Move site generation logic to external script

This avoids all YAML heredoc parsing issues by keeping the workflow file simple.

Author: jamiew

.github/scripts/generate-site.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+set -e
+
+# Build prompt file
+echo "You are a web developer creating a GitHub Pages site." > full_prompt.txt
+echo "" >> full_prompt.txt
+echo "Here are the requirements:" >> full_prompt.txt
+echo "" >> full_prompt.txt
+cat docs/site-prompt.md >> full_prompt.txt
+echo "" >> full_prompt.txt
+echo "Please generate a complete, production-ready index.html file following all requirements. Output ONLY the HTML code, no explanations or markdown code blocks." >> full_prompt.txt
+
+# Build JSON request with jq
+jq -n \
+  --arg model "claude-sonnet-4-20250514" \
+  --rawfile content full_prompt.txt \
+  '{model: $model, max_tokens: 8192, messages: [{role: "user", content: $content}]}' \
+  > request.json
+
+# Call Claude API
+curl -s https://api.anthropic.com/v1/messages \
+  -H "content-type: application/json" \
+  -H "x-api-key: $ANTHROPIC_API_KEY" \
+  -H "anthropic-version: 2023-06-01" \
+  -d @request.json > response.json
+
+# Extract HTML
+jq -r '.content[0].text' response.json > docs/index.html.new
+
+# Verify output
+if [ ! -s docs/index.html.new ]; then
+  echo "Error: Generated HTML is empty"
+  jq '.' response.json
+  exit 1
+fi
+
+mv docs/index.html.new docs/index.html
+echo "Generated $(wc -l < docs/index.html) lines"

.github/workflows/generate-site.yml

@@ -7,6 +7,7 @@ on:
     paths:
       - 'docs/site-prompt.md'
       - '.github/workflows/generate-site.yml'
+      - '.github/scripts/generate-site.sh'
 
 jobs:
   generate:
@@ -18,46 +19,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Build prompt
-        run: |
-          echo "You are a web developer creating a GitHub Pages site." > full_prompt.txt
-          echo "" >> full_prompt.txt
-          echo "Here are the requirements:" >> full_prompt.txt
-          echo "" >> full_prompt.txt
-          cat docs/site-prompt.md >> full_prompt.txt
-          echo "" >> full_prompt.txt
-          echo "Please generate a complete, production-ready index.html file following all requirements. Output ONLY the HTML code, no explanations or markdown code blocks." >> full_prompt.txt
-
       - name: Generate site with Claude API
         env:
           ANTHROPIC_API_KEY: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
-        run: |
-          # Build JSON request with jq
-          jq -n \
-            --arg model "claude-sonnet-4-20250514" \
-            --rawfile content full_prompt.txt \
-            "{model: \$model, max_tokens: 8192, messages: [{role: \"user\", content: \$content}]}" \
-            > request.json
-
-          # Call Claude API
-          curl -s https://api.anthropic.com/v1/messages \
-            -H "content-type: application/json" \
-            -H "x-api-key: $ANTHROPIC_API_KEY" \
-            -H "anthropic-version: 2023-06-01" \
-            -d @request.json > response.json
-
-          # Extract HTML
-          jq -r '.content[0].text' response.json > docs/index.html.new
-
-          # Verify output
-          if [ ! -s docs/index.html.new ]; then
-            echo "Error: Generated HTML is empty"
-            jq '.' response.json
-            exit 1
-          fi
-
-          mv docs/index.html.new docs/index.html
-          echo "Generated $(wc -l < docs/index.html) lines"
+        run: bash .github/scripts/generate-site.sh
 
       - name: Commit and push if changed
         run: |