fix: remove saved_models from git (trained at Docker build time)

.gitignore

@@ -27,8 +27,9 @@ plots/
 logs/
 data/*.csv
 
-# DO NOT IGNORE saved_models — .pkl/.pt files must be committed for HF Spaces
-# saved_models/   <-- this line must NOT exist here
+# saved_models — trained at Docker build time, too large for git
+# HF Spaces trains them fresh via Dockerfile RUN steps
+saved_models/
 
 # OS
 .DS_Store