Fix AI bot turn completion - remove isAIThinking block in endTurn()

public/game.js

@@ -516,7 +516,7 @@ class GameUI {
 
   async endTurn() {
     if (this.gamePhase !== 'movement') return;
-    if (this.isAIThinking) return;
+    // Remove isAIThinking check - AI needs to call endTurn() after its move
 
     // Apply supply
     const supply = this.map.calculateSupply(this.currentPlayer);
@@ -542,10 +542,9 @@ class GameUI {
       this.isAIThinking = true;
       this.updateUI();
 
-      // Run AI turn
+      // Run AI turn and reset flag when done
       this.aiBots[this.currentPlayer].playTurn().then(() => {
         this.isAIThinking = false;
-        // AI will call endTurn() when done
       });
     }
   }