Update requirements.txt

requirements.txt

@@ -1,16 +1,15 @@
-# FastAPI replaces Flask & Gunicorn for ZeroGPU compatibility
-fastapi>=0.100.0
-uvicorn>=0.23.0
-
-# Environment & External APIs
+flask>=3.0.0
+flask-cors>=4.0.0
 python-dotenv>=1.0.0
 google-generativeai>=0.3.0
+gunicorn>=21.2.0
 huggingface_hub>=0.23.0
 requests>=2.31.0
 
-# Hugging Face ZeroGPU SDK
-spaces
-
-# llama-cpp-python — Pre-built GPU (CUDA 12.1) wheel for ZeroGPU speed!
---extra-index-url https://abetlen.github.io/llama-cpp-python/whl/cu121
-llama-cpp-python==0.3.4
+# NOTE: llama-cpp-python is intentionally excluded here.
+# Compiling it from source exceeds HF Spaces free tier build timeout (~10 min).
+# The AdventureAgent automatically falls back to Gemini when llama-cpp-python
+# is not installed. Set GEMINI_API_KEY as a Space Secret and it works immediately.
+#
+# To enable GGUF support later, use a pre-built wheel:
+# llama-cpp-python==0.3.4 --extra-index-url https://abetlen.github.io/llama-cpp-python/whl/cpu