Small refactor: improve ChatModelInfo computing and reporting short_d…

…oc as a property, in langchain_integration

ps_fuzz/cli.py

@@ -53,9 +53,7 @@ def main():
     if args.list_providers:
         print("Available providers:")
         for provider_name, provider_info in get_langchain_chat_models_info().items():
-            doc = provider_info.doc
-            short_doc = doc[:doc.find('\n')]
-            print(f"  {BRIGHT}{provider_name}{RESET}: {short_doc}")
+            print(f"  {BRIGHT}{provider_name}{RESET}: {provider_info.short_doc}")
         sys.exit(0)
 
     if args.system_prompt_file is None:

ps_fuzz/langchain_integration.py

@@ -76,6 +76,10 @@ def __str__(self):
             s += f"    {param_name}: {param}\n"
         return s
 
+    @property
+    def short_doc(self):
+        return self.doc[:self.doc.find('\n')]
+
 def get_langchain_chat_models_info() -> Dict[str, Dict[str, Any]]:
     """
     Introspects a langchain library, extracting information about supported chat models and required/optional parameters