Add package data for default prompts and clean up templates

Added MANIFEST.in and updated pyproject.toml to include default prompt files in package data. Removed hardcoded minimal template fallbacks from TemplateManager, relying on external files for critical templates and fragments.

Author: codelion

MANIFEST.in

@@ -0,0 +1,2 @@
+include openevolve/prompts/defaults/*.txt
+include openevolve/prompts/defaults/*.json

openevolve/prompt/templates.py

@@ -187,9 +187,6 @@ def __init__(self, custom_template_dir: Optional[str] = None):
         # 2. Override with custom templates (if provided)
         if self.custom_dir and self.custom_dir.exists():
             self._load_from_directory(self.custom_dir)
-        
-        # 3. Minimal hardcoded fallbacks (for safety/compatibility)
-        self._ensure_minimal_templates()
 
     def _load_from_directory(self, directory: Path) -> None:
         """Load all templates and fragments from a directory"""
@@ -208,23 +205,6 @@ def _load_from_directory(self, directory: Path) -> None:
             with open(fragments_file, 'r') as f:
                 loaded_fragments = json.load(f)
                 self.fragments.update(loaded_fragments)
-    
-    def _ensure_minimal_templates(self) -> None:
-        """Ensure critical templates exist (backward compatibility)"""
-        if "system_message" not in self.templates:
-            self.templates["system_message"] = "You are an AI assistant helping with code evolution."
-        if "diff_user" not in self.templates:
-            self.templates["diff_user"] = "# Task\nImprove the program:\n```\n{current_program}\n```"
-        if "full_rewrite_user" not in self.templates:
-            self.templates["full_rewrite_user"] = "# Task\nRewrite the program:\n```\n{current_program}\n```"
-        
-        # Ensure critical fragments exist
-        if "fitness_improved" not in self.fragments:
-            self.fragments["fitness_improved"] = "Fitness improved: {prev} → {current}"
-        if "fitness_declined" not in self.fragments:
-            self.fragments["fitness_declined"] = "Fitness declined: {prev} → {current}"
-        if "no_specific_guidance" not in self.fragments:
-            self.fragments["no_specific_guidance"] = "Focus on improving fitness while maintaining diversity"
 
     def get_template(self, name: str) -> str:
         """Get a template by name"""

pyproject.toml

@@ -50,5 +50,8 @@ openevolve-run = "openevolve.cli:main"
 [tool.setuptools.packages.find]
 include = ["openevolve*"]
 
+[tool.setuptools.package-data]
+openevolve = ["prompts/defaults/*.txt", "prompts/defaults/*.json"]
+
 [tool.setuptools.dynamic]
 version = {attr = "openevolve._version.__version__"}