ui fixes

ANNOTATE/web/templates/annotation_dashboard.html

@@ -101,6 +101,23 @@
         if (typeof checkActiveTraining === 'function') {
             checkActiveTraining();
         }
+        
+        // Keyboard shortcuts for chart maximization
+        document.addEventListener('keydown', function(e) {
+            // ESC key to exit maximized mode
+            if (e.key === 'Escape') {
+                const chartArea = document.querySelector('.chart-maximized');
+                if (chartArea) {
+                    document.getElementById('maximize-btn').click();
+                }
+            }
+            
+            // F key to toggle maximize (when not typing in input)
+            if (e.key === 'f' && !e.ctrlKey && !e.metaKey && 
+                !['INPUT', 'TEXTAREA', 'SELECT'].includes(document.activeElement.tagName)) {
+                document.getElementById('maximize-btn').click();
+            }
+        });
 
         // Setup keyboard shortcuts
         setupKeyboardShortcuts();