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

README.md

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+# Ignition + Docker Development Framework
+
+Reusable scaffold for Ignition SCADA + Docker projects, designed to work with Claude Code as the AI development assistant.
+
+## First Consumer
+
+**PLC I/O Testing Platform** — automated PLC I/O validation using JSON-defined test scenarios.
+
+## Stack
+
+- Ignition 8.3 (Perspective, WebDev, OPC-UA, Git-native project storage)
+- Docker Compose on Ubuntu 24
+- Rockwell Allen-Bradley ControlLogix/CompactLogix
+- PostgreSQL 16
+- Traefik v3 (optional reverse proxy)
+- Gitea for source control
+
+## Getting Started
+
+See [CLAUDE.md](CLAUDE.md) for project directives, canonical patterns, and directory layout.
+
+## Directory Structure
+
+```
+├── CLAUDE.md              ← root directives (Claude Code reads this automatically)
+├── docker/                ← Docker Compose stack and configs
+├── ignition/              ← Ignition project (mounted into container)
+├── testing/               ← test scenarios, runner, results
+├── webdev/                ← WebDev API endpoint contracts
+├── tools/                 ← Python 3.10+ external utilities
+└── docs/                  ← project documentation
+```
+
+Each subdirectory contains its own `CLAUDE.md` with domain-specific rules.
+
+## License
+
+Internal use only.