[WIP] Fix missing OPENAI_API_KEY in GenAIScript smoke test

.github/workflows/shared/genaiscript.md

@@ -5,6 +5,19 @@ engine:
     GH_AW_AGENT_VERSION: "2.5.1"
     GH_AW_AGENT_MODEL_VERSION: "openai:gpt-4.1"
   steps:
+    - name: Validate OPENAI_API_KEY secret
+      run: |
+        if [ -z "$OPENAI_API_KEY" ]; then
+          echo "Error: OPENAI_API_KEY secret is not set"
+          echo "The GenAIScript engine with openai:gpt-4.1 model requires OPENAI_API_KEY secret to be configured."
+          echo "Please configure this secret in your repository settings."
+          echo "Documentation: https://githubnext.github.io/gh-aw/reference/engines/"
+          exit 1
+        fi
+        echo "OPENAI_API_KEY secret is configured"
+      env:
+        OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+
     - name: Install GenAIScript
       run: npm install -g genaiscript@${GH_AW_AGENT_VERSION} && genaiscript --version
       env:
@@ -33,6 +46,7 @@ engine:
         GH_AW_PROMPT: ${{ env.GH_AW_PROMPT }}
         GH_AW_MCP_CONFIG: ${{ env.GH_AW_MCP_CONFIG }}
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
 ---
 
 <!--
@@ -53,10 +67,12 @@ imports:
 - The original prompt file is converted to GenAI markdown format (prompt.genai.md)
 - GenAIScript is executed with MCP server configuration if available
 - Output is captured in the agent log file
+- **OPENAI_API_KEY secret must be configured** in repository settings when using OpenAI models
 
 **Note**: 
 - This workflow requires internet access to install npm packages
 - The genaiscript version can be customized by setting the `GH_AW_AGENT_VERSION` environment variable (default: `2.5.1`)
 - The AI model can be customized by setting the `GH_AW_AGENT_MODEL_VERSION` environment variable (default: `openai:gpt-4.1`)
 - MCP server configuration is automatically passed if configured in the workflow
+- When using `openai:` models, ensure the `OPENAI_API_KEY` secret is configured in your repository settings
 -->