feat: refactor project

backend/pyproject.toml

@@ -10,3 +10,34 @@ dependencies = [
     "psycopg2-binary==2.9.9",
     "pydantic==2.9.2",
 ]
+
+[dependency-groups]
+dev = [
+    "pytest>=8.0",
+    "httpx>=0.27",
+    "ruff>=0.8",
+    "sqlfluff>=3.0",
+]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+pythonpath = ["."]
+
+[tool.ruff]
+target-version = "py312"
+line-length = 100
+
+[tool.ruff.lint]
+select = [
+    "E",   # pycodestyle errors
+    "W",   # pycodestyle warnings
+    "F",   # pyflakes
+    "I",   # isort
+    "B",   # flake8-bugbear
+    "UP",  # pyupgrade
+]
+ignore = [
+    "B008",  # Depends() in function defaults is idiomatic FastAPI
+]
+
+