switch processing class not restoring params

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

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Change Log for SD.Next
 
-## Update for 2025-01-06
+## Update for 2025-01-07
 
 - **Models**
   - [Qwen-Image-2512](https://huggingface.co/Qwen/Qwen-Image-2512)  
@@ -22,6 +22,7 @@
   - sdnq improvements  
   - startup sequence optimizations  
   - rocm/hip/hipblast detection and initialization improvements  
+  - zluda detection and initialization improvements  
   - new env variable `SD_VAE_DEFAULT` to force default vae processing  
 - **Fixes**
   - extension tab: update checker, date handling, formatting etc., thanks @awsr  
@@ -32,6 +33,8 @@
   - hip device name detection  
   - force align width/height to vae scale factor  
   - meituan-longca-image-edit missing image param  
+  - mobile auto-collapse when using side panel, thanks @awsr  
+  - switch processing class not restoring params  
 
 ## Update for 2025-12-26
 

TODO.md

@@ -47,6 +47,7 @@
 
 TODO: *Prioritize*!
 
+- [LTXVideo 0.98 LongMulti](https://github.com/huggingface/diffusers/pull/12614)
 - [Cosmos-Predict-2.5](https://huggingface.co/nvidia/Cosmos-Predict2.5-2B)
 - [NewBie Image Exp0.1](https://github.com/huggingface/diffusers/pull/12803)
 - [Sana-I2V](https://github.com/huggingface/diffusers/pull/12634#issuecomment-3540534268)

modules/processing_class.py

@@ -592,13 +592,18 @@ class StableDiffusionProcessingControl(StableDiffusionProcessingImg2Img):
 
 
 def switch_class(p: StableDiffusionProcessing, new_class: type, dct: dict = None):
-    signature = inspect.signature(type(new_class).__init__, follow_wrapped=True)
-    possible = list(signature.parameters)
     kwargs = {}
+    signature = inspect.signature(StableDiffusionProcessing.__init__, follow_wrapped=True) # base class
+    possible = list(signature.parameters)
     for k, v in p.__dict__.copy().items():
         if k in possible:
             kwargs[k] = v
-    if dct is not None:
+    signature = inspect.signature(type(new_class).__init__, follow_wrapped=True) # target class
+    possible = list(signature.parameters)
+    for k, v in p.__dict__.copy().items():
+        if k in possible:
+            kwargs[k] = v
+    if dct is not None: # overrides
         for k, v in dct.items():
             if k in possible:
                 kwargs[k] = v