added inline script test for fundamental JavaScript debugging

pacman.html

@@ -63,7 +63,7 @@
     </div>
     
     <!-- Mobile Space Button -->
-    <button id="mobileSpaceBtn" class="mobile-space-btn" style="display: none;">SPACE</button>
+    <button id="mobileSpaceBtn" class="mobile-space-btn" style="display: block; background: #ff0; color: #000; font-size: 20px; padding: 20px;">SPACE BUTTON TEST</button>
     
     <!-- Debug Info -->
     <div id="debugInfo" class="debug-info">
@@ -73,6 +73,29 @@
         <button onclick="testMobileControls()" style="margin-top: 5px; padding: 2px 5px; font-size: 10px;">TEST</button>
     </div>
     
+    <!-- Inline Test Script -->
+    <script>
+        console.log('=== INLINE SCRIPT START ===');
+        alert('Inline script is running!');
+        
+        // Test button directly
+        var testBtn = document.getElementById('mobileSpaceBtn');
+        console.log('Test button found:', testBtn);
+        
+        if (testBtn) {
+            testBtn.onclick = function() {
+                console.log('BUTTON CLICKED!');
+                alert('BUTTON CLICKED!');
+                document.body.style.backgroundColor = '#ff0000';
+            };
+            console.log('Button click handler attached');
+        } else {
+            console.log('BUTTON NOT FOUND!');
+        }
+        
+        console.log('=== INLINE SCRIPT END ===');
+    </script>
+
     <script>
         const canvas = document.getElementById('gameCanvas');
         const ctx = canvas.getContext('2d');