```typescript
export function runPatrol(width: number, start: number, moves: number[]): Record<string, number> {
  if (!Number.isInteger(width) || width <= 0) {
    throw new Error("Width must be a positive integer.");
  }
  if (!Number.isInteger(start) || start < 0 || start >= width) {
    throw new Error("Start position must be an integer within the corridor.");
  }
  if (!Array.isArray(moves)) {
    throw new Error("Moves argument must be a list.");
  }

  let position = start;
  let bumps = 0;
  const visited: Set<number> = new Set([position]);

  for (const delta of moves) {
    const [newPosition, isWallCut] = clampMove(position, delta, width);
    if (isWallCut) {
      bumps++;
    }
    position = newPosition;
    visited.add(position);
  }

  return {
    position,
    bumps,
    visited: visited.size - 1 // Subtract 1 because the start is counted
  };
}

export function clampMove(position: number, delta: number, width: number): [number, boolean] {
  const newPostion = position + delta;
  if (newPosition < 0 || newPosition >= width) {
    return [position, true];
  }
  return [newPosition, false];
}
```