Function check

tests/smoke_test_mcp.py:30–37

(name: str, condition: bool, detail: str = "")

def check(name: str, condition: bool, detail: str = ""):
    global _passed, _failed
    if condition:
        _passed += 1
        print(f"  PASS: {name}")
    else:
        _failed += 1
        print(f"  FAIL: {name} — {detail}")


def main():