Consolidate to single pyproject.toml at root

- Merge MCP deps (mcp, fastmcp) into root pyproject.toml
- Add dev deps (pytest, pytest-asyncio, black, ruff, mypy)
- Remove duplicate src/pyproject.toml
- Remove test __init__.py files that shadowed src/core

Author: Darktex

pyproject.toml

@@ -9,21 +9,27 @@ description = "A unified framework for reinforcement learning environments"
 readme = "README.md"
 requires-python = ">=3.10"
 dependencies = [
-    # Core shared dependencies - minimal set required for all environments
-    # Heavy dependencies (torch, numpy, smolagents, etc.) should be in
-    # individual environment pyproject.toml files
     "fastapi>=0.104.0",
     "pydantic>=2.0.0",
-    "uvicorn>=0.24.0",
+    "uvicorn[standard]>=0.24.0",
     "requests>=2.25.0",
-    # CLI dependencies
-    "typer>=0.9.0",
+    "typer>=0.12.0",
     "rich>=13.0.0",
-    "pyyaml>=6.0",
-    "huggingface_hub>=0.20.0",
-    "openai>=2.7.2",
-    "tomli>=2.3.0",
-    "tomli-w>=1.2.0"
+    "pyyaml>=6.0.0",
+    "huggingface_hub>=0.24.0",
+    "tomli>=2.0.1",
+    "tomli-w>=1.0.0",
+    "mcp>=1.0.0",
+    "fastmcp>=0.1.0",
+]
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=7.0.0",
+    "pytest-asyncio>=0.21.0",
+    "black>=23.0.0",
+    "ruff>=0.1.0",
+    "mypy>=1.0.0",
 ]
 
 [project.scripts]