feat: template aritifact and diverse program title

Author: FunMelon

openevolve/prompt/sampler.py

@@ -356,7 +356,7 @@ def _format_evolution_history(
                 # Use random sampling to get diverse programs
                 diverse_programs = random.sample(remaining_programs, num_diverse)
 
-                diverse_programs_str += "\n\n## Diverse Programs\n\n"
+                diverse_programs_str += "\n\n## " + self.template_manager.get_fragment("diverse_programs_title") + "\n\n"
 
                 for i, program in enumerate(diverse_programs):
                     # Use the full program code
@@ -589,7 +589,7 @@ def _render_artifacts(self, artifacts: Dict[str, Union[str, bytes]]) -> str:
             sections.append(f"### {key}\n```\n{content}\n```")
 
         if sections:
-            return "## Last Execution Output\n\n" + "\n\n".join(sections)
+            return "## " + self.template_manager.get_fragment("artifact_title") + "\n\n" + "\n\n".join(sections)
         else:
             return ""
 

openevolve/prompts/defaults/fragments.json

@@ -15,5 +15,7 @@
   "metrics_regressed": "Metrics showing changes: {metrics}. Consider different approaches in these areas.",
   "code_simplification": "Consider simplifying the code to improve readability and maintainability",
   "default_improvement": "Focus on improving the fitness score while exploring diverse solutions",
-  "no_feature_coordinates": "No feature coordinates"
+  "no_feature_coordinates": "No feature coordinates",
+  "artifact_title": "Last Execution Output",
+  "diverse_programs_title": "Diverse Programs"
 }