Implement NetKingdom identity shell for coulomb.social (CSOC-WP-0002)

Django scaffold aligned with the business delivery lane: tenant-keyed
Member model without passwords, identity app as sole OIDC/session
boundary, dev-claims login, authenticated /app/ shell, ADR-0001, and
tests. T01/T02/T05/T06 done; OIDC registration, real user-engine HTTP,
flex-auth, and packaging remain open.

pyproject.toml

@@ -0,0 +1,38 @@
+[project]
+name = "coulomb-social"
+version = "0.1.0"
+description = "coulomb.social reimplementation — NetKingdom identity and co-creation platform"
+requires-python = ">=3.12"
+dependencies = [
+    "django>=5.2",
+    "psycopg[binary]>=3.2",
+    "whitenoise>=6.7",
+    "python-decouple>=3.8",
+    "dj-database-url>=2.1",
+    "gunicorn>=22.0",
+    "authlib>=1.3",
+    "httpx>=0.27",
+]
+
+[dependency-groups]
+dev = [
+    "pytest>=8.0",
+    "pytest-django>=4.8",
+    "pytest-cov>=5.0",
+    "ruff>=0.4",
+]
+
+[tool.pytest.ini_options]
+DJANGO_SETTINGS_MODULE = "coulomb_social.settings.test"
+python_files = ["test_*.py", "tests.py"]
+python_classes = ["Test*"]
+python_functions = ["test_*"]
+addopts = "--tb=short -q"
+testpaths = ["tests", "coulomb_social"]
+
+[tool.ruff]
+line-length = 100
+target-version = "py312"
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "UP"]