fix: Handle system prompt template separately

app.py

@@ -216,13 +216,15 @@ with open("prompts.yaml", 'r') as stream:
             agent_templates[key] = {}
             for subkey, subvalue in value.items():
                 if isinstance(subvalue, str):
-                    # Ensure each template string is properly formatted
-                    if '{{' in subvalue or '{%' in subvalue:
-                        # Keep template syntax as is
+                    # For system prompt, keep template syntax as is
+                    if key == 'system_prompt':
                         agent_templates[key][subkey] = subvalue
                     else:
-                        # For non-template content, wrap in a simple template expression
-                        agent_templates[key][subkey] = '{{ "' + subvalue.replace('"', '\\"') + '" }}'
+                        # For other templates, wrap non-template content in a simple template expression
+                        if '{{' in subvalue or '{%' in subvalue:
+                            agent_templates[key][subkey] = subvalue
+                        else:
+                            agent_templates[key][subkey] = '{{ "' + subvalue.replace('"', '\\"') + '" }}'
                 else:
                     agent_templates[key][subkey] = subvalue
         else: