Add einops and core runtime dependencies for native demo

requirements.txt

@@ -1,9 +1,24 @@
 # Runtime dependencies for native Kimodo demo in HF Space
-# Keep this minimal to reduce build time while enabling native UI startup.
 
+# UI shell
 gradio==6.14.0
 
-# Native timeline/viser UI (required by kimodo.demo.app)
+# Core model/runtime dependencies
+torch>=2.0.0
+torchvision>=0.15.0
+transformers==5.1.0
+numpy>=1.23
+scipy>=1.10
+einops>=0.7
+hydra-core>=1.3
+omegaconf>=2.3
+pydantic>=2.0
+peft>=0.18
+filelock>=3.20.3
+packaging>=21.0
+huggingface-hub>=0.20.0
+
+# Native timeline/viser UI
 viser @ git+https://github.com/nv-tlabs/kimodo-viser.git
 
 # Visualization helpers used by the demo stack