add reference models to gallery

Signed-off-by: Vladimir Mandic <mandic00@live.com>

CHANGELOG.md

@@ -1,8 +1,8 @@
 # Change Log for SD.Next
 
-## Update for 2025-09-08
+## Update for 2025-09-10
 
-### Highlights for 2025-09-08
+### Highlights for 2025-09-10
 
 *What's new*? Big one is that we're (finally) switching the default UI to **ModernUI**!  
 StandardUI is still available and can be selected in settings, but ModernUI is now the default for new installs  
@@ -12,7 +12,7 @@ Also, there are quite a few offloading improvements and many quality-of-life cha
 
 [ReadMe](https://github.com/vladmandic/automatic/blob/master/README.md) | [ChangeLog](https://github.com/vladmandic/automatic/blob/master/CHANGELOG.md) | [Docs](https://vladmandic.github.io/sdnext-docs/) | [WiKi](https://github.com/vladmandic/automatic/wiki) | [Discord](https://discord.com/invite/sd-next-federal-batch-inspectors-1101998836328697867)
 
-### Details for 2025-09-08
+### Details for 2025-09-10
 
 - **Models**
   - **Chroma** final versions: [Chroma1-HD](https://huggingface.co/lodestones/Chroma1-HD), [Chroma1-Base](https://huggingface.co/lodestones/Chroma1-Base) and [Chroma1-Flash](https://huggingface.co/lodestones/Chroma1-Flash)  
@@ -50,6 +50,7 @@ Also, there are quite a few offloading improvements and many quality-of-life cha
     *example*: if panel width is less than specified value, layout switches to verical  
   - configurable grid images size  
     in *settings -> user interface -> grid image size*  
+  - gallery now includes reference model images  
 - **Offloading**
   - enable offload during pre-forward by default  
   - improve offloading of models with multiple dits  

modules/api/gallery.py

@@ -128,8 +128,10 @@ def register_api(app: FastAPI): # register api
 
     # @app.get('/sdapi/v1/browser/folders', response_model=List[str])
     def get_folders():
+        reference_dir = os.path.join('models', 'Reference')
         folders = [shared.opts.data.get(f, '') for f in OPTS_FOLDERS]
         folders += list(shared.opts.browser_folders.split(','))
+        folders += [reference_dir]
         folders = [f.strip() for f in folders if f != '']
         folders = list(dict.fromkeys(folders)) # filter duplicates
         folders = [f for f in folders if os.path.isdir(f)]

modules/ui_common.py

@@ -69,9 +69,13 @@ def delete_files(js_data, files, all_files, index):
     deleted = []
     all_files = [f.split('/file=')[1] if 'file=' in f else f for f in all_files] if isinstance(all_files, list) else []
     all_files = [os.path.normpath(f) for f in all_files]
+    reference_dir = os.path.join('models', 'Reference')
     for _image_index, filedata in enumerate(files, start_index):
         try:
             fn = os.path.normpath(filedata['name'])
+            if reference_dir in fn:
+                shared.log.warning(f'Delete: file="{fn}" not allowed')
+                continue
             if os.path.exists(fn) and os.path.isfile(fn):
                 deleted.append(fn)
                 os.remove(fn)