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-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "ra-h-mcp-server",
-  "version": "3.2.2",
+  "version": "3.2.3",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "ra-h-mcp-server",
-      "version": "3.2.2",
+      "version": "3.2.3",
       "license": "MIT",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.0.0",