feat: support one-command multi-client MCP setup

- Allow comma-separated clients for setup, print-config, and install-rules
- Add --install-rules to setup so MCP config and agent memory install together
- Document the Claude Code plus Codex one-command demo path

Generated with Claude Code

apps/mcp-server-standalone/package.json

@@ -1,6 +1,6 @@
 {
   "name": "ra-h-mcp-server",
-  "version": "3.2.2",
+  "version": "3.2.3",
   "description": "Connect Claude Code/Desktop to your RA-H knowledge base. Direct SQLite access to an existing RA-H database.",
   "main": "index.js",
   "bin": {