🐛 Fix file upload in site

lib/screens/creators/sites/site_detail.dart

@@ -126,6 +126,8 @@ class FileUploadDialog extends HookConsumerWidget {
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
+    final formKey = useMemoized(() => GlobalKey<FormState>());
+    final pathController = useTextEditingController(text: '/');
     final isUploading = useState(false);
     final progressStates = useState<List<Map<String, dynamic>>>(
       selectedFiles
@@ -142,7 +144,7 @@ class FileUploadDialog extends HookConsumerWidget {
     );
 
     final uploadFile = useCallback((
-      String filePath,
+      String basePath,
       File file,
       int index,
     ) async {
@@ -154,7 +156,13 @@ class FileUploadDialog extends HookConsumerWidget {
           siteFilesNotifierProvider((siteId: site.id, path: null)).notifier,
         );
 
-        await siteFilesNotifier.uploadFile(file, filePath);
+        final fileName = file.path.split('/').last;
+        final uploadPath =
+            basePath.endsWith('/')
+                ? '$basePath$fileName'
+                : '$basePath/$fileName';
+
+        await siteFilesNotifier.uploadFile(file, uploadPath);
 
         progressStates.value[index]['status'] = 'completed';
         progressStates.value[index]['progress'] = 1.0;
@@ -168,6 +176,8 @@ class FileUploadDialog extends HookConsumerWidget {
 
     final uploadAllFiles = useCallback(
       () async {
+        if (!formKey.currentState!.validate()) return;
+
         isUploading.value = true;
 
         // Reset all progress states
@@ -181,9 +191,7 @@ class FileUploadDialog extends HookConsumerWidget {
         // Upload files sequentially (could be made parallel if needed)
         for (int i = 0; i < selectedFiles.length; i++) {
           final file = selectedFiles[i];
-          // For now, upload to root. In a real implementation, you'd get this from a form field
-          final uploadPath = '/${file.path.split('/').last}';
-          await uploadFile(uploadPath, file, i);
+          await uploadFile(pathController.text, file, i);
         }
 
         isUploading.value = false;
@@ -208,6 +216,8 @@ class FileUploadDialog extends HookConsumerWidget {
         selectedFiles,
         onUploadComplete,
         context,
+        formKey,
+        pathController,
       ],
     );
 
@@ -215,9 +225,40 @@ class FileUploadDialog extends HookConsumerWidget {
       titleText: 'Upload Files',
       child: SingleChildScrollView(
         padding: const EdgeInsets.all(20),
+        child: Form(
+          key: formKey,
           child: Column(
             crossAxisAlignment: CrossAxisAlignment.start,
             children: [
+              // Upload path field
+              TextFormField(
+                controller: pathController,
+                decoration: const InputDecoration(
+                  labelText: 'Upload Path',
+                  hintText: '/ (root) or /assets/images/',
+                  border: OutlineInputBorder(
+                    borderRadius: BorderRadius.all(Radius.circular(12)),
+                  ),
+                ),
+                validator: (value) {
+                  if (value == null || value.isEmpty) {
+                    return 'Please enter an upload path';
+                  }
+                  if (!value.startsWith('/') && value != '/') {
+                    return 'Path must start with /';
+                  }
+                  if (value.contains(' ')) {
+                    return 'Path cannot contain spaces';
+                  }
+                  if (value.contains('//')) {
+                    return 'Path cannot have consecutive slashes';
+                  }
+                  return null;
+                },
+                onTapOutside:
+                    (_) => FocusManager.instance.primaryFocus?.unfocus(),
+              ),
+              const Gap(20),
               Text(
                 'Ready to upload ${selectedFiles.length} file${selectedFiles.length == 1 ? '' : 's'}:',
                 style: Theme.of(context).textTheme.titleMedium,
@@ -323,6 +364,22 @@ class FileUploadDialog extends HookConsumerWidget {
                             ],
                           ),
                         ],
+                        // Show the final upload path when not uploading
+                        if (!isUploading.value &&
+                            progressState['status'] != 'uploading') ...[
+                          const Gap(8),
+                          Text(
+                            'Will upload to: ${pathController.text.endsWith('/') ? pathController.text : '${pathController.text}/'}$fileName',
+                            style: Theme.of(
+                              context,
+                            ).textTheme.bodySmall?.copyWith(
+                              color:
+                                  Theme.of(
+                                    context,
+                                  ).colorScheme.onSurfaceVariant,
+                            ),
+                          ),
+                        ],
                       ],
                     ),
                   ),
@@ -356,6 +413,7 @@ class FileUploadDialog extends HookConsumerWidget {
             ],
           ),
         ),
+      ),
     );
   }
 }
@@ -1133,7 +1191,7 @@ class _FileManagementSection extends HookConsumerWidget {
 
                 return ListView.builder(
                   shrinkWrap: true,
-                  physics: const NeverScrollableScrollPhysics(),
+                  padding: EdgeInsets.zero,
                   itemCount: files.length,
                   itemBuilder: (context, index) {
                     final file = files[index];
@@ -1177,8 +1235,12 @@ class _FileItem extends HookConsumerWidget {
     final theme = Theme.of(context);
 
     return Card(
-      margin: const EdgeInsets.only(bottom: 8),
+      color: Theme.of(context).colorScheme.surfaceContainerHigh,
+      elevation: 0,
       child: ListTile(
+        shape: const RoundedRectangleBorder(
+          borderRadius: BorderRadius.all(Radius.circular(8)),
+        ),
         leading: Icon(
           file.isDirectory ? Symbols.folder : Symbols.description,
           color: theme.colorScheme.primary,