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+# Development and Testing Dependencies
+# These packages are only needed for development, testing, and code quality checks
+# Install with: pip install -r requirements-dev.txt
+
+# Code Quality & Linting
+ruff>=0.1.0              # Fast Python linter and formatter (replaces flake8, black, isort)
+mypy>=1.7.0              # Static type checker
+bandit>=1.7.5            # Security vulnerability scanner
+pandas-stubs>=2.0.0      # Type stubs for pandas
+types-requests>=2.31.0   # Type stubs for requests
+
+# Testing
+pytest>=7.4.0            # Testing framework
+pytest-cov>=4.1.0        # Coverage plugin for pytest
+pytest-asyncio>=0.21.0   # Async test support (already in main requirements)
+testcontainers[postgres,minio,mongodb]>=4.15.0 # PostgreSQL, MinIO and MongoDB containers for E2E tests
+                         # Floor is the `testcontainers.community.*` namespace: the flat
+                         # `testcontainers.minio` / `.postgres` / `.mongodb` paths the e2e suite used
+                         # to import are deprecated shims that warn on import.
+
+# Development Tools
+ipython>=8.12.0          # Enhanced Python shell
+ipdb>=0.13.13            # IPython debugger
+ipykernel==6.30.1        # IPython kernel for Jupyter notebooks
+python-dotenv>=1.0.0     # .env loading for scripts/import_model_manual_run.py