fix(ai-config): address Copilot review comments

- README.md: clarify AI setup section — repo ships preconfigured files, each tool requires its own client/auth install
- naming/SKILL.md: align layer order with CLAUDE.md source of truth (add Routes → at the front of the chain)

Author: PierreBrisorgueil

.claude/skills/naming/SKILL.md

@@ -45,6 +45,6 @@ From a module name (e.g., `my-feature`):
 
 ## Layer Order
 
-Controllers → Services → Repositories → Models
+Routes → Controllers → Services → Repositories → Models
 
 Never skip layers. Controllers must not call repositories directly.

README.md

@@ -143,7 +143,7 @@ docker-compose up
 
 ## :robot: AI Setup
 
-This stack ships with configurations for Claude Code, GitHub Copilot, and OpenAI Codex — all work immediately after cloning.
+This stack ships preconfigured instruction and prompt files for Claude Code, GitHub Copilot, and OpenAI Codex. Each tool requires its own client installation and authentication — the repository provides the configuration so it works out-of-the-box once the tool is set up.
 
 | Tool              | Config                                                              |
 | ----------------- | ------------------------------------------------------------------- |