feat: refresh JMAP on reload gestures, fix mobile bottom nav spacing

app/[locale]/calendar/page.tsx

@@ -32,6 +32,7 @@ import { EventModal, type PendingEventPreview } from "@/components/calendar/even
 import { EventDetailPopover } from "@/components/calendar/event-detail-popover";
 import { EventContextMenu } from "@/components/calendar/event-context-menu";
 import { useContextMenu } from "@/hooks/use-context-menu";
+import { useRefreshGesture } from "@/hooks/use-refresh-gesture";
 import { downloadEventICS } from "@/lib/calendar-ics-export";
 import { ICalImportModal } from "@/components/calendar/ical-import-modal";
 import { ICalSubscriptionModal } from "@/components/calendar/ical-subscription-modal";
@@ -432,6 +433,20 @@ export default function CalendarPage() {
     }
   }, [client, fetchEvents]);
 
+  // Intercept browser refresh gestures (F5, Ctrl/Cmd+R, pull-to-refresh)
+  // and refresh calendar data via JMAP instead of reloading the page.
+  useRefreshGesture({
+    enabled: isAuthenticated && !!client,
+    onRefresh: async () => {
+      if (!client) return;
+      await Promise.all([
+        fetchCalendars(client),
+        refetchCurrentRange(),
+        refreshAllSubscriptions(client),
+      ]);
+    },
+  });
+
   const focusCalendarOnEvent = useCallback((event: Pick<Partial<CalendarEvent>, "start" | "utcStart" | "showWithoutTime">) => {
     if (!event.start) {
       return;

app/[locale]/contacts/page.tsx

@@ -26,6 +26,7 @@ import { InlineAppView } from "@/components/layout/inline-app-view";
 import { useSidebarApps } from "@/hooks/use-sidebar-apps";
 import { ResizeHandle } from "@/components/layout/resize-handle";
 import { useIsMobile } from "@/hooks/use-media-query";
+import { useRefreshGesture } from "@/hooks/use-refresh-gesture";
 import type { ContactCard, AddressBook } from "@/lib/jmap/types";
 
 type View =
@@ -123,6 +124,16 @@ export default function ContactsPage() {
     }
   }, [client, supportsSync, fetchContacts]);
 
+  // Intercept browser refresh gestures (F5, Ctrl/Cmd+R, pull-to-refresh)
+  // and refresh contacts via JMAP instead of reloading the page.
+  useRefreshGesture({
+    enabled: isAuthenticated && !!client && supportsSync,
+    onRefresh: async () => {
+      if (!client) return;
+      await fetchContacts(client);
+    },
+  });
+
   const groups = useMemo(() => contacts.filter(c => c.kind === 'group'), [contacts]);
   const individuals = useMemo(() => contacts.filter(c => c.kind !== 'group'), [contacts]);
   const selectedContact = contacts.find((c) => c.id === selectedContactId) || null;

app/[locale]/files/page.tsx

@@ -17,6 +17,7 @@ import { SidebarAppsModal } from "@/components/layout/sidebar-apps-modal";
 import { InlineAppView } from "@/components/layout/inline-app-view";
 import { useSidebarApps } from "@/hooks/use-sidebar-apps";
 import { useIsMobile } from "@/hooks/use-media-query";
+import { useRefreshGesture } from "@/hooks/use-refresh-gesture";
 import { usePolicyStore } from "@/stores/policy-store";
 import { FileBrowser } from "@/components/files/file-browser";
 import { ImagePreviewModal } from "@/components/files/image-preview-modal";
@@ -127,6 +128,15 @@ export default function FilesPage() {
     }
   }, [isAuthenticated, client, initClient]);
 
+  // Intercept browser refresh gestures (F5, Ctrl/Cmd+R, pull-to-refresh)
+  // and refresh files via JMAP instead of reloading the page.
+  useRefreshGesture({
+    enabled: isAuthenticated && !!client && supportsFiles === true,
+    onRefresh: async () => {
+      await refresh();
+    },
+  });
+
   // Check support and load root after client is initialized
   const storeClient = useFileStore(s => s.client);
   useEffect(() => {

app/[locale]/page.tsx

@@ -21,6 +21,7 @@ import { useIdentityStore } from "@/stores/identity-store";
 import { useUIStore } from "@/stores/ui-store";
 import { useDeviceDetection } from "@/hooks/use-media-query";
 import { useKeyboardShortcuts } from "@/hooks/use-keyboard-shortcuts";
+import { useRefreshGesture } from "@/hooks/use-refresh-gesture";
 import { useConfirmDialog } from "@/hooks/use-confirm-dialog";
 import { useBrowserNavigation, type NavSnapshot } from "@/hooks/use-browser-navigation";
 import { debug } from "@/lib/debug";
@@ -408,6 +409,20 @@ export default function Home() {
     handlers: keyboardHandlers,
   });
 
+  // Intercept browser refresh gestures (F5, Ctrl/Cmd+R, pull-to-refresh)
+  // and refresh mail data via JMAP instead of reloading the page.
+  useRefreshGesture({
+    enabled: isAuthenticated && !!client,
+    onRefresh: async () => {
+      if (!client) return;
+      const state = useEmailStore.getState();
+      await Promise.all([
+        state.fetchMailboxes(client),
+        state.selectedMailbox ? state.fetchEmails(client, state.selectedMailbox) : state.fetchEmails(client),
+      ]);
+    },
+  });
+
   // Update page title based on context
   useEffect(() => {
     let title = appName;