docs(readme): clarify EverOS positioning (#262)

Rename the overview section to focus on why EverOS matters in both English and Chinese READMEs.

Simplify the EverMind ecosystem copy around EverOS as the core memory architecture and mirror that positioning in the Chinese README.

README.md

@@ -22,7 +22,7 @@
 <br>
 
 - [EverOS 1.0.0 Highlights](#everos-100-highlights)
-- [What Is EverOS](#what-is-everos)
+- [Why EverOS](#why-everos)
 - [Quick Start](#quick-start)
 - [Architecture At A Glance](#architecture-at-a-glance)
 - [Storage Layout](#storage-layout)
@@ -96,7 +96,7 @@ Search independently by <code>user_id</code>, <code>agent_id</code>,
 </div>
 
 
-## What Is EverOS
+## Why EverOS
 
 EverOS is an open-source Python framework for self-evolving long-term
 memory across agents and platforms. It gives makers one portable memory
@@ -675,7 +675,7 @@ Star the repo or join the community links above to follow new architecture metho
 
 ## EverMind Ecosystems
 
-EverMind is an open-source ecosystem for long-term memory, self-evolving agents, and memory evaluation. EverOS is the core runtime architecture; EverMemOS is the paper and research line carrying our strongest memory-system benchmark runs; EverAlgo supplies the next-generation algorithms that make the system modular and reusable.
+EverMind is an open-source ecosystem for long-term memory, self-evolving agents, and memory evaluation.
 
 <table>
 <tr>
@@ -683,7 +683,7 @@ EverMind is an open-source ecosystem for long-term memory, self-evolving agents,
 </tr>
 <tr>
 <td><strong>Core Memory Architecture</strong></td>
-<td><a href="https://github.com/EverMind-AI/EverOS">EverOS</a> / EverMemOS - the local memory operating system and research-backed runtime for agent and user memory.</td>
+<td><a href="https://github.com/EverMind-AI/EverOS">EverOS</a> - the local memory operating system and research-backed runtime for agent and user memory.</td>
 </tr>
 <tr>
 <td><strong>Algorithm Engine</strong></td>

README.zh-CN.md

@@ -22,7 +22,7 @@
 <br>
 
 - [EverOS 1.0.0 亮点](#everos-100-亮点)
-- [什么是 EverOS](#什么是-everos)
+- [为什么选择 EverOS](#为什么选择-everos)
 - [快速开始](#快速开始)
 - [架构概览](#架构概览)
 - [存储布局](#存储布局)
@@ -90,7 +90,7 @@ Agent 记忆（<code>cases</code> / <code>skills</code>）与用户记忆（<cod
 </div>
 
 
-## 什么是 EverOS
+## 为什么选择 EverOS
 
 EverOS 是一个开源 Python 框架，用来构建**跨 Agent、跨平台的自进化长期记忆**。
 它为 maker 提供一层可携带的统一记忆层，适用于他们使用的每一个 Agent：
@@ -663,8 +663,6 @@ memory-enabled use cases、Wiki 式记忆和 Dreaming 更新。
 ## EverMind 生态
 
 EverMind 是一个面向长期记忆、自进化 Agent 和记忆评测的开源生态。
-EverOS 是核心运行时架构；EverMemOS 是论文与研究线，承载我们最强的
-memory-system benchmark runs；EverAlgo 提供让系统保持模块化和可复用的下一代算法。
 
 <table>
 <tr>
@@ -672,7 +670,7 @@ memory-system benchmark runs；EverAlgo 提供让系统保持模块化和可复
 </tr>
 <tr>
 <td><strong>核心记忆架构</strong></td>
-<td><a href="https://github.com/EverMind-AI/EverOS">EverOS</a> / EverMemOS - 本地记忆操作系统，以及有研究支撑的 Agent 和用户记忆运行时。</td>
+<td><a href="https://github.com/EverMind-AI/EverOS">EverOS</a> - 本地记忆操作系统，以及有研究支撑的 Agent 和用户记忆运行时。</td>
 </tr>
 <tr>
 <td><strong>算法引擎</strong></td>