maybe good

.gitignore

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+# Delphi Consulting Group Database System - .gitignore
+
+# ===== SECURITY - CRITICAL TO IGNORE =====
+# Environment variables with secrets
+.env
+.env.local
+.env.production
+.env.development
+.env.test
+
+# Database files (contain sensitive data)
+*.db
+*.sqlite
+*.sqlite3
+delphi_database.db
+
+# Backup files (contain sensitive data)
+backups/
+*.backup
+*.bak
+*.dump
+
+# Upload files (may contain sensitive documents)
+uploads/
+user-uploads/
+
+# SSL certificates and keys
+ssl/
+*.pem
+*.key
+*.crt
+*.cert
+nginx/ssl/
+
+# ===== LEGACY PASCAL FILES =====
+*.SC
+*.SC2
+*.LIB
+
+# ===== PYTHON =====
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+Pipfile.lock
+
+# PEP 582
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# ===== DOCKER =====
+# Docker volumes data
+data/
+docker-data/
+postgres-data/
+mysql-data/
+
+# Docker override files
+docker-compose.override.yml
+docker-compose.local.yml
+
+# ===== IDEs & EDITORS =====
+# Visual Studio Code
+.vscode/
+*.code-workspace
+
+# PyCharm
+.idea/
+
+# Sublime Text
+*.sublime-workspace
+*.sublime-project
+
+# Vim
+*.swp
+*.swo
+*~
+
+# Emacs
+*~
+\#*\#
+/.emacs.desktop
+/.emacs.desktop.lock
+*.elc
+auto-save-list
+tramp
+.\#*
+
+# Nano
+*.save
+
+# ===== OPERATING SYSTEMS =====
+# macOS
+.DS_Store
+.AppleDouble
+.LSOverride
+Icon?
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# Windows
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+*.stackdump
+[Dd]esktop.ini
+$RECYCLE.BIN/
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+*.lnk
+
+# Linux
+*~
+.fuse_hidden*
+.directory
+.Trash-*
+.nfs*
+
+# ===== LOGS & TEMPORARY FILES =====
+# Log files
+*.log
+logs/
+log/
+*.log.*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Coverage directory used by tools like istanbul
+coverage/
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Temporary folders
+tmp/
+temp/
+.tmp/
+.temp/
+
+# Cache directories
+.cache/
+.parcel-cache/
+
+# ===== NODE.JS (if using any frontend tools) =====
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# ===== STATIC ASSETS & MEDIA =====
+# Compiled static files (if generated)
+staticfiles/
+static-collected/
+
+# Media files (user uploads)
+media/
+user-media/
+
+# ===== DEVELOPMENT & DEBUGGING =====
+# Profiling data
+.prof
+
+# Debug dumps
+*.dmp
+
+# Core dumps
+core
+
+# Memory dumps
+heapdump.*
+
+# ===== DEPLOYMENT & CI/CD =====
+# Terraform
+*.tfstate
+*.tfstate.*
+.terraform/
+.terraform.lock.hcl
+
+# Ansible
+*.retry
+
+# Vagrant
+.vagrant/
+
+# Local deployment scripts (may contain secrets)
+deploy-local.sh
+deploy-prod.sh
+*-local.*
+
+# ===== BACKUP & ARCHIVE FILES =====
+# Archive files
+*.tar
+*.tar.gz
+*.tgz
+*.zip
+*.rar
+*.7z
+
+# Database exports (may contain sensitive data)
+exports/
+*.sql
+*.csv.bak
+
+# ===== DOCUMENTATION BUILD =====
+# Sphinx documentation
+docs/_build/
+
+# MkDocs
+site/
+
+# ===== MISC =====
+# Thumbnails and previews  
+*.thumb
+*.preview
+
+# Lock files (various tools)
+*.lock
+.lock
+
+# Temporary editor files
+*.tmp
+*.temp
+*.orig
+
+# OS generated files
+.fseventsd
+.Spotlight-V100
+.Trashes
+
+# ===== PROJECT SPECIFIC =====
+# Local configuration overrides
+config.local.py
+settings.local.py
+
+# CSV files with actual data (template headers are OK)
+# Keep empty header-only CSV files for reference
+# Exclude any CSV files with real customer/financial data
+*.csv.data
+*_data.csv
+*-data.csv
+# Allow specific patterns for templates/examples
+!**/Office/*_template.csv
+!**/Office/*_example.csv
+# But exclude CSV files in Office that may have data
+old database/Office/*.csv
+# Warning: CSV files in Office/ directory contain real legacy data
+# Only commit header-only CSV files for structure reference
+
+# Test databases
+test.db
+test.sqlite
+test_*.db
+
+# Local development utilities
+dev-utils/
+local-scripts/
+
+# Generated API documentation
+api-docs/
+openapi.json
+
+# Performance profiling results
+profiling/
+*.prof
+
+# ===== SECURITY SCANNING =====
+# Security scan results
+.snyk
+vulnerability-report.*
+security-report.*
+
+# ===== COMMENTS FOR DEVELOPERS =====
+# Always review before committing:
+# - No passwords, API keys, or secrets
+# - No database files with real data  
+# - No SSL certificates or private keys
+# - No user uploads or sensitive documents
+# - No local configuration files
+# - No backup files containing data