fix: Preserve system prompt template variables

app.py

@@ -92,10 +92,12 @@ with open("prompts.yaml", 'r') as stream:
                 # Log the exact content before processing
                 logger.debug(f"Raw template content: {value}")
                 
-                # For system prompt, wrap the entire content in a template expression
+                # For system prompt, ensure proper spacing in template expressions
                 if is_system_prompt:
-                    escaped_content = value.replace('"', '\\"').replace('\n', '\\n')
-                    value = f'{{{{ "{escaped_content}" }}}}'
+                    # Ensure proper spacing in template expressions
+                    value = re.sub(r'{{([^{}]+)}}', lambda m: '{{ ' + m.group(1).strip() + ' }}', value)
+                    value = re.sub(r'{%([^{}]+)%}', lambda m: '{% ' + m.group(1).strip() + ' %}', value)
+                    value = value.replace('\n', '\\n')
                 else:
                     # For other templates, wrap non-template content
                     if '{{' not in value and '{%' not in value: