fix: remove console.log statements from gallery and auth pages

- Remove debug logging from GalleryView component
- Remove console.error statements from auth contexts
- Clean up image loading error logs
- Replace console statements with comments for production security

No sensitive information is now logged to console in production.

frontend/src/components/common/AuthenticatedImage.tsx

@@ -46,7 +46,7 @@ export const AuthenticatedImage: React.FC<AuthenticatedImageProps> = ({
     }
 
     if (!token) {
-      console.warn('No auth token found for image:', src);
+      // No auth token - use fallback
       setImageSrc(fallbackSrc || '');
       setIsLoading(false);
       return;
@@ -69,7 +69,7 @@ export const AuthenticatedImage: React.FC<AuthenticatedImageProps> = ({
           ? buildResourceUrl(imageUrl) 
           : imageUrl;
         
-        // console.log('Fetching authenticated image:', fullImageUrl);
+        // Fetch authenticated image
         const response = await fetch(fullImageUrl, {
           headers: {
             'Authorization': `Bearer ${token}`
@@ -85,7 +85,7 @@ export const AuthenticatedImage: React.FC<AuthenticatedImageProps> = ({
         setImageSrc(objectUrl);
         setIsLoading(false);
       } catch (err) {
-        console.error('Failed to load image:', src, err);
+        // Image loading failed - use fallback
         setError(true);
         setImageSrc(fallbackSrc || '');
         setIsLoading(false);