feat: tighten agentic runtime handoffs and quality gates

pyproject.toml

@@ -11,8 +11,58 @@ dependencies = [
     "pyyaml>=6.0",
 ]
 
+[project.optional-dependencies]
+dev = [
+    "coverage[toml]>=7.6",
+    "pyright>=1.1.390",
+    "pytest-cov>=6.0",
+    "ruff>=0.8.0",
+]
+
 [project.scripts]
 cross-eval = "cross_eval.cli:main"
 
 [tool.setuptools.packages.find]
 include = ["cross_eval*"]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+addopts = "-q"
+
+[tool.ruff]
+target-version = "py39"
+extend-exclude = [".cross-eval"]
+
+[tool.ruff.lint]
+select = ["F"]
+
+[tool.pyright]
+include = ["cross_eval", "tests"]
+exclude = [".cross-eval"]
+typeCheckingMode = "basic"
+pythonVersion = "3.9"
+reportMissingImports = true
+reportMissingTypeStubs = false
+
+[tool.coverage.run]
+branch = true
+source = ["cross_eval"]
+omit = [
+    "cross_eval/config.py",
+    "cross_eval/discovery.py",
+    "cross_eval/cli.py",
+    "cross_eval/demo.py",
+    "cross_eval/doctor.py",
+    "cross_eval/prompts.py",
+    "cross_eval/report.py",
+]
+
+[tool.coverage.report]
+skip_empty = true
+show_missing = true
+fail_under = 90
+exclude_lines = [
+    "pragma: no cover",
+    "if TYPE_CHECKING:",
+    "raise NotImplementedError",
+]