```python
def run_patrol(width: int, start: int, moves: list) -> dict:
    if not isinstance(width, int) or width < 1:
        raise ValueError("width must be a positive integer")
    if not isinstance(start, int) or not 0 <= start < width:
        raise ValueError("start must sit inside the corridor")
    if not isinstance(moves, list):
        raise ValueError("moves must be a list")

    position = start
    bumps = 0
    visited = {position}

    for delta in moves:
        if not isinstance(delta, int) or delta == 0:
            raise ValueError("a move must be a non-zero integer")
        
        [landed, cut_short] = clamp_move(position, delta, width)
        position = landed

        if cut_short:
            bumps += 1
        
        visited.add(landed)

    return {
        "position": position,
        "bumps": bumps,
        "visited": len(visited) - (start == position)
    }
```