Fix HF Space runtime error: added gradio dependency and fixed port binding for Hugging Face compatibility

Dockerfile

@@ -55,6 +55,6 @@ ENV PYTHONUNBUFFERED=1
 ENV ENABLE_WEB_INTERFACE=true
 
 HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
-    CMD curl -f http://localhost:8000/health || exit 1
+    CMD curl -f http://localhost:${PORT:-8000}/health || exit 1
 
-CMD ["sh", "-c", "cd /app/env && uvicorn server.app:app --host 0.0.0.0 --port 8000"]
+CMD ["sh", "-c", "cd /app/env && uvicorn server.app:app --host 0.0.0.0 --port ${PORT:-8000}"]

pyproject.toml

@@ -15,7 +15,7 @@ authors = [
 keywords = ["openenv", "reinforcement-learning", "multi-agent", "fairness", "disaster-recovery", "rlvr"]
 
 dependencies = [
-    "openenv-core[core]>=0.2.3",
+    "openenv-core[core,web]>=0.2.3",
     "fastapi>=0.104.0",
     "uvicorn>=0.24.0",
     "pydantic>=2.0.0",
@@ -23,6 +23,7 @@ dependencies = [
     "structlog>=23.0.0",
     "websocket-client>=1.6.0",
     "requests>=2.31.0",
+    "gradio>=4.0.0",
 ]
 
 [project.optional-dependencies]