feat: 将项目协议从 MIT/ISC 迁移到 AGPL-3.0

- 替换 LICENSE 文件为 AGPL-3.0 完整协议文本
- 更新所有 package.json 的 license 字段为 AGPL-3.0-only
- 更新 README 文件协议说明，采用简洁易懂的描述方式
- 为关键入口文件添加 AGPL-3.0 标准协议头部注释
- 明确说明 AGPL-3.0 允许商业使用但要求网络服务开源

BREAKING CHANGE: 协议从宽松的 MIT/ISC 变更为强 Copyleft 的 AGPL-3.0

Author: linshenkx

LICENSE

@@ -9,7 +9,7 @@
 
 <a href="https://trendshift.io/repositories/13813" target="_blank"><img src="https://trendshift.io/api/badge/repositories/13813" alt="linshenkx%2Fprompt-optimizer | Trendshift" style="width: 250px; height: 55px;" width="250" height="55"/></a>
 
-[![License](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)
+[![License](https://img.shields.io/badge/license-AGPL--3.0-blue.svg)](LICENSE)
 [![Docker Pulls](https://img.shields.io/docker/pulls/linshen/prompt-optimizer)](https://hub.docker.com/r/linshen/prompt-optimizer)
 ![GitHub forks](https://img.shields.io/github/forks/linshenkx/prompt-optimizer?style=flat)
 [![Deploy with Vercel](https://img.shields.io/badge/Vercel-indigo?style=flat&logo=vercel)](https://vercel.com/new/clone?repository-url=https%3A%2F%2Fgithub.com%2Flinshenkx%2Fprompt-optimizer)
@@ -422,7 +422,26 @@ pnpm dev:fresh        # 完整重置并重新启动开发环境
 
 ## 📄 开源协议
 
-本项目采用 [MIT](LICENSE) 协议开源。
+本项目采用 [AGPL-3.0](LICENSE) 协议开源。
+
+**简单来说**：你可以自由使用、修改和商用本项目，但如果你把它做成网站或服务给别人用，需要公开你的源代码。
+
+<details>
+<summary>👉 点击查看详细说明</summary>
+
+**允许做什么：**
+- ✅ 个人使用、学习、研究
+- ✅ 公司内部使用（不对外提供服务）
+- ✅ 修改代码并用于商业项目
+- ✅ 收费销售或提供服务
+
+**需要做什么：**
+- 📖 如果分发软件或提供网络服务，必须公开源代码
+- 📝 保留原作者的版权声明
+
+**一句话核心**：可以商用，但不能闭源。
+
+</details>
 
 ---
 

README.md

@@ -9,7 +9,7 @@
 
 <a href="https://trendshift.io/repositories/13813" target="_blank"><img src="https://trendshift.io/api/badge/repositories/13813" alt="linshenkx%2Fprompt-optimizer | Trendshift" style="width: 250px; height: 55px;" width="250" height="55"/></a>
 
-[![License](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)
+[![License](https://img.shields.io/badge/license-AGPL--3.0-blue.svg)](LICENSE)
 [![Docker Pulls](https://img.shields.io/docker/pulls/linshen/prompt-optimizer)](https://hub.docker.com/r/linshen/prompt-optimizer)
 ![GitHub forks](https://img.shields.io/github/forks/linshenkx/prompt-optimizer?style=flat)
 [![Deploy with Vercel](https://img.shields.io/badge/Vercel-indigo?style=flat&logo=vercel)](https://vercel.com/new/clone?repository-url=https%3A%2F%2Fgithub.com%2Flinshenkx%2Fprompt-optimizer)
@@ -424,7 +424,26 @@ Thanks to all the developers who have contributed to this project!
 
 ## 📄 License
 
-This project is licensed under the [MIT](LICENSE) License.
+This project is licensed under [AGPL-3.0](LICENSE).
+
+**In simple terms**: You can freely use, modify, and commercialize this project, but if you turn it into a website or service for others, you must share your source code.
+
+<details>
+<summary>👉 Click for detailed explanation</summary>
+
+**What you can do:**
+- ✅ Personal use, learning, and research
+- ✅ Internal company use (not offering public services)
+- ✅ Modify code for commercial projects
+- ✅ Charge for products or services
+
+**What you must do:**
+- 📖 If distributing software or offering network services, disclose source code
+- 📝 Preserve original author's copyright notices
+
+**Core principle**: Commercial use is allowed, but not closed-source.
+
+</details>
 
 ---
 

README_EN.md

@@ -4,7 +4,7 @@
 
 [![GitHub stars](https://img.shields.io/github/stars/linshenkx/prompt-optimizer)](https://github.com/linshenkx/prompt-optimizer/stargazers)
 ![Chrome Web Store Users](https://img.shields.io/chrome-web-store/users/cakkkhboolfnadechdlgdcnjammejlna)
-[![License](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/linshenkx/prompt-optimizer/blob/main/LICENSE)
+[![License](https://img.shields.io/badge/license-AGPL--3.0-blue.svg)](https://github.com/linshenkx/prompt-optimizer/blob/main/LICENSE)
 
 **一个强大的 AI 提示词优化工具，帮助你编写更好的 AI 提示词，提升 AI 输出质量**
 
@@ -81,7 +81,7 @@
 
 ## 📄 开源协议
 
-本项目采用 [MIT](https://github.com/linshenkx/prompt-optimizer/blob/main/LICENSE) 协议开源。
+本项目采用 [GNU Affero General Public License v3.0](https://github.com/linshenkx/prompt-optimizer/blob/main/LICENSE) 协议开源。
 
 ---
 

mkdocs/docs/zh/index.md

@@ -84,7 +84,7 @@
   },
   "keywords": [],
   "author": "",
-  "license": "ISC",
+  "license": "AGPL-3.0-only",
   "pnpm": {
     "onlyBuiltDependencies": [
       "electron"

package.json

@@ -1,3 +1,20 @@
+/*
+ * Prompt Optimizer - AI提示词优化工具
+ * Copyright (C) 2025 linshenkx
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 // Core package entry point
 
 // 导出模板相关

packages/core/src/index.ts

@@ -1,3 +1,20 @@
+/*
+ * Prompt Optimizer - AI提示词优化工具
+ * Copyright (C) 2025 linshenkx
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 // 在所有其他模块之前初始化日志系统
 const ConsoleLogger = require('./config/console-logger');
 const consoleLogger = new ConsoleLogger();

packages/desktop/main.js

@@ -94,5 +94,5 @@
     "optimizer"
   ],
   "author": "https://github.com/linshenkx",
-  "license": "MIT"
+  "license": "AGPL-3.0-only"
 }

packages/desktop/package.json

@@ -165,4 +165,4 @@ npx @modelcontextprotocol/inspector
 
 ## 许可证
 
-MIT
+GNU Affero General Public License v3.0 (AGPL-3.0-only)

packages/mcp-server/README.md

@@ -24,7 +24,7 @@
     "ai"
   ],
   "author": "Prompt Optimizer Team",
-  "license": "MIT",
+  "license": "AGPL-3.0-only",
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.16.0",
     "@prompt-optimizer/core": "workspace:*",