add style guide

Signed-off-by: Reshma Abdul Rahim <reshmarahim.abdul@microsoft.com>

Author: Reshrahim

.github/workflows/auto-blog-post.yml

@@ -78,13 +78,21 @@ jobs:
           
           # Get contribution guide content from re/ab branch
           echo "Fetching contribution guide from re/ab branch..."
-          curl -s "https://raw.githubusercontent.com/radius-project/blog/re/ab/radblog/guide/contribution-guide.md" > contribution-guide.md
-          if [ -f "contribution-guide.md" ] && [ -s "contribution-guide.md" ]; then
+          HTTP_STATUS=$(curl -s -w "%{http_code}" "https://raw.githubusercontent.com/radius-project/blog/re%2Fab/radblog/guide/contribution-guide.md" -o contribution-guide.md)
+          
+          if [ "$HTTP_STATUS" = "200" ] && [ -f "contribution-guide.md" ] && [ -s "contribution-guide.md" ]; then
             STYLE_GUIDE=$(cat contribution-guide.md)
-            echo "✅ Contribution guide fetched successfully"
+            echo "✅ Contribution guide fetched successfully (HTTP $HTTP_STATUS)"
           else
-            echo "❌ Failed to fetch contribution guide, using fallback"
-            STYLE_GUIDE="Follow Radius blog style guide: conversational, user-focused, technical depth over marketing."
+            echo "❌ Failed to fetch contribution guide (HTTP $HTTP_STATUS), trying alternative method..."
+            # Try using git show as fallback
+            if git show re/ab:radblog/guide/contribution-guide.md > contribution-guide.md 2>/dev/null; then
+              STYLE_GUIDE=$(cat contribution-guide.md)
+              echo "✅ Contribution guide fetched via git show"
+            else
+              echo "❌ All methods failed, using fallback style guide"
+              STYLE_GUIDE="Follow Radius blog style guide: conversational, user-focused, technical depth over marketing, evidence-based content only."
+            fi
           fi
           
           # Create AI prompt from template using safer approach