chore: 聚合Python依赖入口并更新README安装说明

README.md

@@ -31,9 +31,11 @@ claude plugin install webnovel-writer@webnovel-writer-marketplace --scope user
 ### 2) 安装 Python 依赖
 
 ```bash
-python -m pip install -r https://raw.githubusercontent.com/lingfengQAQ/webnovel-writer/HEAD/webnovel-writer/scripts/requirements.txt
+python -m pip install -r https://raw.githubusercontent.com/lingfengQAQ/webnovel-writer/HEAD/requirements.txt
 ```
 
+说明：该入口会同时安装核心写作链路与 Dashboard 依赖。
+
 ### 3) 初始化小说项目
 
 在 Claude Code 中执行：

requirements.txt

@@ -0,0 +1,2 @@
+-r webnovel-writer/scripts/requirements.txt
+-r webnovel-writer/dashboard/requirements.txt