Refactor: Conflict resolution, bug fixes mainly for the mem scheduler

[tangg555]

Description

Summary: (summary)
This PR addresses multiple improvements across the codebase:

Conflict Resolution

Rebased branch to resolve merge conflicts

Bug Fixes

Fixed retriever component issues

Resolved bugs in mem_scheduler examples

Modified configs and schedule handlers in mem_scheduler

Renamed ambiguous variables for better clarity

Feature Improvements

Added new authentication configuration for Neo4j database

Removed redundant working memory initialization (logical optimization)

Refactored search function parameters to better handle input information

Code Quality

Streamlined function interfaces

Removed unnecessary logical operations

Fix: #(issue)

Docs Issue/PR: (docs-issue-or-pr-link)

Reviewer: @(reviewer)

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

[CaralHsi]

Looks good:)