docs(translation): add markdown code block validation

Author: lzwjava

scripts/translation/translate_client.py

@@ -47,6 +47,7 @@ def build_prompt_template(target_language, type_, front_matter):
 - Always add a blank line between headers (lines starting with #) and tables (lines starting with |)
 - Maintain proper markdown table structure
 - Preserve all original formatting and spacing except where formatting rules require changes
+- DO NOT wrap the entire translation in markdown code blocks (```markdown or ```) - the content will be used directly in Jekyll with Kramdown
 
 TRANSLATION RULES:
 - Do not translate specific items such as project names, company names, or school names if you are not sure

scripts/translation/translate_validate_utils.py

@@ -20,6 +20,10 @@ def check_commentary(translated):
     for ind in indicators:
         if ind in low:
             raise RuntimeError("Model included commentary")
+    
+    # Check for markdown code blocks
+    if "```markdown" in translated.lower():
+        raise RuntimeError("Model included markdown code blocks")
 
 def check_title_strict(title, target_lang):
     """Strict title validation - removes quotes and special chars based on language"""