(): mem_type.value for mem_type in MemoryType}
+    for mem_type in memory_type_name_list:
+        if mem_type in type_value_map:
+            memory_type |= type_value_map[mem_type]
+    return memory_type