Fix mypy type errors in reporting module

.dockerignore

@@ -0,0 +1,50 @@
+# Git
+.git
+.gitignore
+.gitea
+
+# Python
+__pycache__
+*.py[cod]
+*$py.class
+*.so
+.Python
+*.egg-info
+.eggs
+dist
+build
+.pytest_cache
+.mypy_cache
+.ruff_cache
+.coverage
+htmlcov
+
+# Tests
+tests/
+pytest.ini
+
+# Documentation
+docs/
+*.md
+!README.md
+
+# Development
+.vscode
+.idea
+*.swp
+*.swo
+*~
+
+# Environment
+.env
+.env.*
+venv
+.venv
+
+# Data (will be created fresh in container)
+data/
+*.db
+*.parquet
+
+# CI/CD
+.gitea/