Initial scaffold: CLAUDE.md modules, directory structure, .gitignore

.gitignore

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+# Secrets
+.env
+.env.*
+
+# Backups (created by safety rules before overwrites)
+*.bak
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.egg-info/
+dist/
+build/
+.venv/
+venv/
+
+# Docker volumes (data managed by Docker, not Git)
+docker/volumes/
+
+# Ignition runtime data (not project resources)
+ignition/data/
+*.gwbk
+
+# Test results (generated output, not source)
+testing/results/
+
+# IDE / Editor
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Node (if any tooling uses it)
+node_modules/