fix: enable action-mode buttons in match view (final-review Critical)

public/js/match.js

@@ -266,6 +266,7 @@ function setMode(mode) {
     if (btn) {
       if (m === mode) btn.classList.add('bf-action--active');
       else btn.classList.remove('bf-action--active');
+      btn.removeAttribute('disabled');
     }
   });
   renderAbilityOptions();

src/Views/match.php

@@ -24,9 +24,9 @@ render_layout(static function (): void {
         <aside id="bf-panel" class="bf-panel">
             <p>Selected: <span id="bf-selected-unit">none</span></p>
             <p>
-                <button id="bf-action-move" type="button" disabled>Move</button>
-                <button id="bf-action-attack" type="button" disabled>Attack</button>
-                <button id="bf-action-ability" type="button" disabled>Ability</button>
+                <button id="bf-action-move" type="button">Move</button>
+                <button id="bf-action-attack" type="button">Attack</button>
+                <button id="bf-action-ability" type="button">Ability</button>
             </p>
             <div id="bf-ability-options"></div>
         </aside>