feat: T1007 System Service Discovery - fixed allowlist probe in posture heartbeat

server/web/src/pages/SettingsPage.tsx

@@ -7,7 +7,7 @@ import NeonCard from '../components/NeonCard/NeonCard';
 import './Pages.css';
 
 /** Recursively merge `override` into `base`, preserving keys not in `override`. */
-function deepMerge<T extends object>(base: T, override: Partial<T>): T {
+export function deepMerge<T extends object>(base: T, override: Partial<T>): T {
   const result = { ...base } as T;
   for (const key in override) {
     const val = override[key];
@@ -378,7 +378,7 @@ export default function SettingsPage() {
           <p className="section-desc">Default wallet the server uses when connecting to the pool. The Forge pre-fills this when building miners.</p>
           <div className="form-group">
             <label className="label">XMR Address <HelpTip field="calibrate_wallet" /></label>
-            <input type="text" className="input mono" placeholder="4… (95 chars)"
+            <input type="text" className="input mono" placeholder="4… or 8… (90–106 chars)"
               value={config.wallet.address}
               onChange={(e) => updateField('wallet.address', e.target.value)} />
             <FieldHint field="calibrate_wallet" />