Remove heredoc entirely, use only jq for JSON generation

Author: jamiew

.github/workflows/generate-site.yml

@@ -32,19 +32,12 @@ jobs:
         env:
           ANTHROPIC_API_KEY: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
         run: |
-          # Build JSON request
-          PROMPT=$(cat full_prompt.txt | jq -Rs .)
-
-          cat > request.json <<EOF
-{
-  "model": "claude-sonnet-4-20250514",
-  "max_tokens": 8192,
-  "messages": [{
-    "role": "user",
-    "content": $PROMPT
-  }]
-}
-EOF
+          # 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 \