Improve look of SQL explorer page, and improve validation of exercise selection in workouts

utils.py

@@ -258,20 +258,6 @@ def prepare_svg_plot_data(results, columns, title):
          plot_data['plot_type'] = 'table' # Fallback if essential data is missing
          return plot_data
 
-def get_client_ip():
-    """Get real client IP address, checking proxy headers first"""
-    # Check common proxy headers in order of preference
-    if request.headers.get('X-Forwarded-For'):
-        # X-Forwarded-For can contain multiple IPs, get the first (original client)
-        return request.headers.get('X-Forwarded-For').split(',')[0].strip()
-    elif request.headers.get('X-Real-IP'):
-        return request.headers.get('X-Real-IP')
-    elif request.headers.get('CF-Connecting-IP'):  # Cloudflare
-        return request.headers.get('CF-Connecting-IP')
-    else:
-        # Fallback to direct connection IP
-        return request.remote_addr
-
     # Calculate ranges (handle datetime separately)
     if x_type == 'datetime':
         valid_dates = [d for d in x_values_raw if d is not None]
@@ -360,4 +346,18 @@ def get_client_ip():
         plot_data['bar_width'] = draw_width / len(points) * 0.8 if points else 10
 
 
-    return plot_data
+    return plot_data
+
+def get_client_ip():
+    """Get real client IP address, checking proxy headers first"""
+    # Check common proxy headers in order of preference
+    if request.headers.get('X-Forwarded-For'):
+        # X-Forwarded-For can contain multiple IPs, get the first (original client)
+        return request.headers.get('X-Forwarded-For').split(',')[0].strip()
+    elif request.headers.get('X-Real-IP'):
+        return request.headers.get('X-Real-IP')
+    elif request.headers.get('CF-Connecting-IP'):  # Cloudflare
+        return request.headers.get('CF-Connecting-IP')
+    else:
+        # Fallback to direct connection IP
+        return request.remote_addr