Did some things, made more improvements.

Signed-off-by: Cliff Hill <xlorep@darkhelm.org>

backend/pyproject.toml

@@ -2,6 +2,19 @@
 build-backend = "hatchling.build"
 requires = ["hatchling"]
 
+[dependency-groups]
+dev = [
+  "ruff>=0.6.0",
+  "pyright>=1.1.380",
+  "darglint>=1.8.1",
+  "pytest>=7.4.0",
+  "pytest-asyncio>=0.21.0",
+  "pytest-cov>=4.1.0",
+  "typeguard>=4.1.0",
+  "httpx>=0.25.0",  # For testing async HTTP calls
+  "pytest-mock>=3.12.0"
+]
+
 [project]
 dependencies = [
   "fastapi>=0.104.0",
@@ -21,65 +34,73 @@ dev = [
   "darglint>=1.8.1",
   "pytest>=7.4.0",
   "pytest-asyncio>=0.21.0",
-  "pytest-cov>=4.1.0"
+  "pytest-cov>=4.1.0",
+  "typeguard>=4.1.0",
+  "httpx>=0.25.0",  # For testing async HTTP calls
+  "pytest-mock>=3.12.0"
 ]
 
+[tool.coverage]
+
+[tool.coverage.report]
+exclude_lines = [
+  "pragma: no cover",
+  "def __repr__",
+  "raise AssertionError",
+  "raise NotImplementedError",
+  "if __name__ == .__main__.:",
+  "if TYPE_CHECKING:"
+]
+
+[tool.coverage.run]
+omit = [
+  "*/tests/*",
+  "*/venv/*",
+  "*/.venv/*",
+  "*/node_modules/*",
+  "*/migrations/*"
+]
+source = ["src"]
+
+# Darglint configuration for backend
+[tool.darglint]
+docstring_style = "google"
+strictness = "short"
+
+[tool.hatch.build.targets.wheel]
+packages = ["src/backend"]
+
+[tool.pytest.ini_options]
+addopts = [
+  "--strict-markers",
+  "--strict-config",
+  "--verbose",
+  "--cov=backend",
+  "--cov-report=term-missing:skip-covered",
+  "--cov-report=html",
+  "--cov-report=xml",
+  "--typeguard-packages=backend"
+]
+markers = [
+  "slow: marks tests as slow (deselect with '-m \"not slow\"')",
+  "integration: marks tests as integration tests"
+]
+python_classes = ["Test*"]
+python_files = ["test_*.py", "*_test.py"]
+python_functions = ["test_*"]
+testpaths = ["tests"]
+
 [tool.ruff]
-# Exclude common directories
-exclude = [
-  ".bzr",
-  ".direnv",
-  ".eggs",
-  ".git",
-  ".git-rewrite",
-  ".hg",
-  ".ipynb_checkpoints",
-  ".mypy_cache",
-  ".nox",
-  ".pants.d",
-  ".pyenv",
-  ".pytest_cache",
-  ".pytype",
-  ".ruff_cache",
-  ".svn",
-  ".tox",
-  ".venv",
-  ".vscode",
-  "__pypackages__",
-  "_build",
-  "buck-out",
-  "build",
-  "dist",
-  "node_modules",
-  "site-packages",
-  "venv"
-]
-# Set the maximum line length
 line-length = 88
+src = ["src"]
 target-version = "py313"
 
-[tool.ruff.format]
-# Like Black, indent with spaces, rather than tabs.
-indent-style = "space"
-# Like Black, automatically detect the appropriate line ending.
-line-ending = "auto"
-# Like Black, use double quotes for strings.
-quote-style = "double"
-# Like Black, respect magic trailing commas.
-skip-magic-trailing-comma = false
-
 [tool.ruff.lint]
-# Allow unused variables when underscore-prefixed.
-dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"
-# Allow fix for all enabled rules (when `--fix`) is provided.
-fixable = ["ALL"]
-# Ignore specific rules
 ignore = [
-  "E501",  # line too long (handled by line-length setting)
+  "E501",  # line too long, handled by black
   "B008",  # do not perform function calls in argument defaults
-  "RUF012"  # mutable class attributes should be annotated with typing.ClassVar
+  "B903"  # Use `collections.abc.MutableMapping` instead of `typing.MutableMapping`
 ]
-# Enable specific rule sets
 select = [
   "E",  # pycodestyle errors
   "W",  # pycodestyle warnings
@@ -90,15 +111,8 @@ select = [
   "UP",  # pyupgrade
   "ARG",  # flake8-unused-arguments
   "SIM",  # flake8-simplify
-  "TCH",  # flake8-type-checking
-  "PTH",  # flake8-use-pathlib
-  "RUF"  # ruff-specific rules
+  "TCH"  # flake8-type-checking
 ]
-unfixable = []
-
-[tool.ruff.lint.isort]
-known-first-party = ["app"]
 
 [tool.ruff.lint.per-file-ignores]
-# Tests can use magic values, assertions, and relative imports
-"tests/**/*" = ["PLR2004", "S101", "TID252"]
+"tests/*" = ["ARG", "S101"]