Make DocForge quality gates reproducible

pyproject.toml

@@ -12,6 +12,9 @@ license = { text = "MIT" }
 authors = [{ name = "Worldforge contributors" }]
 dependencies = ["markdown-it-py>=4.2,<5", "mcp>=1.28,<2"]
 
+[dependency-groups]
+dev = ["pytest>=9.1,<10", "ruff>=0.15,<1"]
+
 [project.scripts]
 docforge = "docforge.cli:main"
 docforge-mcp = "docforge.mcp_server:main"
@@ -33,3 +36,6 @@ typeCheckingMode = "strict"
 include = ["src", "tools"]
 venvPath = "."
 venv = ".venv"
+
+[tool.pytest.ini_options]
+filterwarnings = ["error"]