chore: 以 MIT 协议开源并指向公开仓库

发布到 PyPI 前元数据必须声明真实协议：原先的
LicenseRef-Proprietary 与开源发布相矛盾。协议正文与版权行
沿用 QoderAI/better-harness 的写法（MIT, Copyright (c) 2026 Qoder）。
Repository URL 同时从内网地址切到 GitHub 并补上 Issues 入口。

Author: moonyue-w

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Qoder
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -249,3 +249,7 @@ tests/                    # 资源面、文档契约、公共层与模拟执行
 examples/                 # 每个场景一个文件；各 mode 含 6 个同步场景、异步片段及 live 测试
 docs/                     # Forward / Managed 完整 API 参考
 ```
+
+## 许可证
+
+本项目基于 [MIT License](LICENSE) 开源。

pyproject.toml

@@ -3,7 +3,8 @@ name = "qca"
 version = "0.1.0"
 description = "Typed synchronous and asynchronous clients for Qoder Cloud Agents"
 authors = [{name = "Qoder"}]
-license = "LicenseRef-Proprietary"
+license = "MIT"
+license-files = ["LICENSE"]
 readme = "README.md"
 keywords = ["Qoder", "Cloud Agents", "Forward", "Managed"]
 requires-python = ">=3.10"
@@ -18,7 +19,8 @@ dependencies = [
 dev = ["pytest>=8", "pytest-asyncio>=0.24", "ruff>=0.11", "mypy>=1.15", "build>=1.2"]
 
 [project.urls]
-Repository = "https://gitlab.alibaba-inc.com/cloud-agent/qoder-cloud-agents-sdk-python"
+Repository = "https://github.com/QoderAI/qoder-cloud-agents-sdk-python"
+Issues = "https://github.com/QoderAI/qoder-cloud-agents-sdk-python/issues"
 
 [build-system]
 requires = ["setuptools>=77"]