Adding the new rewrite

pyproject.toml

@@ -1,2 +1,42 @@
+[project]
+name = "apcupsd-client"
+version = "0.2.0"
+description = "FastAPI + Redis dashboard for monitoring multiple APC UPS devices via apcupsd NIS"
+requires-python = ">=3.12"
+readme = "README.md"
+license = { text = "MIT" }
+
 [tool.pytest.ini_options]
 pythonpath = ["."]
+testpaths = ["tests"]
+asyncio_mode = "auto"
+asyncio_default_fixture_loop_scope = "function"
+filterwarnings = [
+  "ignore::DeprecationWarning",
+]
+
+[tool.ruff]
+line-length = 100
+target-version = "py312"
+extend-exclude = [".venv", "app/static"]
+
+[tool.ruff.lint]
+select = ["E", "F", "W", "I", "B", "UP", "SIM"]
+ignore = [
+  "E501",   # handled by formatter
+  "B008",   # FastAPI dependency defaults pattern
+  "B904",   # raise without from in except (noise in handlers)
+  "SIM105", # try/except/pass vs contextlib.suppress (not always clearer)
+]
+
+[tool.ruff.lint.per-file-ignores]
+"tests/*" = ["B011", "B017", "F401", "F811"]
+
+[tool.coverage.run]
+source = ["app"]
+omit = ["app/static/*", "app/templates/*"]
+
+[tool.coverage.report]
+show_missing = true
+skip_covered = false
+fail_under = 65