feat: add slug-only dashboard profile filter and unify backend imports

backend/pyproject.toml

@@ -1,3 +1,19 @@
+[build-system]
+requires = ["setuptools>=69", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "ss-tools-backend"
+version = "0.0.0"
+requires-python = ">=3.13"
+
+[tool.setuptools]
+include-package-data = true
+
+[tool.setuptools.packages.find]
+where = ["."]
+include = ["src*"]
+
 [tool.pytest.ini_options]
 pythonpath = ["."]
 importmode = "importlib"