Fix copy token button to use execCommand for reliable copying

templates/api_tokens.html

@@ -200,28 +200,23 @@
             const copyBtn = document.querySelector('#tokenModal .copy-btn');
             const originalText = copyBtn.textContent;
 
-            navigator.clipboard.writeText(tokenText.textContent).then(function() {
-                copyBtn.textContent = 'Copied!';
-                copyBtn.style.background = '#10b981';
-                setTimeout(function() {
-                    copyBtn.textContent = originalText;
-                    copyBtn.style.background = '';
-                }, 2000);
-            }, function(err) {
-                // Fallback for older browsers
+            // Use execCommand for reliable copying
             const textArea = document.createElement('textarea');
-                textArea.value = tokenText.textContent;
+            textArea.value = tokenText.textContent.trim();
             document.body.appendChild(textArea);
             textArea.select();
+            try {
                 document.execCommand('copy');
-                document.body.removeChild(textArea);
                 copyBtn.textContent = 'Copied!';
                 copyBtn.style.background = '#10b981';
                 setTimeout(function() {
                     copyBtn.textContent = originalText;
                     copyBtn.style.background = '';
                 }, 2000);
-            });
+            } catch (err) {
+                alert('Failed to copy token. Please select and copy manually.');
+            }
+            document.body.removeChild(textArea);
         }
 
         // Close modal when clicking outside