One Checker -

def __init__(self, name: str = "SystemOneChecker"): self.name = name self.checks: List[Callable] = [] self.results: List[OneCheckReport] = []

passing_checker = OneChecker("PassingExample") one checker

class CheckResponse(BaseModel): is_unique: bool duplicates: List[Any] total_items: int unique_count: int def __init__(self, name: str = "SystemOneChecker"): self

def run_all_checks(self) -> List[OneCheckReport]: """Execute all registered checks""" self.results = [] # Built-in checks that can be customized via registration for name, check_func in self.checks: result = check_func() self.results.append(result) return self.results one checker

return CheckResponse( is_unique=len(duplicates) == 0, duplicates=duplicates, total_items=len(request.data), unique_count=len(seen) )

@dataclass class OneCheckReport: """Report structure for each check""" check_name: str result: CheckerResult message: str details: Optional[Dict] = None