feat: add stage 0 foundation

backend/pyproject.toml

@@ -0,0 +1,52 @@
+[project]
+name = "ai-ticket-platform-backend"
+version = "0.1.0"
+description = "Backend for AI-native technical support ticket platform"
+requires-python = ">=3.12"
+dependencies = [
+  "Django>=5.0,<5.3",
+  "django-ninja>=1.3,<2.0",
+  "psycopg[binary]>=3.2,<4.0",
+  "celery>=5.4,<6.0",
+  "redis>=5.0,<6.0",
+  "django-cors-headers>=4.4,<5.0",
+  "pydantic>=2.8,<3.0",
+  "python-dotenv>=1.0,<2.0",
+]
+
+[build-system]
+requires = ["setuptools>=69"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools.packages.find]
+include = ["apps*", "config*"]
+
+[project.optional-dependencies]
+dev = [
+  "pytest>=8.2,<9.0",
+  "pytest-django>=4.8,<5.0",
+  "ruff>=0.6,<1.0",
+  "mypy>=1.11,<2.0",
+  "django-stubs[compatible-mypy]>=5.0,<6.0",
+]
+
+[tool.pytest.ini_options]
+DJANGO_SETTINGS_MODULE = "config.settings.test"
+python_files = ["test_*.py", "*_test.py"]
+testpaths = ["apps", "tests"]
+
+[tool.ruff]
+line-length = 100
+target-version = "py312"
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "UP", "B"]
+
+[tool.mypy]
+python_version = "3.12"
+plugins = ["mypy_django_plugin.main"]
+ignore_missing_imports = true
+strict_optional = true
+
+[tool.django-stubs]
+django_settings_module = "config.settings.test"