fix(config): phase 7 follow-up — fix remaining /ims/ occurrences in sw.js, notifications, components

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

components/notifications/bell.tsx

@@ -20,7 +20,7 @@ export function NotificationBell() {
   const panelRef = useRef<HTMLDivElement>(null)
 
   const load = useCallback(() => {
-    fetch('/ims/api/notifications')
+    fetch('/api/notifications')
       .then(r => (r.ok ? r.json() : Promise.reject()))
       .then((data: { notifications: Notification[]; unread: number }) => {
         setNotifications(data.notifications)
@@ -45,7 +45,7 @@ export function NotificationBell() {
   }, [open])
 
   const markAllRead = () => {
-    fetch('/ims/api/notifications', {
+    fetch('/api/notifications', {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
       body: JSON.stringify({ all: true }),