feat: Improve attacker/blocker declaration by adding client-side creature validation, enforcing correct player priority, and enhancing server-side error logging.

src/client/dev-dist/sw.js

@@ -82,7 +82,7 @@ define(['./workbox-5a5d9309'], (function (workbox) { 'use strict';
     "revision": "3ca0b8505b4bec776b69afdba2768812"
   }, {
     "url": "index.html",
-    "revision": "0.vopjl6fp8f"
+    "revision": "0.inrr5fp7a9"
   }], {});
   workbox.cleanupOutdatedCaches();
   workbox.registerRoute(new workbox.NavigationRoute(workbox.createHandlerBoundToURL("index.html"), {

src/client/src/modules/game/GameView.tsx

@@ -706,6 +706,14 @@ export const GameView: React.FC<GameViewProps> = ({ gameState, currentPlayerId }
                               onDragStart={() => { }}
                               onClick={(id) => {
                                 if (gameState.step === 'declare_attackers') {
+                                  // Validate Creature Type
+                                  const types = card.types || [];
+                                  const typeLine = card.typeLine || '';
+                                  if (!types.includes('Creature') && !typeLine.includes('Creature')) {
+                                    // Optional: Shake effect or visual feedback that it's invalid
+                                    return;
+                                  }
+
                                   const newSet = new Set(proposedAttackers);
                                   if (newSet.has(id)) newSet.delete(id);
                                   else newSet.add(id);