fix(flow): Pass correct ctx to onMove hooks

Addresses a regression introduced in #1019, which passed a stale version of `ctx` when calling `onMove` hooks. This was particularly noticeable if the move triggered the end of a player’s stage, which the `onMove` hook would then not see.

Author: delucis

src/core/flow.ts

@@ -698,13 +698,12 @@ export function Flow({
 
   function ProcessMove(state: State, action: ActionPayload.MakeMove): State {
     const { playerID, type } = action;
-    const { ctx } = state;
-    const { currentPlayer, activePlayers, _activePlayersMaxMoves } = ctx;
-    const move = GetMove(ctx, type, playerID);
+    const { currentPlayer, activePlayers, _activePlayersMaxMoves } = state.ctx;
+    const move = GetMove(state.ctx, type, playerID);
     const shouldCount =
       !move || typeof move === 'function' || move.noLimit !== true;
 
-    let { numMoves, _activePlayersNumMoves } = ctx;
+    let { numMoves, _activePlayersNumMoves } = state.ctx;
     if (shouldCount) {
       if (playerID === currentPlayer) numMoves++;
       if (activePlayers) _activePlayersNumMoves[playerID]++;
@@ -713,7 +712,7 @@ export function Flow({
     state = {
       ...state,
       ctx: {
-        ...ctx,
+        ...state.ctx,
         numMoves,
         _activePlayersNumMoves,
       },
@@ -726,10 +725,10 @@ export function Flow({
       state = EndStage(state, { playerID, automatic: true });
     }
 
-    const phaseConfig = GetPhase(ctx);
+    const phaseConfig = GetPhase(state.ctx);
     const G = phaseConfig.turn.wrapped.onMove({
       ...state,
-      ctx: { ...ctx, playerID },
+      ctx: { ...state.ctx, playerID },
     });
     state = { ...state, G };