feat: Add deployment target configuration for environment-specific settings, Sentry integration, and CMS notice logic.

components/CMSConnectivityNotice.tsx

@@ -2,6 +2,7 @@
 
 import React, { useEffect, useState } from 'react';
 import { AlertCircle, RefreshCw, Database } from 'lucide-react';
+import { config } from '../lib/config';
 
 export default function CMSConnectivityNotice() {
   const [status, setStatus] = useState<'checking' | 'ok' | 'error'>('checking');
@@ -12,14 +13,12 @@ export default function CMSConnectivityNotice() {
     // Only show if we've detected an issue AND we are in a context where we want to see it
     const checkCMS = async () => {
       const isDebug = new URLSearchParams(window.location.search).has('cms_debug');
-      const isLocal =
-        window.location.hostname === 'localhost' || window.location.hostname.includes('127.0.0.1');
-      const isStaging =
-        window.location.hostname.includes('staging') ||
-        window.location.hostname.includes('testing');
+      const isLocal = config.isDevelopment;
+      const isTesting = config.isTesting;
 
-      // Only proceed with check if it's developer context
-      if (!isLocal && !isStaging && !isDebug) return;
+      // Only proceed with check if it's developer context (Local or Testing)
+      // Staging and Production should NEVER see this unless forced with ?cms_debug
+      if (!isLocal && !isTesting && !isDebug) return;
 
       try {
         const response = await fetch('/api/health/cms');