Updated .gitattributes for JSON and Python files to support large file handling via Git LFS. Adjusted Multi-Agent-XAI-Demo to align with direct model loading and improved quantization handling for compatibility with DeepSeek-V3.

.gitattributes

@@ -33,3 +33,5 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
+*.json filter=lfs diff=lfs merge=lfs -text
+*.py filter=lfs diff=lfs merge=lfs -text