Update requirements.txt

requirements.txt

@@ -1,8 +1,10 @@
 # core UI / runtime
 gradio
-tooluniverse
-torch>=2.2.0           # or the CUDA‑matched wheel for your GPU
-vllm>=0.4.2
+vllm‑cu121>=0.7.4   # or the CUDA version that matches the HF Space image
+torch==2.2.*+cu121  # pre‑built CUDA wheel
+txagent>=0.1.2
+tooluniverse>=0.4.1
+
 transformers>=4.40.0
 sentence-transformers>=2.6.0
 accelerate>=0.28.0