Migrate Logo.png from Git LFS to HuggingFace XET storage

- Update .gitattributes to use XET filter for PNG files
- Add GitHub raw URL fallback for logo loading in report_cards.py
- Enable compatibility with HuggingFace Spaces binary file requirements

.gitattributes

@@ -33,4 +33,4 @@ 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
-*.png filter=lfs diff=lfs merge=lfs -text
+*.png filter=xet diff=exif merge=binary -text

components/report_cards.py

@@ -13,10 +13,18 @@ from pathlib import Path
 def _get_logo_base64():
     """Load and encode TraceMind logo as base64"""
     try:
+        # Try local file first (for development and GitHub)
         logo_path = Path(__file__).parent.parent / "Logo.png"
         if logo_path.exists():
             with open(logo_path, "rb") as f:
                 return base64.b64encode(f.read()).decode()
+
+        # Fallback: fetch from GitHub raw URL (for HuggingFace Spaces)
+        import urllib.request
+        github_logo_url = "https://raw.githubusercontent.com/Mandark-droid/TraceMind-AI/main/Logo.png"
+        with urllib.request.urlopen(github_logo_url, timeout=5) as response:
+            return base64.b64encode(response.read()).decode()
+
     except Exception as e:
         print(f"Warning: Could not load logo: {e}")
     return None