Very initial CLAUDE.md

CLAUDE.md

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+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+## Project Overview
+
+**SummerCMS** is a planning/meta-repository for rewriting WinterCMS/OctoberCMS into a faster, more stable language (primary pick: **Scala**). The goal is to create a similar-in-form CMF (Content Management Framework) that preserves the best developer experience patterns from WinterCMS while improving performance and scalability.
+
+This repo contains:
+- `IDEA.md` — Vision and requirements for the new CMS
+- `STACK.md` — Technology stack decisions
+- `examples/golem15-wintercms-starter` — Git submodule pointing to the existing WinterCMS-based Golem15 Stack (reference implementation)
+
+## Repository Structure
+
+The top-level repo is lightweight — just planning docs and an example submodule. The actual WinterCMS codebase lives in the submodule and has its own detailed `CLAUDE.md` at `examples/golem15-wintercms-starter/CLAUDE.md`.
+
+## Working with the Submodule
+
+```bash
+# Initialize the example submodule after cloning
+git submodule update --init --recursive
+
+# Enter the WinterCMS example project
+cd examples/golem15-wintercms-starter
+```
+
+The submodule is the `wn-starter-app` from `github.com/golem15com` — a full WinterCMS project with 19 Golem15 plugins managed as nested submodules.
+
+## Key Design Requirements for SummerCMS
+
+From `IDEA.md`, the new CMS must support:
+- Model / controller / components system similar to WinterCMS
+- Modern, efficient frontend-backend communication (replacing AJAX requests)
+- YAML/JSON-driven admin backend form generation
+- Console commands for scaffolding
+- Extensible plugin and theme system where plugins can extend each other
+- Modular architecture (like Laravel's Illuminate packages — each module as its own project)
+
+## Important Constraints
+
+- Core plugins (user, blog, pages, payment) work across many projects — avoid breaking changes unless directly asked
+- The reference WinterCMS implementation uses `php-legacy` / `composer-legacy` commands (see submodule's CLAUDE.md for details)