build(start-mcp-python-hello-world): 添加部署前安装依赖的脚本

- 在 s.yaml 文件中添加 pre-deploy 动作
- 创建 python 目录（如果不存在）
- 安装 requirements.txt 中的依赖到 python 目录

Signed-off-by: zxypro1 <[email protected]>

Author: zxypro1

start-mcp-python-hello-world-stdio/src/build.yaml

@@ -0,0 +1,12 @@
+start-mcp-python-hello-world:
+  default:
+    languages:
+      - python3.10
+    cache:
+      paths:
+        - "~/.cache"
+    steps:
+      - run: mkdir -p python
+        path: ./code
+      - run: pip install -r requirements.txt -t ./python
+        path: ./code

start-mcp-python-hello-world-stdio/src/s.yaml

@@ -7,6 +7,12 @@ vars:
 resources:
   start-mcp-python-hello-world:
     component: fc3
+    actions: 
+      pre-deploy:
+        - run: python3 -c "import os; os.makedirs('python', exist_ok=True)"
+          path: ./code
+        - run: pip install -r requirements.txt -t ./python
+          path: ./code
     props:
       region: ${vars.region}
       description: Serverless Devs Python MCP Server

start-mcp-python-hello-world/src/build.yaml

@@ -0,0 +1,12 @@
+start-mcp-python-hello-world:
+  default:
+    languages:
+      - python3.10
+    cache:
+      paths:
+        - "~/.cache"
+    steps:
+      - run: mkdir -p python
+        path: ./code
+      - run: pip install -r requirements.txt -t ./python
+        path: ./code

start-mcp-python-hello-world/src/s.yaml

@@ -7,6 +7,12 @@ vars:
 resources:
   start-mcp-python-hello-world:
     component: fc3
+    actions: 
+      pre-deploy:
+        - run: python3 -c "import os; os.makedirs('python', exist_ok=True)"
+          path: ./code
+        - run: pip install -r requirements.txt -t ./python
+          path: ./code
     props:
       region: ${vars.region}
       description: Serverless Devs Python MCP Server