feat: add frictionless RA-H OS setup

- Add MCP setup, doctor, init-db, config, and rules CLI commands
- Publish latest MCP package wiring and local setup helper
- Update OS install docs for MCP-only, full app, and demo-safe setup

Generated with Claude Code

scripts/dev/setup-local.mjs

@@ -0,0 +1,25 @@
+#!/usr/bin/env node
+
+import { spawnSync } from 'node:child_process';
+
+function run(command, args) {
+  const result = spawnSync(command, args, {
+    stdio: 'inherit',
+    env: process.env,
+  });
+
+  if (result.status !== 0) {
+    process.exit(result.status || 1);
+  }
+}
+
+console.log('[setup-local] Rebuilding better-sqlite3 native bindings');
+run('npm', ['rebuild', 'better-sqlite3']);
+
+console.log('[setup-local] Bootstrapping local RA-H database');
+run('npm', ['run', 'bootstrap:local']);
+
+console.log('');
+console.log('[setup-local] Local app setup complete.');
+console.log('[setup-local] Next: npm run dev');
+console.log('[setup-local] Optional MCP setup: npx -y ra-h-mcp-server@latest setup --client claude-code');