deploy: Space overrides -- CUDA requirements.txt and app_space.py entry point

README.md

@@ -1,3 +1,12 @@
+---
+title: ControlAI Agent
+colorFrom: blue
+colorTo: indigo
+sdk: gradio
+app_file: app_space.py
+pinned: false
+---
+
 # ControlAI: Open-Source Safety-Critical AI Agent for Control Systems Engineering
 
 [![Hugging Face Space](https://img.shields.io/badge/%F0%9F%A4%97%20Hugging%20Face-Space-blue)](https://huggingface.co/spaces/atakankahya/ControlAI-Agent)

requirements.txt

@@ -1,13 +1,22 @@
-# ControlAI runtime dependencies -- local, Apple Silicon.
+# Hugging Face Space dependencies -- see app_space.py.
 #
-# Inference is MLX only. The previous file also carried torch, transformers,
-# accelerate, peft, llama-cpp-python, gradio and spaces to support a Hugging
-# Face Spaces deployment and three alternative backends; none of that is used
-# any more. transformers is still pulled in indirectly by mlx-lm for tokenizer
-# loading, so it is not listed here.
+# The Space is a Gradio app on ZeroGPU (Linux/NVIDIA), where MLX does not exist,
+# so inference goes through controlai_agent/engine_torch.py. Do NOT install this
+# locally: requirements.txt on `main` is the Apple Silicon MLX runtime.
 
-mlx-lm>=0.31.0
-huggingface-hub>=0.23.0
+# Unconstrained on purpose. The platform appends its own gradio, spaces, uvicorn
+# and a `torch<=2.11.0` ceiling to this file, and one extra bound of ours can
+# make the resolve impossible -- `transformers<4.56` did exactly that, because
+# gradio 6 needs huggingface-hub>=1.16 and every transformers<4.56 needs <1.0.
+#
+# Do not pin torch down to CUDA 12 either: ZeroGPU is backed by Blackwell
+# (sm_120), which needs CUDA 12.8+, so an older wheel has no kernels for it.
+torch>=2.4.0
+transformers>=4.51.0
+accelerate>=0.30.0
+
+# gradio, spaces and huggingface-hub are injected by the platform at build time;
+# listing them here only adds constraints to conflict with it.
 
 # Deterministic numerics -- every number in an answer comes from these.
 numpy>=1.24.0
@@ -21,9 +30,3 @@ jsonschema>=4.20.0
 rank-bm25>=0.2.2
 pypdf>=3.17.0
 pymupdf>=1.23.0
-
-# Web console.
-fastapi>=0.110.0
-uvicorn>=0.28.0
-python-multipart>=0.0.9
-pydantic>=2.0.0