Patch up radio locking and frontend contact delete behavior for bulk contact delete

frontend/src/App.tsx

@@ -558,6 +558,10 @@ export function App() {
     onToggleBlockedKey: handleBlockKey,
     onToggleBlockedName: handleBlockName,
     contacts,
+    onBulkDeleteContacts: (deletedKeys: string[]) => {
+      const keySet = new Set(deletedKeys.map((k) => k.toLowerCase()));
+      setContacts((prev) => prev.filter((c) => !keySet.has(c.public_key.toLowerCase())));
+    },
   };
   const crackerProps = {
     packets: rawPackets,

frontend/src/components/SettingsModal.tsx

@@ -49,6 +49,7 @@ interface SettingsModalBaseProps {
   onToggleBlockedKey?: (key: string) => void;
   onToggleBlockedName?: (name: string) => void;
   contacts?: Contact[];
+  onBulkDeleteContacts?: (deletedKeys: string[]) => void;
 }
 
 export type SettingsModalProps = SettingsModalBaseProps &
@@ -83,6 +84,7 @@ export function SettingsModal(props: SettingsModalProps) {
     onToggleBlockedKey,
     onToggleBlockedName,
     contacts,
+    onBulkDeleteContacts,
   } = props;
   const externalSidebarNav = props.externalSidebarNav === true;
   const desktopSection = props.externalSidebarNav ? props.desktopSection : undefined;
@@ -243,6 +245,7 @@ export function SettingsModal(props: SettingsModalProps) {
                 onToggleBlockedKey={onToggleBlockedKey}
                 onToggleBlockedName={onToggleBlockedName}
                 contacts={contacts}
+                onBulkDeleteContacts={onBulkDeleteContacts}
                 className={sectionContentClass}
               />
             ) : (

frontend/src/components/settings/BulkDeleteContactsModal.tsx

@@ -36,7 +36,7 @@ interface BulkDeleteContactsModalProps {
   open: boolean;
   onClose: () => void;
   contacts: Contact[];
-  onDeleted: () => void;
+  onDeleted: (deletedKeys: string[]) => void;
 }
 
 export function BulkDeleteContactsModal({
@@ -133,9 +133,10 @@ export function BulkDeleteContactsModal({
   const handleDelete = async () => {
     setDeleting(true);
     try {
-      const result = await api.bulkDeleteContacts([...selectedKeys]);
+      const keysToDelete = [...selectedKeys];
+      const result = await api.bulkDeleteContacts(keysToDelete);
       toast.success(`Deleted ${result.deleted} contact${result.deleted === 1 ? '' : 's'}`);
-      onDeleted();
+      onDeleted(keysToDelete);
       resetAndClose();
     } catch (err) {
       console.error('Bulk delete failed:', err);

frontend/src/components/settings/SettingsDatabaseSection.tsx

@@ -19,6 +19,7 @@ export function SettingsDatabaseSection({
   onToggleBlockedKey,
   onToggleBlockedName,
   contacts = [],
+  onBulkDeleteContacts,
   className,
 }: {
   appSettings: AppSettings;
@@ -30,6 +31,7 @@ export function SettingsDatabaseSection({
   onToggleBlockedKey?: (key: string) => void;
   onToggleBlockedName?: (name: string) => void;
   contacts?: Contact[];
+  onBulkDeleteContacts?: (deletedKeys: string[]) => void;
   className?: string;
 }) {
   const [retentionDays, setRetentionDays] = useState('14');
@@ -297,7 +299,7 @@ export function SettingsDatabaseSection({
           open={bulkDeleteOpen}
           onClose={() => setBulkDeleteOpen(false)}
           contacts={contacts}
-          onDeleted={() => {}}
+          onDeleted={(keys) => onBulkDeleteContacts?.(keys)}
         />
       </div>