feat: add upload skill logic

[Wang-Daoji]

Description

Please include a summary of the change, the problem it solves, the implementation approach, and relevant context. List any dependencies required for this change.

Related Issue (Required): Fixes #1508

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

import time
import json
from memos.api.routers.server_router import add_memories, search_memories
from memos.api.product_models import APIADDRequest, APISearchRequest


if __name__ == "__main__":
    user_id = f"test_user_{time.time()}"

    readable_cube_ids = [user_id] 
    add_req = APIADDRequest(
        user_id=user_id,
        writable_cube_ids=readable_cube_ids,
        messages = [
            {
                "type": "file",
                "file": {
                    "file_data": "https://memos-knowledge-base-file-pre.oss-cn-shanghai.aliyuncs.com/memos-memory-guide.zip",
                }
            }
        ],
        async_mode="sync",
        mode="fine",
        info={"sbbbbb": "asdsdadsad", "bhjjjjjjjjjjj": "uuueueueueueueue"},
        session_id="1234567890",
        manager_user_id="super_manager_xxx",
        project_id="super_project_xxx",
        is_upload_skill=True,
    )


    add_rsp = add_memories(add_req)
    print("add_memories rsp: \n\n", add_rsp)

    search_req = APISearchRequest(
        user_id=user_id,
        readable_cube_ids=readable_cube_ids,
        query="memos memory",
        include_preference=True,
        search_tool_memory=True,
        include_skill_memory=True,
    )
    start = time.time()
    search_rsp = search_memories(search_req).data["skill_mem"]
    end = time.time()
    print(f"search_memories cost time: {end - start}")

    print("\n\nsearch_rsp: \n\n", json.dumps(search_rsp, indent=2, ensure_ascii=False))

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Unit Test
• Test Script Or Test Steps (please provide)
• Pipeline Automated API Test (please provide)

Checklist

• I have performed a self-review of my own code | 我已自行检查了自己的代码
• I have commented my code in hard-to-understand areas | 我已在难以理解的地方对代码进行了注释
• I have added tests that prove my fix is effective or that my feature works | 我已添加测试以证明我的修复有效或功能正常
• I have created related documentation issue/PR in MemOS-Docs (if applicable) | 我已在 MemOS-Docs 中创建了相关的文档 issue/PR（如果适用）
• I have linked the issue to this PR (if applicable) | 我已将 issue 链接到此 PR（如果适用）
• I have mentioned the person who will review this PR | 我已提及将审查此 PR 的人

Reviewer Checklist

• closes #xxxx (Replace xxxx with the GitHub issue number)
• Made sure Checks passed
• Tests have been provided