diff --git a/ai-hub/integration_tests/test_file_sync.py b/ai-hub/integration_tests/test_file_sync.py
index 8347d35..c5e92a2 100644
--- a/ai-hub/integration_tests/test_file_sync.py
+++ b/ai-hub/integration_tests/test_file_sync.py
@@ -67,7 +67,11 @@
     return os.getenv("SYNC_TEST_USER_ID", "integration_tester_sync")
 
 def _headers():
-    return {"X-User-ID": _get_user_id()}
+    h = {"X-User-ID": _get_user_id()}
+    secret = os.getenv("SYNC_TEST_PROXY_SECRET")
+    if secret:
+        h["X-Proxy-Secret"] = secret
+    return h
 
 
 def _unique(prefix="synctest"):
diff --git a/frontend/src/features/settings/components/cards/AIConfigurationCard.js b/frontend/src/features/settings/components/cards/AIConfigurationCard.js
index 3a3cba2..6436846 100644
--- a/frontend/src/features/settings/components/cards/AIConfigurationCard.js
+++ b/frontend/src/features/settings/components/cards/AIConfigurationCard.js
@@ -171,13 +171,13 @@
                   onClick={() => setIsGlobalMode(false)}
                   className={`px-4 py-2 rounded-xl text-[10px] font-black transition-all ${!isGlobalMode ? 'bg-white dark:bg-gray-800 text-indigo-600 dark:text-indigo-400 shadow-sm' : 'text-gray-400 dark:text-gray-500 hover:text-gray-600'}`}
                 >
-                  Personal Overrides
+                  My Account Settings
                 </button>
                 <button
                   onClick={() => setIsGlobalMode(true)}
                   className={`px-4 py-2 rounded-xl text-[10px] font-black transition-all ${isGlobalMode ? 'bg-indigo-600 text-white shadow-lg shadow-indigo-600/20' : 'text-gray-400 dark:text-gray-500 hover:text-gray-600'}`}
                 >
-                  System Defaults
+                  Global System Defaults
                 </button>
               </div>
             )}
@@ -188,6 +188,16 @@
       </div>
       {!collapsedSections.ai && (
         <div className="animate-fade-in-down">
+          {/* Aggregate Configuration Guidance */}
+          <div className="px-6 py-2 bg-indigo-50/50 dark:bg-indigo-900/10 border-b border-indigo-100/50 dark:border-indigo-900/20 flex items-center gap-2">
+            <svg className="w-3.5 h-3.5 text-indigo-500" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" /></svg>
+            <p className="text-[10px] text-indigo-600 dark:text-indigo-400 font-medium italic">
+                {isGlobalMode 
+                    ? "Admin: Configuring baseline providers and API keys for all users on this platform."
+                    : "User: Customizing your own API keys. These settings will be merged with system defaults."
+                }
+            </p>
+          </div>
           <div className="flex border-b border-gray-200 dark:border-gray-700 bg-gray-100/30 dark:bg-gray-800/80 overflow-x-auto no-scrollbar">
               {[
                   { id: 'llm', label: 'Large Models' },
@@ -230,7 +240,7 @@
               disabled={saving}
               className={`px-8 py-3 ${isGlobalMode ? 'bg-indigo-600 hover:bg-indigo-700 shadow-indigo-500/20' : 'bg-emerald-600 hover:bg-emerald-700 shadow-emerald-500/20'} text-white rounded-2xl text-xs font-black shadow-lg active:scale-95 transition-all flex items-center gap-2`}
             >
-              {saving ? 'Saving...' : (isGlobalMode ? 'Save System Defaults' : 'Save Personal Overrides')}
+              {saving ? 'Saving...' : (isGlobalMode ? 'Save Global Defaults' : 'Save Account Settings')}
               <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2.5} d="M5 13l4 4L19 7" /></svg>
             </button>
           </div>
diff --git a/frontend/src/features/settings/pages/SettingsPage.js b/frontend/src/features/settings/pages/SettingsPage.js
index 67fc56e..4cb22d6 100644
--- a/frontend/src/features/settings/pages/SettingsPage.js
+++ b/frontend/src/features/settings/pages/SettingsPage.js
@@ -316,7 +316,7 @@
         if (e) e.preventDefault();
         try {
             setSaving(true);
-            setMessage({ type: '', text: isGlobalMode ? 'Saving global system defaults...' : 'Saving and verifying personal overrides...' });
+            setMessage({ type: '', text: isGlobalMode ? 'Saving global platform defaults...' : 'Saving and verifying personal account settings...' });
 
             const updatedStatuses = { ...providerStatuses };
             const sections = ['llm', 'tts', 'stt'];
@@ -362,7 +362,7 @@
                     tts: data.tts || {},
                     stt: data.stt || {}
                 });
-                setMessage({ type: 'success', text: 'Personal overrides saved successfully!' });
+                setMessage({ type: 'success', text: 'Personal account settings saved successfully!' });
             }
             
             setTimeout(() => setMessage({ type: '', text: '' }), 3000);