Safely execute code with enhanced error handling
     
    
    Usage
    safe_execute(
  expr,
  function_name = "unknown",
  clinical_context = "",
  default_value = NULL
)
 
    
    Arguments
- expr
- Expression to execute 
- function_name
- Name of the calling function 
- clinical_context
- Clinical context for the operation 
- default_value
- Default value to return on error