IPVGO: correctly initialize board from save when there are no prior moves (#1995)

Author: ficocelliguy

src/Go/SaveLoad.ts

@@ -111,7 +111,8 @@ function loadCurrentGame(currentGame: unknown): BoardState | string {
     ? Math.max(0, currentGame.cheatCountForWhite || 0)
     : 0;
   if (!isInteger(currentGame.passCount) || currentGame.passCount < 0) return "invalid number for currentGame.passCount";
-  const previousBoards = typeof currentGame.previousBoard === "string" ? [currentGame.previousBoard] : [];
+  const previousBoards =
+    currentGame.previousBoard && typeof currentGame.previousBoard === "string" ? [currentGame.previousBoard] : [];
 
   const boardState = boardStateFromSimpleBoard(board, ai);
   boardState.previousPlayer = previousPlayer;

src/Go/boardAnalysis/goAI.ts

@@ -403,7 +403,9 @@ async function getIlluminatiPriorityMove(moves: MoveOptions, rng: number): Promi
     return moves.corner()?.point ?? null;
   }
 
-  const hasMoves = [moves.eyeMove(), moves.eyeBlock(), moves.growth(), moves.defend, surround].filter((m) => m).length;
+  const hasMoves = [moves.eyeMove(), moves.eyeBlock(), moves.growth(), moves.defend(), surround].filter(
+    (m) => m,
+  ).length;
   const usePattern = rng > 0.25 || !hasMoves;
 
   if ((await moves.pattern()) && usePattern) {