- ns: Stubbed IsQualificationTransitionSupportedByProcessId (2520) to always return true.
- acc: added the missing SaveDataThumbnail commands:
  * ClearSaveDataThumbnail (111) → stubbed, returns success.
  * LoadSaveDataThumbnail (112) → stubbed, returns success with size=0.
  * GetSaveDataThumbnailExistence (113) → stubbed, returns false.

This allows titles like Borderlands GOTY to progress past save-related errors.

@@ -1111,0 +1118,4 @@
+void Module::Interface::LoadSaveDataThumbnail(HLERequestContext& ctx) {
+    // TODO: Grab thumbnail from Nand so this can be unstubbed
+    // For now, pretend a thumbnail exists and return dummy data
+    std::vector<u8> dummy_thumbnail(THUMBNAIL_SIZE, 0);