fix(settings): visible radio buttons for the privacy and import choices

The app CSS hides native radio inputs, so the read-receipt choice and the
"keep mine / use the file's" import choice showed no selection. Use the
folds RadioButton.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017PCb59uY3UKqDqt7B6hzd5

e2e/a11y.spec.ts-snapshots/settings-nav.aria.yml

@@ -1,22 +1,31 @@
 - navigation "Settings sections":
-    - button "General" [pressed]:
-        - img
-        - paragraph: General
-    - button "Account":
+    - button "Account" [pressed]:
         - img
         - paragraph: Account
+    - button "Appearance":
+        - img
+        - paragraph: Appearance
+    - button "Messages":
+        - img
+        - paragraph: Messages
     - button "Notifications":
         - img
         - paragraph: Notifications
-    - button "Devices":
+    - button "Calls & audio":
         - img
-        - paragraph: Devices
-    - button "Emojis & Stickers":
+        - paragraph: Calls & audio
+    - button "Privacy & security":
         - img
-        - paragraph: Emojis & Stickers
-    - button "Developer Tools":
+        - paragraph: Privacy & security
+    - button "Data & storage":
         - img
-        - paragraph: Developer Tools
+        - paragraph: Data & storage
+    - button "Emojis & stickers":
+        - img
+        - paragraph: Emojis & stickers
+    - button "Advanced":
+        - img
+        - paragraph: Advanced
     - button "About":
         - img
         - paragraph: About

e2e/key-upload-recovery.spec.ts

@@ -31,7 +31,7 @@ test.describe('key upload recovery (#201)', () => {
     expect(rejected).toBeGreaterThanOrEqual(3);
 
     await banner.getByRole('button', { name: 'Details' }).click();
-    await expect(banner).toContainText('Settings → Devices');
+    await expect(banner).toContainText('Settings → Privacy & security');
     await expect(banner).toContainText('already exists');
 
     await banner.getByRole('button', { name: /Fix: sign out/ }).click();

e2e/security-nudge.spec.ts

@@ -75,7 +75,9 @@ test.describe('security nudge (#110, #123)', () => {
     await expect(strip(page)).toHaveCount(0);
   });
 
-  test('no key backup: "Set up key backup" opens Settings → Devices', async ({ page }) => {
+  test('no key backup: "Set up key backup" opens Settings → Privacy & security', async ({
+    page,
+  }) => {
     test.setTimeout(150_000);
     await loginUI(page, user);
     await pastGrace(page);
@@ -83,7 +85,7 @@ test.describe('security nudge (#110, #123)', () => {
     const nudge = strip(page);
     await expect(nudge).toContainText("Your encryption keys aren't backed up");
     await nudge.getByRole('button', { name: 'Set up' }).click();
-    await expect(page.getByText('Device Verification').first()).toBeVisible();
+    await expect(page.getByText('Device verification').first()).toBeVisible();
   });
 
   test('a dismissed announcement no longer hides the nudge (#307)', async ({ page }) => {

e2e/stale-sessions.spec.ts

@@ -0,0 +1,98 @@
+import { test, expect, Page } from '@playwright/test';
+import { HS, PASSWORD, api, ensureUser, hsReachable, loginUI, uniq } from './localHs';
+
+// [Gitea #113] Sessions unused for 90+ days: a nudge (after the device-security
+// one), and Review opens Settings → Devices with them ticked for sign-out.
+// Synapse won't backdate last-seen, so the session list is served with one
+// real extra session made 120 days old.
+const DAY = 86_400_000;
+
+const strip = (page: Page, text: RegExp) => page.getByRole('status').filter({ hasText: text });
+
+async function pastGrace(page: Page) {
+  await page.evaluate(() => {
+    const { deviceId } = JSON.parse(localStorage.getItem('cinny_session_v1') ?? '{}');
+    localStorage.setItem(
+      `lotus-security-nudge-${deviceId}`,
+      JSON.stringify({ firstSeen: Date.now() - 2 * 86_400_000, dismissals: {} }),
+    );
+  });
+  await page.reload();
+}
+
+async function settled(page: Page) {
+  await page
+    .getByText('Connecting...')
+    .first()
+    .waitFor({ timeout: 30_000 })
+    .catch(() => undefined);
+  await page.getByText('Connecting...').first().waitFor({ state: 'detached', timeout: 90_000 });
+}
+
+test.describe('stale sessions (#113)', () => {
+  test.beforeAll(async () => {
+    test.skip(!(await hsReachable()), 'local homeserver not running');
+  });
+
+  test('nudge after the security one, Review ticks the old session, sign-out works', async ({
+    page,
+  }) => {
+    test.setTimeout(180_000);
+    const user = await ensureUser(uniq('ss'));
+    // Two extra sessions: one we'll make look 4 months old, one recent.
+    const login = (device: string) =>
+      api<{ device_id: string }>('POST', '/_matrix/client/v3/login', undefined, {
+        type: 'm.login.password',
+        identifier: { type: 'm.id.user', user: user.localpart },
+        password: PASSWORD,
+        device_id: device,
+        initial_device_display_name: device,
+      });
+    await login('OLDLAPTOP');
+    await login('RECENTPHONE');
+    await page.route(/\/_matrix\/client\/v3\/devices(\?.*)?$/, async (route) => {
+      const res = await route.fetch();
+      const body = await res.json();
+      for (const d of body.devices ?? []) {
+        if (d.device_id === 'OLDLAPTOP') d.last_seen_ts = Date.now() - 120 * DAY;
+        else d.last_seen_ts = Date.now() - DAY;
+      }
+      await route.fulfill({ response: res, json: body });
+    });
+
+    await loginUI(page, user);
+    await pastGrace(page);
+    await settled(page);
+
+    // A fresh account has no key backup: that nudge comes first.
+    const security = strip(page, /encryption keys/);
+    await expect(security).toBeVisible({ timeout: 30_000 });
+    await security.getByRole('button', { name: 'Not now' }).click();
+
+    const stale = strip(page, /a session you haven't used in 3 months/);
+    await expect(stale).toBeVisible({ timeout: 30_000 });
+    await stale.getByRole('button', { name: 'Review' }).click();
+
+    const dialog = page.getByRole('dialog').first();
+    await expect(dialog.getByText('Inactive for 3+ months')).toHaveCount(1);
+    await expect(dialog.getByText(/Logout from selected devices\. \(1 selected\)/)).toBeVisible();
+
+    // The sticky "Logout from selected devices" bar comes last.
+    await dialog.getByRole('button', { name: 'Logout', exact: true }).last().click();
+    await page.locator('input[name="passwordInput"]').fill(PASSWORD);
+    await page.getByRole('button', { name: 'Continue' }).click();
+    await expect(dialog.getByText(/Logout from selected devices/)).toHaveCount(0, {
+      timeout: 30_000,
+    });
+
+    const { devices } = await api<{ devices: { device_id: string }[] }>(
+      'GET',
+      '/_matrix/client/v3/devices',
+      user.token,
+    );
+    const ids = devices.map((d) => d.device_id);
+    expect(ids).not.toContain('OLDLAPTOP');
+    expect(ids).toContain('RECENTPHONE');
+    expect(HS).toBeTruthy();
+  });
+});

e2e/your-data.spec.ts

@@ -0,0 +1,98 @@
+import fs from 'node:fs';
+import { test, expect } from '@playwright/test';
+import { api, ensureUser, hsReachable, loginUI, uniq } from './localHs';
+
+// [Gitea #114] Export / import "your data": a round trip through the file, the
+// merge summary, and the keep-mine / use-the-file's choice.
+const enc = encodeURIComponent;
+
+test.describe('your data (#114)', () => {
+  test.beforeAll(async () => {
+    test.skip(!(await hsReachable()), 'local homeserver not running');
+  });
+
+  test('export, change things, import merges with the chosen conflict rule', async ({ page }) => {
+    test.setTimeout(150_000);
+    const user = await ensureUser(uniq('yd'));
+    const put = (type: string, content: unknown) =>
+      api(
+        'PUT',
+        `/_matrix/client/v3/user/${enc(user.userId)}/account_data/${type}`,
+        user.token,
+        content,
+      );
+    const get = (type: string) =>
+      api<Record<string, unknown>>(
+        'GET',
+        `/_matrix/client/v3/user/${enc(user.userId)}/account_data/${type}`,
+        user.token,
+      );
+    const bm = (eventId: string) => ({ roomId: '!r:localhost', eventId, savedAt: 1 });
+    await put('io.lotus.bookmarks', { bookmarks: [bm('$one'), bm('$two')] });
+    await put('io.lotus.user_notes', { '@friend:localhost': 'met at the LAN party' });
+
+    await loginUI(page, user);
+    await page
+      .getByText('Connecting...')
+      .first()
+      .waitFor({ state: 'detached', timeout: 90_000 })
+      .catch(() => undefined);
+    const openGeneral = async () => {
+      await page.getByRole('button', { name: 'User Settings' }).click();
+      await page.getByRole('dialog').getByText('Data & storage', { exact: true }).first().click();
+      await page
+        .getByRole('dialog')
+        .getByText('Your data', { exact: true })
+        .scrollIntoViewIfNeeded();
+    };
+    await openGeneral();
+
+    // Export.
+    const [download] = await Promise.all([
+      page.waitForEvent('download'),
+      page.getByRole('dialog').getByRole('button', { name: 'Export', exact: true }).click(),
+    ]);
+    const path = await download.path();
+    const file = JSON.parse(fs.readFileSync(path!, 'utf8'));
+    expect(file.format).toBe('lotus-chat-data');
+    expect(file.accountData['io.lotus.bookmarks'].bookmarks).toHaveLength(2);
+    expect(file.local.settings).toBeTruthy();
+
+    // Lose a bookmark, change the note.
+    await put('io.lotus.bookmarks', { bookmarks: [bm('$one')] });
+    await put('io.lotus.user_notes', { '@friend:localhost': 'changed my mind' });
+    await page.waitForTimeout(3000); // let sync deliver the new account data
+
+    const importFile = async () => {
+      await page
+        .locator('input[type="file"][aria-label="Lotus Chat data file"]')
+        .setInputFiles(path!);
+      await expect(page.getByRole('region', { name: 'Import summary' })).toBeVisible();
+    };
+    await importFile();
+    const summary = page.getByRole('region', { name: 'Import summary' });
+    await expect(summary).toContainText('Bookmarks: 1 new');
+    await expect(summary).toContainText('Private notes about people: 1 differ');
+
+    // Keep mine: the bookmark comes back, the note stays as it is now.
+    await summary.getByRole('button', { name: 'Import', exact: true }).click();
+    await expect(page.getByText('Imported.')).toBeVisible({ timeout: 20_000 });
+    expect(((await get('io.lotus.bookmarks')).bookmarks as unknown[]).length).toBe(2);
+    expect((await get('io.lotus.user_notes'))['@friend:localhost']).toBe('changed my mind');
+
+    // Again, using the file's: the note goes back.
+    await page.waitForTimeout(2000);
+    await importFile();
+    await summary.getByText("Use the file's").click();
+    await summary.getByRole('button', { name: 'Import', exact: true }).click();
+    await expect(page.getByText('Imported.')).toBeVisible({ timeout: 20_000 });
+    expect((await get('io.lotus.user_notes'))['@friend:localhost']).toBe('met at the LAN party');
+
+    // Wrong files are refused with a plain message.
+    fs.writeFileSync(`${path}.bad`, '{"format":"something-else"}');
+    await page
+      .locator('input[type="file"][aria-label="Lotus Chat data file"]')
+      .setInputFiles(`${path}.bad`);
+    await expect(page.getByText("This isn't a Lotus Chat data file.")).toBeVisible();
+  });
+});

src/app/components/CallEmbedProvider.tsx

@@ -37,7 +37,7 @@ import {
   useCallThemeSync,
   useCallStart,
 } from '../hooks/useCallEmbed';
-import { callChatAtom, callEmbedAtom } from '../state/callEmbed';
+import { callChatAtom, callEmbedAtom, immersiveCallAtom } from '../state/callEmbed';
 import { toastQueueAtom } from '../state/toast';
 import { CallEmbed, useCallControlState, useScreensharePromptOpen } from '../plugins/call';
 import { hangupCallAndWait } from '../plugins/call/hangup';
@@ -954,6 +954,7 @@ export function CallEmbedProvider({ children }: CallEmbedProviderProps) {
   const inCallRoom = callEmbed && selectedRoom === callEmbed.roomId;
   const callActive = callEmbed && joined;
   const callVisible = inCallRoom && callActive && !chatOnlyView;
+  const immersiveCall = useAtomValue(immersiveCallAtom);
   const pipMode = callActive && !inCallRoom;
   const pipPromptOpen = useScreensharePromptOpen(callEmbed?.control);
   const { navigateRoom } = useRoomNavigate();
@@ -1458,7 +1459,13 @@ export function CallEmbedProvider({ children }: CallEmbedProviderProps) {
           ...(pipMode
             ? { background: color.Surface.Container }
             : callVisible
-              ? wallpaperStyle
+              ? {
+                  // [Gitea #126] Full screen: the frame is transparent, so give
+                  // it an opaque base under the wallpaper or the room's
+                  // sidebar / call bar show through.
+                  ...(immersiveCall ? { backgroundColor: color.Background.Container } : {}),
+                  ...wallpaperStyle,
+                }
               : {}),
         }}
         ref={callEmbedRef}

src/app/components/CloseBehaviorPrompt.tsx

@@ -19,7 +19,7 @@ import { useModalStyle } from '../hooks/useModalStyle';
  * cinny-desktop #5: the first time the window is closed, ask whether Lotus Chat
  * should keep running in the tray (calls, messages, notifications) or quit —
  * and, in the same moment, whether it should start when you sign in. Asked
- * once; changeable in Settings → General. The native side sends
+ * once; changeable in Settings → Desktop. The native side sends
  * `lotus-close-requested` only while the choice is still "ask", and never
  * during a call (a call always goes to the tray).
  */
@@ -149,7 +149,7 @@ export function CloseBehaviorPrompt() {
                 )}
               </Box>
               <Text size="T200" priority="300">
-                You can change this in Settings → General.
+                You can change this in Settings → Desktop.
               </Text>
             </Box>
           </Dialog>

src/app/features/call/CallView.tsx

@@ -23,6 +23,7 @@ import { useVoiceChannelFull } from '../../hooks/useVoiceChannelFull';
 import { CallMemberRenderer } from './CallMemberCard';
 import * as css from './styles.css';
 import { CallControls } from './CallControls';
+import { ImmersiveCallOverlay } from './ImmersiveCallOverlay';
 import { useLivekitSupport } from '../../hooks/useLivekitSupport';
 import { CallsUnavailableMessage } from './CallsUnavailable';
 import { webRTCSupported } from '../../utils/rtc';
@@ -198,10 +199,24 @@ function CallLoadErrorMessage() {
 type CallJoinedProps = {
   containerRef: RefObject<HTMLDivElement>;
   joined: boolean;
+  /** [Gitea #126] Full screen: controls float over the call instead. */
+  onExitImmersive?: () => void;
 };
-function CallJoined({ joined, containerRef }: CallJoinedProps) {
+function CallJoined({ joined, containerRef, onExitImmersive }: CallJoinedProps) {
   const callEmbed = useCallEmbed();
 
+  if (onExitImmersive) {
+    return (
+      <Box grow="Yes" direction="Column" style={{ position: 'relative' }}>
+        <Box grow="Yes" ref={containerRef} />
+        {callEmbed && joined && (
+          <ImmersiveCallOverlay callEmbed={callEmbed} onExit={onExitImmersive} />
+        )}
+        {callEmbed && joined && <LotusDecorationPusher callEmbed={callEmbed} />}
+      </Box>
+    );
+  }
+
   return (
     <Box grow="Yes" direction="Column">
       <Box grow="Yes" ref={containerRef} />
@@ -212,7 +227,7 @@ function CallJoined({ joined, containerRef }: CallJoinedProps) {
   );
 }
 
-export function CallView() {
+export function CallView({ onExitImmersive }: { onExitImmersive?: () => void } = {}) {
   const room = useRoom();
   const callContainerRef = useRef<HTMLDivElement>(null) as React.RefObject<HTMLDivElement>;
   useCallEmbedPlacementSync(callContainerRef);
@@ -227,6 +242,26 @@ export function CallView() {
   // made it into the call (a hung iframe / blank spinner otherwise).
   const showLoadError = isCurrentRoom && !currentJoined && Boolean(loadError);
 
+  if (onExitImmersive && currentJoined) {
+    // [Gitea #126] Cover the screen with a transparent layer above the call
+    // frame: the frame follows the placeholder (useCallEmbedPlacementSync), so
+    // it goes full screen too; the layer only takes touches on its own
+    // tap-catcher / controls, so the call underneath stays usable.
+    return (
+      <Box
+        style={{
+          position: 'fixed',
+          inset: 0,
+          zIndex: 10,
+          pointerEvents: 'none',
+          paddingTop: 'env(safe-area-inset-top)',
+        }}
+      >
+        <CallJoined joined containerRef={callContainerRef} onExitImmersive={onExitImmersive} />
+      </Box>
+    );
+  }
+
   return (
     <Box
       className={ContainerColor({ variant: 'Surface' })}

src/app/features/call/ImmersiveCallOverlay.tsx

@@ -0,0 +1,129 @@
+import React, { useCallback, useEffect, useRef, useState } from 'react';
+import { useSetAtom } from 'jotai';
+import { Box, Button, Icon, Icons, Text, config, toRem } from 'folds';
+import { CallEmbed } from '../../plugins/call';
+import { CallControls } from './CallControls';
+import { callChatAtom } from '../../state/callEmbed';
+import { CONTROLS_AUTOHIDE_MS, wantsBrowserFullscreen } from './landscapeCall';
+
+const isStandalone = (): boolean =>
+  window.matchMedia?.('(display-mode: standalone)').matches ||
+  (navigator as { standalone?: boolean }).standalone === true;
+
+/**
+ * [Gitea #126] Full-screen call controls. Taps inside the call frame never
+ * reach us, so while the controls are hidden a transparent layer covers the
+ * call: the first tap shows them (and is otherwise swallowed, as in native
+ * video apps); with them up the layer is gone, so the call stays usable. They
+ * hide again after a few seconds without a touch. The first tap in an Android
+ * browser tab also enters the browser's own full screen (hides the address
+ * bar); it is left again when this unmounts (rotate back, hang up, exit).
+ */
+export function ImmersiveCallOverlay({
+  callEmbed,
+  onExit,
+}: {
+  callEmbed: CallEmbed;
+  onExit: () => void;
+}) {
+  const [shown, setShown] = useState(false);
+  const timer = useRef<number | undefined>(undefined);
+  const enteredFullscreen = useRef(false);
+  const setChat = useSetAtom(callChatAtom);
+
+  const armHide = useCallback(() => {
+    window.clearTimeout(timer.current);
+    timer.current = window.setTimeout(() => setShown(false), CONTROLS_AUTOHIDE_MS);
+  }, []);
+
+  useEffect(
+    () => () => {
+      window.clearTimeout(timer.current);
+      if (enteredFullscreen.current && document.fullscreenElement === document.documentElement) {
+        document.exitFullscreen().catch(() => undefined);
+      }
+    },
+    [],
+  );
+
+  const reveal = () => {
+    if (
+      wantsBrowserFullscreen({
+        userAgent: navigator.userAgent,
+        standalone: isStandalone(),
+        fullscreenEnabled: !!document.fullscreenEnabled,
+        alreadyFullscreen: !!document.fullscreenElement,
+      })
+    ) {
+      document.documentElement
+        .requestFullscreen({ navigationUI: 'hide' })
+        .then(() => {
+          enteredFullscreen.current = true;
+        })
+        .catch(() => undefined);
+    }
+    setShown(true);
+    armHide();
+  };
+
+  if (!shown) {
+    return (
+      <div
+        role="button"
+        tabIndex={0}
+        aria-label="Show call controls"
+        onClick={reveal}
+        onKeyDown={(e) => (e.key === 'Enter' || e.key === ' ') && reveal()}
+        style={{ position: 'absolute', inset: 0, pointerEvents: 'auto' }}
+      />
+    );
+  }
+
+  return (
+    <Box
+      direction="Column"
+      // Any touch on the controls keeps them up a little longer.
+      onPointerDown={armHide}
+      style={{
+        position: 'absolute',
+        left: 0,
+        right: 0,
+        bottom: 0,
+        pointerEvents: 'auto',
+        paddingLeft: 'env(safe-area-inset-left)',
+        paddingRight: 'env(safe-area-inset-right)',
+        paddingBottom: 'env(safe-area-inset-bottom)',
+        background: 'linear-gradient(to top, rgba(0,0,0,0.7), rgba(0,0,0,0))',
+      }}
+    >
+      <Box
+        justifyContent="End"
+        gap="200"
+        style={{ padding: `${config.space.S200} ${config.space.S300} 0` }}
+      >
+        <Button
+          size="300"
+          variant="Secondary"
+          fill="Soft"
+          radii="Pill"
+          before={<Icon size="100" src={Icons.Message} />}
+          onClick={() => setChat(true)}
+        >
+          <Text size="B300">Chat</Text>
+        </Button>
+        <Button
+          size="300"
+          variant="Secondary"
+          fill="Soft"
+          radii="Pill"
+          before={<Icon size="100" src={Icons.Cross} />}
+          onClick={onExit}
+          style={{ minWidth: toRem(40) }}
+        >
+          <Text size="B300">Exit full screen</Text>
+        </Button>
+      </Box>
+      <CallControls callEmbed={callEmbed} />
+    </Box>
+  );
+}

src/app/features/call/landscapeCall.test.ts

@@ -0,0 +1,34 @@
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { shouldGoImmersive, wantsBrowserFullscreen } from './landscapeCall';
+
+const base = { landscapePhone: true, joinedHere: true, chatOpen: false, dismissed: false };
+
+test('[#126] full screen only for a joined call on a sideways phone', () => {
+  assert.equal(shouldGoImmersive(base), true);
+  assert.equal(shouldGoImmersive({ ...base, landscapePhone: false }), false, 'upright / tablet');
+  assert.equal(shouldGoImmersive({ ...base, joinedHere: false }), false, 'prescreen / other room');
+  assert.equal(shouldGoImmersive({ ...base, chatOpen: true }), false, 'chat open');
+  assert.equal(shouldGoImmersive({ ...base, dismissed: true }), false, 'user exited');
+});
+
+test('[#126] browser full screen only in an Android browser tab', () => {
+  const env = {
+    userAgent: 'Mozilla/5.0 (Linux; Android 14; Pixel 8) Chrome/140 Mobile',
+    standalone: false,
+    fullscreenEnabled: true,
+    alreadyFullscreen: false,
+  };
+  assert.equal(wantsBrowserFullscreen(env), true);
+  assert.equal(wantsBrowserFullscreen({ ...env, standalone: true }), false, 'installed app');
+  assert.equal(
+    wantsBrowserFullscreen({
+      ...env,
+      userAgent: 'Mozilla/5.0 (iPhone; CPU iPhone OS 18_0) Safari',
+    }),
+    false,
+    'iPhone',
+  );
+  assert.equal(wantsBrowserFullscreen({ ...env, alreadyFullscreen: true }), false);
+  assert.equal(wantsBrowserFullscreen({ ...env, fullscreenEnabled: false }), false);
+});

src/app/features/call/landscapeCall.ts

@@ -0,0 +1,41 @@
+/**
+ * [Gitea #126] Phone turned sideways in a call: the call takes the whole
+ * screen. A phone in landscape is ~840px wide (the "Tablet" size class), so
+ * the trigger is the shape of the screen, not the size class: landscape, at
+ * most 500px tall, touch input. Tablets and desktops never match.
+ */
+export const LANDSCAPE_PHONE_QUERY =
+  '(orientation: landscape) and (max-height: 500px) and (pointer: coarse)';
+
+/** Controls hide again after this long without a touch on them. */
+export const CONTROLS_AUTOHIDE_MS = 4000;
+
+export type ImmersiveInputs = {
+  landscapePhone: boolean;
+  /** This room's call is the one we are in, and we have joined it. */
+  joinedHere: boolean;
+  /** The in-call chat is open (it replaces the call on small screens). */
+  chatOpen: boolean;
+  /** "Exit full screen" was pressed since the phone was last upright. */
+  dismissed: boolean;
+};
+
+/** Pure: whether the call should be full screen. */
+export const shouldGoImmersive = (i: ImmersiveInputs): boolean =>
+  i.landscapePhone && i.joinedHere && !i.chatOpen && !i.dismissed;
+
+/**
+ * Pure: use the browser's own full-screen mode too? Only where an address bar
+ * takes room: an Android browser tab (not the installed app / iOS, which have
+ * none or don't support it), when the page isn't already full screen.
+ */
+export const wantsBrowserFullscreen = (env: {
+  userAgent: string;
+  standalone: boolean;
+  fullscreenEnabled: boolean;
+  alreadyFullscreen: boolean;
+}): boolean =>
+  /Android/i.test(env.userAgent) &&
+  !env.standalone &&
+  env.fullscreenEnabled &&
+  !env.alreadyFullscreen;

src/app/features/common-settings/general/RoomRetention.tsx

@@ -48,7 +48,7 @@ export function RoomRetention({ permissions }: RoomRetentionProps) {
     >
       <SettingTile
         title="Message Retention"
-        description="Messages older than this window disappear from the timeline. Each member can opt in to permanently delete their own expired messages in Settings → General; full server-side deletion also requires homeserver retention to be configured."
+        description="Messages older than this window disappear from the timeline. Each member can opt in to permanently delete their own expired messages in Settings → Messages; full server-side deletion also requires homeserver retention to be configured."
       >
         <Box gap="200" alignItems="Center" style={{ flexWrap: 'wrap' }}>
           {RETENTION_PRESETS.map((preset) => {

src/app/features/room/Room.tsx

@@ -1,4 +1,4 @@
-import React, { useCallback, useEffect, useRef } from 'react';
+import React, { useCallback, useEffect, useRef, useState } from 'react';
 import { Box, Line } from 'folds';
 import { useParams } from 'react-router-dom';
 import { isKeyHotkey } from 'is-hotkey';
@@ -11,7 +11,6 @@ import { WidgetsPanel } from './widgets/WidgetsPanel';
 import { widgetsPanelAtom } from '../../state/widgetsPanel';
 import { mobileMembersPanelAtom } from '../../state/mobileMembersPanel';
 import { ScreenSize, useScreenSizeContext } from '../../hooks/useScreenSize';
-import { useMediaQuery } from '../../hooks/useMediaQuery';
 import { useSetting } from '../../state/hooks/settings';
 import { settingsAtom } from '../../state/settings';
 import { PowerLevelsContextProvider, usePowerLevels } from '../../hooks/usePowerLevels';
@@ -21,10 +20,12 @@ import { markAsRead } from '../../utils/notifications';
 import { useMatrixClient } from '../../hooks/useMatrixClient';
 import { useRoomMembers } from '../../hooks/useRoomMembers';
 import { CallView } from '../call/CallView';
+import { LANDSCAPE_PHONE_QUERY, shouldGoImmersive } from '../call/landscapeCall';
+import { useMediaQuery } from '../../hooks/useMediaQuery';
 import { RoomViewHeader } from './RoomViewHeader';
-import { callChatAtom } from '../../state/callEmbed';
+import { callChatAtom, immersiveCallAtom } from '../../state/callEmbed';
 import { CallChatView } from './CallChatView';
-import { useCallEmbed } from '../../hooks/useCallEmbed';
+import { useCallEmbed, useCallJoined } from '../../hooks/useCallEmbed';
 import { useCallMembers, useCallSession } from '../../hooks/useCall';
 import { roomIdToActiveThreadIdAtomFamily } from '../../state/room/thread';
 import { threadsListAtom } from '../../state/threadsList';
@@ -57,6 +58,25 @@ export function Room() {
   const powerLevels = usePowerLevels(room);
   const members = useRoomMembers(mx, room.roomId);
   const chat = useAtomValue(callChatAtom);
+  // [Gitea #126] Phone turned sideways in this room's call: full screen.
+  const landscapePhone = useMediaQuery(LANDSCAPE_PHONE_QUERY);
+  const joinedAnywhere = useCallJoined(callEmbed);
+  const [immersiveDismissed, setImmersiveDismissed] = useState(false);
+  useEffect(() => {
+    // "Exit full screen" lasts until the phone is upright again.
+    if (!landscapePhone) setImmersiveDismissed(false);
+  }, [landscapePhone]);
+  const setImmersiveCall = useSetAtom(immersiveCallAtom);
+  const immersive = shouldGoImmersive({
+    landscapePhone,
+    joinedHere: joinedAnywhere && callEmbed?.roomId === room.roomId,
+    chatOpen: chat,
+    dismissed: immersiveDismissed,
+  });
+  useEffect(() => {
+    setImmersiveCall(immersive);
+    return () => setImmersiveCall(false);
+  }, [immersive, setImmersiveCall]);
   // Hoisted here (instead of inside RoomTimeline) so ThreadPanel/ThreadTimeline —
   // rendered as siblings of RoomView, not descendants — share the same computed
   // positions instead of falling back to the context default (Gitea #38).
@@ -170,7 +190,8 @@ export function Room() {
     <PowerLevelsContextProvider value={powerLevels}>
       <ReadPositionsContext.Provider value={readPositions}>
         <Box grow="Yes">
-          {callView && (screenSize === ScreenSize.Desktop || !chat) && (
+          {immersive && <CallView onExitImmersive={() => setImmersiveDismissed(true)} />}
+          {!immersive && callView && (screenSize === ScreenSize.Desktop || !chat) && (
             <Box grow="Yes" direction="Column">
               <RoomViewHeader callView />
               <Box grow="Yes">

src/app/features/room/thread/ThreadPanel.tsx

@@ -128,7 +128,7 @@ export function ThreadPanel({ room, threadId, requestClose }: ThreadPanelProps)
   const editor = useEditor();
   const thread = useThreadInstance(room, threadId);
   const [privateReadReceipts] = useSetting(settingsAtom, 'privateReadReceipts');
-  // "Hide Typing & Read Receipts" must also make thread receipts private (matches markAsRead).
+  // "Hide typing and read receipts" must also make thread receipts private (matches markAsRead).
   const [hideActivity] = useSetting(settingsAtom, 'hideActivity');
   const fileDropContainerRef = useRef<HTMLDivElement>(null) as React.RefObject<HTMLDivElement>;
 

src/app/features/security-nudge/SecurityBanner.tsx

@@ -23,8 +23,11 @@ import {
   nudgeFor,
   NudgeRecord,
   parseNudgeRecord,
-  shouldShowNudge,
+  pickNudge,
+  staleSessions,
+  staleSessionsText,
 } from '../../utils/securityNudge';
+import { preselectSignOutAtom } from '../../state/staleSessions';
 import { StatusStrip } from '../server-status/ServerStatusBanner';
 
 /** This device's backup connection: undefined until known, then true/false. */
@@ -40,6 +43,35 @@ const useBackupActive = (crypto: CryptoApi): boolean | undefined => {
   return active;
 };
 
+/**
+ * [Gitea #113] Ids of this account's sessions unused for 90+ days. Fetched
+ * once sync has settled, then hourly; [] until known or on error.
+ */
+const useStaleSessionIds = (enabled: boolean): string[] => {
+  const mx = useMatrixClient();
+  const alive = useAlive();
+  const [ids, setIds] = useState<string[]>([]);
+  useEffect(() => {
+    if (!enabled) return undefined;
+    const load = () =>
+      mx
+        .getDevices()
+        .then(({ devices }) => {
+          if (alive())
+            setIds(
+              staleSessions(devices, mx.getDeviceId() ?? undefined, Date.now()).map(
+                (d) => d.device_id,
+              ),
+            );
+        })
+        .catch(() => undefined);
+    load();
+    const t = window.setInterval(load, 60 * 60 * 1000);
+    return () => window.clearInterval(t);
+  }, [mx, enabled, alive]);
+  return ids;
+};
+
 const readRecord = (key: string): NudgeRecord => {
   let raw: string | null = null;
   try {
@@ -84,12 +116,15 @@ function SecurityBannerFor({ crypto }: { crypto: CryptoApi }) {
   let deviceVerified: boolean | undefined;
   if (status === VerificationStatus.Verified) deviceVerified = true;
   else if (status === VerificationStatus.Unverified) deviceVerified = false;
-  const kind = nudgeFor({
+  const securityKind = nudgeFor({
     crossSigning,
     deviceVerified,
     backupOnServer: backupInfo === undefined ? undefined : backupInfo !== null,
     backupActive,
   });
+  const staleIds = useStaleSessionIds(settled);
+  const setPreselect = useSetAtom(preselectSignOutAtom);
+  const kind = pickNudge(securityKind, staleIds.length, record, Date.now());
 
   // One strip at a time: outages, maintenance and a lost connection win.
   // [Gitea #307] Pass what the user dismissed: a dismissed announcement isn't
@@ -97,10 +132,12 @@ function SecurityBannerFor({ crypto }: { crypto: CryptoApi }) {
   const otherStrip =
     syncLost ||
     !!pickBanner(serverStatus, { syncLost, where: 'client', dismissed: new Set(statusDismissed) });
-  if (!settled || !deviceId || !kind || otherStrip || !shouldShowNudge(kind, record, Date.now()))
-    return null;
+  if (!settled || !deviceId || !kind || otherStrip) return null;
 
-  const copy = NUDGE_COPY[kind];
+  const copy =
+    kind === 'stale-sessions'
+      ? { ...NUDGE_COPY[kind], text: staleSessionsText(staleIds.length) }
+      : NUDGE_COPY[kind];
   const dismiss = () => {
     const next = dismissNudge(kind, record, Date.now());
     try {
@@ -113,8 +150,15 @@ function SecurityBannerFor({ crypto }: { crypto: CryptoApi }) {
   return (
     <StatusStrip
       banner={{ key: kind, tone: 'Primary', text: copy.text, dismissable: true }}
-      icon={Icons.ShieldUser}
-      action={{ label: copy.action, onClick: () => requestSettings('devices') }}
+      action={{
+        label: copy.action,
+        onClick: () => {
+          // Review: the Devices page opens with these ticked for sign-out.
+          if (kind === 'stale-sessions') setPreselect(staleIds);
+          requestSettings('devices');
+        },
+      }}
+      icon={kind === 'stale-sessions' ? Icons.Category : Icons.ShieldUser}
       dismissLabel="Not now"
       onDismiss={dismiss}
     />

src/app/features/settings/Settings.tsx

@@ -15,7 +15,16 @@ import {
   Text,
 } from 'folds';
 import FocusTrap from 'focus-trap-react';
-import { General } from './general';
+import {
+  AdvancedDisplayOptions,
+  AppearancePage,
+  CallsPage,
+  DataStoragePage,
+  DesktopPage,
+  MessagesPage,
+  Privacy,
+} from './general';
+import { isTauri as isTauriEnv } from '../../hooks/useTauri';
 import { PageNav, PageNavContent, PageNavHeader, PageRoot } from '../../components/page';
 import { ScreenSize, useScreenSizeContext } from '../../hooks/useScreenSize';
 import { Account } from './account';
@@ -45,43 +54,23 @@ type SettingsMenuItem = {
 
 const useSettingsMenuItems = (): SettingsMenuItem[] =>
   useMemo(
-    () => [
-      {
-        page: SettingsPages.GeneralPage,
-        name: 'General',
-        icon: Icons.Setting,
-      },
-      {
-        page: SettingsPages.AccountPage,
-        name: 'Account',
-        icon: Icons.User,
-      },
-      {
-        page: SettingsPages.NotificationPage,
-        name: 'Notifications',
-        icon: Icons.Bell,
-      },
-      {
-        page: SettingsPages.DevicesPage,
-        name: 'Devices',
-        icon: Icons.Monitor,
-      },
-      {
-        page: SettingsPages.EmojisStickersPage,
-        name: 'Emojis & Stickers',
-        icon: Icons.Smile,
-      },
-      {
-        page: SettingsPages.DeveloperToolsPage,
-        name: 'Developer Tools',
-        icon: Icons.Terminal,
-      },
-      {
-        page: SettingsPages.AboutPage,
-        name: 'About',
-        icon: Icons.Info,
-      },
-    ],
+    () =>
+      [
+        { page: SettingsPages.AccountPage, name: 'Account', icon: Icons.User },
+        { page: SettingsPages.AppearancePage, name: 'Appearance', icon: Icons.Sun },
+        { page: SettingsPages.MessagesPage, name: 'Messages', icon: Icons.Message },
+        { page: SettingsPages.NotificationPage, name: 'Notifications', icon: Icons.Bell },
+        { page: SettingsPages.CallsPage, name: 'Calls & audio', icon: Icons.Phone },
+        { page: SettingsPages.DevicesPage, name: 'Privacy & security', icon: Icons.ShieldUser },
+        { page: SettingsPages.DataStoragePage, name: 'Data & storage', icon: Icons.Download },
+        // [Gitea #459] Desktop-only options: nothing to show in a browser.
+        ...(isTauriEnv()
+          ? [{ page: SettingsPages.DesktopPage, name: 'Desktop', icon: Icons.Monitor }]
+          : []),
+        { page: SettingsPages.EmojisStickersPage, name: 'Emojis & stickers', icon: Icons.Smile },
+        { page: SettingsPages.DeveloperToolsPage, name: 'Advanced', icon: Icons.Terminal },
+        { page: SettingsPages.AboutPage, name: 'About', icon: Icons.Info },
+      ] as SettingsMenuItem[],
     [],
   );
 
@@ -102,7 +91,7 @@ export function Settings({ initialPage, requestClose }: SettingsProps) {
   const screenSize = useScreenSizeContext();
   const [activePage, setActivePage] = useState<SettingsPages | undefined>(() => {
     if (initialPage) return initialPage;
-    return screenSize === ScreenSize.Mobile ? undefined : SettingsPages.GeneralPage;
+    return screenSize === ScreenSize.Mobile ? undefined : SettingsPages.AccountPage;
   });
   const menuItems = useSettingsMenuItems();
 
@@ -207,8 +196,20 @@ export function Settings({ initialPage, requestClose }: SettingsProps) {
         )
       }
     >
-      {activePage === SettingsPages.GeneralPage && (
-        <General requestClose={handlePageRequestClose} />
+      {activePage === SettingsPages.AppearancePage && (
+        <AppearancePage requestClose={handlePageRequestClose} />
+      )}
+      {activePage === SettingsPages.MessagesPage && (
+        <MessagesPage requestClose={handlePageRequestClose} />
+      )}
+      {activePage === SettingsPages.CallsPage && (
+        <CallsPage requestClose={handlePageRequestClose} />
+      )}
+      {activePage === SettingsPages.DataStoragePage && (
+        <DataStoragePage requestClose={handlePageRequestClose} />
+      )}
+      {activePage === SettingsPages.DesktopPage && (
+        <DesktopPage requestClose={handlePageRequestClose} />
       )}
       {activePage === SettingsPages.AccountPage && (
         <Account requestClose={handlePageRequestClose} />
@@ -217,13 +218,21 @@ export function Settings({ initialPage, requestClose }: SettingsProps) {
         <Notifications requestClose={handlePageRequestClose} />
       )}
       {activePage === SettingsPages.DevicesPage && (
-        <Devices requestClose={handlePageRequestClose} />
+        <Devices
+          title="Privacy & security"
+          before={<Privacy />}
+          requestClose={handlePageRequestClose}
+        />
       )}
       {activePage === SettingsPages.EmojisStickersPage && (
         <EmojisStickers requestClose={handlePageRequestClose} />
       )}
       {activePage === SettingsPages.DeveloperToolsPage && (
-        <DeveloperTools requestClose={handlePageRequestClose} />
+        <DeveloperTools
+          title="Advanced"
+          before={<AdvancedDisplayOptions />}
+          requestClose={handlePageRequestClose}
+        />
       )}
       {activePage === SettingsPages.AboutPage && <About requestClose={handlePageRequestClose} />}
     </PageRoot>

src/app/features/settings/about/About.tsx

@@ -205,7 +205,7 @@ export function About({ requestClose }: AboutProps) {
                   gap="400"
                 >
                   <SettingTile
-                    title="Clear Cache & Reload"
+                    title="Clear cache and reload"
                     description="Clear all your locally stored data and reload from server. This also deletes this device's encryption keys — older encrypted messages stay unreadable here unless key backup is set up."
                     after={
                       <Button

src/app/features/settings/account/ContactInfo.tsx

@@ -22,14 +22,14 @@ export function ContactInformation() {
 
   return (
     <Box direction="Column" gap="100">
-      <Text size="L400">Contact Information</Text>
+      <Text size="L400">Contact information</Text>
       <SequenceCard
         className={SequenceCardStyle}
         variant="SurfaceVariant"
         direction="Column"
         gap="400"
       >
-        <SettingTile title="Email Address" description="Email address attached to your account.">
+        <SettingTile title="Email address" description="Email address attached to your account.">
           <Box>
             {emailIds?.map((email) => (
               <Chip key={email.address} as="span" variant="Secondary" radii="Pill">

src/app/features/settings/account/IgnoredUserList.tsx

@@ -136,7 +136,7 @@ export function IgnoredUserList() {
   return (
     <Box direction="Column" gap="100">
       <Box alignItems="Center" justifyContent="SpaceBetween" gap="200">
-        <Text size="L400">Blocked Users</Text>
+        <Text size="L400">Blocked users</Text>
       </Box>
       <SequenceCard
         className={SequenceCardStyle}
@@ -145,8 +145,8 @@ export function IgnoredUserList() {
         gap="400"
       >
         <SettingTile
-          title="Select User"
-          description="Prevent receiving messages or invites from user by adding their userId."
+          title="Block someone"
+          description="Stop someone's messages and invites reaching you. Enter their Matrix ID, e.g. @name:server."
         >
           <Box direction="Column" gap="300">
             <IgnoreUserInput userList={ignoredUsers} />

src/app/features/settings/account/OidcManageAccount.tsx

@@ -31,7 +31,7 @@ export function OidcManageAccount() {
 
   return (
     <Box direction="Column" gap="100">
-      <Text size="L400">Account Management</Text>
+      <Text size="L400">Account management</Text>
       <SequenceCard
         className={SequenceCardStyle}
         variant="SurfaceVariant"

src/app/features/settings/account/Profile.tsx

@@ -313,7 +313,7 @@ function ProfileDisplayName({ profile, userId }: ProfileProps) {
     <SettingTile
       title={
         <Text as="span" size="L400">
-          Display Name
+          Display name
         </Text>
       }
     >
@@ -576,7 +576,7 @@ function ProfileStatus() {
     <SettingTile
       title={
         <Text as="span" size="L400">
-          Status Message
+          Status message
         </Text>
       }
       description={

src/app/features/settings/account/ProfileDecoration.tsx

@@ -102,6 +102,8 @@ export function ProfileDecoration() {
 
   const [current, setCurrent] = useState<string | null>(null);
   const [selected, setSelected] = useState<string | null>(null);
+  // [Gitea #460] The catalog stays closed until "Change"; it was always open.
+  const [browsing, setBrowsing] = useState(false);
   // Distinguish "confirmed no decoration" from "failed to load": a fetch
   // failure must not be shown as (and saved over) "None".
   const [loadError, setLoadError] = useState(false);
@@ -199,7 +201,7 @@ export function ProfileDecoration() {
     <SettingTile
       title={
         <Text as="span" size="L400">
-          Avatar Decoration
+          Avatar decoration
         </Text>
       }
       description={
@@ -282,6 +284,20 @@ export function ProfileDecoration() {
               </Button>
             )}
           </Box>
+          {!loadError && (
+            <Button
+              type="button"
+              size="300"
+              radii="300"
+              variant="Secondary"
+              fill="Soft"
+              outlined
+              aria-expanded={browsing}
+              onClick={() => setBrowsing((b) => !b)}
+            >
+              <Text size="B300">{browsing ? 'Done' : 'Change'}</Text>
+            </Button>
+          )}
           {hasChanges && !loadError && (
             <Button
               type="button"
@@ -324,73 +340,77 @@ export function ProfileDecoration() {
           </Text>
         )}
 
-        {/* Search + category tabs. Only one category (or the search results)
+        {browsing && (
+          <>
+            {/* Search + category tabs. Only one category (or the search results)
             is mounted at a time so the picker never loads the whole catalog. */}
-        <Input
-          aria-label="Search decorations"
-          placeholder="Search decorations"
-          value={search}
-          onChange={(e: ChangeEvent<HTMLInputElement>) => setSearch(e.target.value)}
-          variant="Secondary"
-          size="400"
-          radii="300"
-          before={<Icon size="100" src={Icons.Search} />}
-        />
-        {!query && (
-          <Box gap="100" wrap="Wrap" role="tablist" aria-label="Decoration categories">
-            {DECORATION_CATEGORIES.map((category) => (
-              <Chip
-                key={category.id}
-                type="button"
-                role="tab"
-                aria-selected={category.id === activeCategory}
-                variant={category.id === activeCategory ? 'Primary' : 'Secondary'}
-                fill="Soft"
-                outlined={category.id === activeCategory}
-                radii="Pill"
-                onClick={() => setActiveCategory(category.id)}
-              >
-                <Text as="span" size="B300">
-                  {category.label}
-                </Text>
-              </Chip>
-            ))}
-          </Box>
-        )}
-        <div
-          role={query ? undefined : 'tabpanel'}
-          style={{
-            maxHeight: 360,
-            overflowY: 'auto',
-            overflowX: 'hidden',
-            paddingRight: 4,
-          }}
-        >
-          {visible.length === 0 ? (
-            <Text size="T300" priority="300">
-              No decorations match “{search.trim()}”.
-            </Text>
-          ) : (
+            <Input
+              aria-label="Search decorations"
+              placeholder="Search decorations"
+              value={search}
+              onChange={(e: ChangeEvent<HTMLInputElement>) => setSearch(e.target.value)}
+              variant="Secondary"
+              size="400"
+              radii="300"
+              before={<Icon size="100" src={Icons.Search} />}
+            />
+            {!query && (
+              <Box gap="100" wrap="Wrap" role="tablist" aria-label="Decoration categories">
+                {DECORATION_CATEGORIES.map((category) => (
+                  <Chip
+                    key={category.id}
+                    type="button"
+                    role="tab"
+                    aria-selected={category.id === activeCategory}
+                    variant={category.id === activeCategory ? 'Primary' : 'Secondary'}
+                    fill="Soft"
+                    outlined={category.id === activeCategory}
+                    radii="Pill"
+                    onClick={() => setActiveCategory(category.id)}
+                  >
+                    <Text as="span" size="B300">
+                      {category.label}
+                    </Text>
+                  </Chip>
+                ))}
+              </Box>
+            )}
             <div
+              role={query ? undefined : 'tabpanel'}
               style={{
-                display: 'grid',
-                gridTemplateColumns: `repeat(auto-fill, ${CELL_SIZE}px)`,
-                gap: 20,
-                padding: 2,
+                maxHeight: 360,
+                overflowY: 'auto',
+                overflowX: 'hidden',
+                paddingRight: 4,
               }}
             >
-              {visible.map((d) => (
-                <DecorationPreviewCell
-                  key={d.slug}
-                  slug={d.slug}
-                  name={d.name}
-                  selected={selected === d.slug}
-                  onSelect={handleSelect}
-                />
-              ))}
+              {visible.length === 0 ? (
+                <Text size="T300" priority="300">
+                  No decorations match “{search.trim()}”.
+                </Text>
+              ) : (
+                <div
+                  style={{
+                    display: 'grid',
+                    gridTemplateColumns: `repeat(auto-fill, ${CELL_SIZE}px)`,
+                    gap: 20,
+                    padding: 2,
+                  }}
+                >
+                  {visible.map((d) => (
+                    <DecorationPreviewCell
+                      key={d.slug}
+                      slug={d.slug}
+                      name={d.name}
+                      selected={selected === d.slug}
+                      onSelect={handleSelect}
+                    />
+                  ))}
+                </div>
+              )}
             </div>
-          )}
-        </div>
+          </>
+        )}
       </Box>
     </SettingTile>
   );

src/app/features/settings/developer-tools/DevelopTools.tsx

@@ -1,4 +1,4 @@
-import React, { useCallback, useState } from 'react';
+import React, { useCallback, useState, ReactNode } from 'react';
 import { Box, Text, IconButton, Icon, Icons, Scroll, Switch, Button } from 'folds';
 import { Page, PageContent, PageHeader } from '../../../components/page';
 import { SequenceCard } from '../../../components/sequence-card';
@@ -18,8 +18,12 @@ import { CryptoDiagnostics } from '../developer/CryptoDiagnostics';
 
 type DeveloperToolsProps = {
   requestClose: () => void;
+  /** [Gitea #459] Shown as the page title (the menu entry's name). */
+  title?: string;
+  /** [Gitea #459] Sections shown above this page's own. */
+  before?: ReactNode;
 };
-export function DeveloperTools({ requestClose }: DeveloperToolsProps) {
+export function DeveloperTools({ requestClose, title, before }: DeveloperToolsProps) {
   const mx = useMatrixClient();
   const [developerTools, setDeveloperTools] = useSetting(settingsAtom, 'developerTools');
   const [expand, setExpend] = useState(false);
@@ -49,7 +53,7 @@ export function DeveloperTools({ requestClose }: DeveloperToolsProps) {
         <Box grow="Yes" gap="200">
           <Box grow="Yes" alignItems="Center" gap="200">
             <Text size="H3" truncate>
-              Developer Tools
+              {title ?? 'Developer Tools'}
             </Text>
           </Box>
           <Box shrink="No">
@@ -63,6 +67,7 @@ export function DeveloperTools({ requestClose }: DeveloperToolsProps) {
         <Scroll hideTrack visibility="Hover">
           <PageContent>
             <Box direction="Column" gap="700">
+              {before}
               <Box direction="Column" gap="100">
                 <Text size="L400">Options</Text>
                 <SequenceCard
@@ -72,7 +77,7 @@ export function DeveloperTools({ requestClose }: DeveloperToolsProps) {
                   gap="400"
                 >
                   <SettingTile
-                    title="Enable Developer Tools"
+                    title="Enable developer tools"
                     after={
                       <Switch
                         variant="Primary"
@@ -90,7 +95,7 @@ export function DeveloperTools({ requestClose }: DeveloperToolsProps) {
                     gap="400"
                   >
                     <SettingTile
-                      title="Access Token"
+                      title="Access token"
                       description="Copy access token to clipboard."
                       after={
                         <Button

src/app/features/settings/developer/CryptoDiagnostics.tsx

@@ -35,7 +35,7 @@ export function CryptoDiagnostics() {
 
   return (
     <Box direction="Column" gap="100">
-      <Text size="L400">Crypto Diagnostics</Text>
+      <Text size="L400">Crypto diagnostics</Text>
       <SequenceCard
         className={SequenceCardStyle}
         variant="SurfaceVariant"
@@ -43,8 +43,8 @@ export function CryptoDiagnostics() {
         gap="400"
       >
         <SettingTile
-          title="Crypto Diagnostics — captures E2EE error signatures this session"
-          description="Ring-buffers up to 200 matched console warnings/errors for the KE-1..KE-4 bug cluster. Local only — no network calls. The downloaded report includes the matched log lines as evidence."
+          title="Crypto diagnostics"
+          description="Captures encryption error signatures from this session. Ring-buffers up to 200 matched console warnings/errors for the KE-1..KE-4 bug cluster. Local only — no network calls. The downloaded report includes the matched log lines as evidence."
           after={
             <Box alignItems="Center" gap="200" shrink="No">
               <Badge variant={count > 0 ? 'Critical' : 'Secondary'} fill="Solid" radii="Pill">

src/app/features/settings/devices/DeviceTile.tsx

@@ -137,7 +137,7 @@ function DeviceRename({ device, onCancel, onRename, refreshDeviceList }: DeviceR
 
   return (
     <Box as="form" onSubmit={handleSubmit} direction="Column" gap="100">
-      <Text size="L400">Device Name</Text>
+      <Text size="L400">Device name</Text>
       <Box gap="200">
         <Box grow="Yes" direction="Column">
           <Input

src/app/features/settings/devices/Devices.tsx

@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { ReactNode } from 'react';
 import { Box, Text, IconButton, Icon, Icons, Scroll } from 'folds';
 import { Page, PageContent, PageHeader } from '../../../components/page';
 import { SequenceCard } from '../../../components/sequence-card';
@@ -38,8 +38,12 @@ function DevicesPlaceholder() {
 
 type DevicesProps = {
   requestClose: () => void;
+  /** [Gitea #459] Shown as the page title (the menu entry's name). */
+  title?: string;
+  /** [Gitea #459] Sections shown above this page's own. */
+  before?: ReactNode;
 };
-export function Devices({ requestClose }: DevicesProps) {
+export function Devices({ requestClose, title, before }: DevicesProps) {
   const mx = useMatrixClient();
   const crypto = mx.getCrypto();
   const crossSigningActive = useCrossSigningActive();
@@ -70,7 +74,7 @@ export function Devices({ requestClose }: DevicesProps) {
         <Box grow="Yes" gap="200">
           <Box grow="Yes" alignItems="Center" gap="200">
             <Text size="H3" truncate>
-              Devices
+              {title ?? 'Devices'}
             </Text>
           </Box>
           <Box shrink="No">
@@ -84,6 +88,7 @@ export function Devices({ requestClose }: DevicesProps) {
         <Scroll hideTrack visibility="Hover">
           <PageContent>
             <Box direction="Column" gap="700">
+              {before}
               <Box direction="Column" gap="100">
                 <Text size="L400">Security</Text>
                 <SequenceCard
@@ -93,8 +98,8 @@ export function Devices({ requestClose }: DevicesProps) {
                   gap="400"
                 >
                   <SettingTile
-                    title="Device Verification"
-                    description="To verify device identity and grant access to encrypted messages."
+                    title="Device verification"
+                    description="Verify this device so it can read your encrypted messages and others can trust it."
                     after={
                       <>
                         <EnableVerification visible={!crossSigningActive} />

src/app/features/settings/devices/LocalBackup.tsx

@@ -67,7 +67,7 @@ function ExportKeys() {
             {(match, doMatch, passRef, confPassRef) => (
               <>
                 <Box grow="Yes" direction="Column" gap="100">
-                  <Text size="L400">New Password</Text>
+                  <Text size="L400">New password</Text>
                   <PasswordInput
                     ref={passRef}
                     name="passwordInput"
@@ -82,7 +82,7 @@ function ExportKeys() {
                   />
                 </Box>
                 <Box grow="Yes" direction="Column" gap="100">
-                  <Text size="L400">Confirm Password</Text>
+                  <Text size="L400">Confirm password</Text>
                   <PasswordInput
                     ref={confPassRef}
                     style={{ color: match ? undefined : color.Critical.Main }}
@@ -130,8 +130,8 @@ function ExportKeysTile() {
   return (
     <>
       <SettingTile
-        title="Export Messages Data"
-        description="Save password protected copy of encryption data on your device to decrypt messages later."
+        title="Export encryption keys"
+        description="Save a password-protected file of your encryption keys. Useful when moving to a device without key backup, or as an offline copy."
         after={
           <Box>
             <Button
@@ -260,8 +260,8 @@ function ImportKeysTile() {
   return (
     <>
       <SettingTile
-        title="Import Messages Data"
-        description="Load password protected copy of encryption data from device to decrypt your messages."
+        title="Import encryption keys"
+        description="Load a password-protected encryption key file to read older encrypted messages on this device."
         after={
           <Box>
             {file ? (
@@ -307,7 +307,7 @@ function ImportKeysTile() {
 export function LocalBackup() {
   return (
     <Box direction="Column" gap="100">
-      <Text size="L400">Local Backup</Text>
+      <Text size="L400">Encryption key backup file</Text>
       <SequenceCard
         className={SequenceCardStyle}
         variant="SurfaceVariant"

src/app/features/settings/devices/OtherDevices.tsx

@@ -1,4 +1,5 @@
-import React, { useCallback, useState } from 'react';
+import React, { useCallback, useEffect, useState } from 'react';
+import { useAtom } from 'jotai';
 import { Box, Button, config, Menu, Spinner, Text } from 'folds';
 import { AuthDict, IMyDevice, MatrixError } from 'matrix-js-sdk';
 import { SequenceCard } from '../../../components/sequence-card';
@@ -15,6 +16,8 @@ import { useAuthMetadata } from '../../../hooks/useAuthMetadata';
 import { withSearchParam } from '../../../pages/pathUtils';
 import { useAccountManagementActions } from '../../../hooks/useAccountManagement';
 import { SettingTile } from '../../../components/setting-tile';
+import { preselectSignOutAtom } from '../../../state/staleSessions';
+import { staleSessions } from '../../../utils/securityNudge';
 
 type OtherDevicesProps = {
   devices: IMyDevice[];
@@ -29,6 +32,23 @@ export function OtherDevices({ devices, refreshDeviceList, showVerification }: O
 
   const [deleted, setDeleted] = useState<Set<string>>(new Set());
 
+  // [Gitea #113] The stale-sessions nudge's Review: tick those sessions for
+  // sign-out (one confirm below). OIDC accounts sign out on the provider's
+  // dashboard instead, so nothing is ticked there.
+  const [preselect, setPreselect] = useAtom(preselectSignOutAtom);
+  useEffect(() => {
+    if (preselect.length === 0) return;
+    if (!authMetadata) {
+      const present = new Set(devices.map((d) => d.device_id));
+      setDeleted(new Set(preselect.filter((id) => present.has(id))));
+    }
+    setPreselect([]);
+  }, [preselect, setPreselect, devices, authMetadata]);
+
+  const staleIds = new Set(
+    staleSessions(devices, mx.getDeviceId() ?? undefined, Date.now()).map((d) => d.device_id),
+  );
+
   const handleDashboardOIDC = useCallback(() => {
     const authUrl = authMetadata?.account_management_uri ?? authMetadata?.issuer;
     if (!authUrl) return;
@@ -115,7 +135,7 @@ export function OtherDevices({ devices, refreshDeviceList, showVerification }: O
             gap="400"
           >
             <SettingTile
-              title="Device Dashboard"
+              title="Device dashboard"
               description="Manage your devices on OIDC dashboard."
               after={
                 <Button
@@ -132,8 +152,20 @@ export function OtherDevices({ devices, refreshDeviceList, showVerification }: O
             />
           </SequenceCard>
         )}
-        {devices
+        {staleIds.size > 0 && (
+          <Text size="T200" priority="300">
+            {staleIds.size === 1
+              ? "1 session hasn't been used in 3 months or more (marked Inactive)."
+              : `${staleIds.size} sessions haven't been used in 3 months or more (marked Inactive).`}{' '}
+            Sign out the ones you no longer use.
+          </Text>
+        )}
+        {[...devices]
+          // [Gitea #113] Inactive (90+ days) sessions first, then most recent.
           .sort((d1, d2) => {
+            const s1 = staleIds.has(d1.device_id) ? 0 : 1;
+            const s2 = staleIds.has(d2.device_id) ? 0 : 1;
+            if (s1 !== s2) return s1 - s2;
             if (!d1.last_seen_ts || !d2.last_seen_ts) return 0;
             return d1.last_seen_ts < d2.last_seen_ts ? 1 : -1;
           })
@@ -145,6 +177,11 @@ export function OtherDevices({ devices, refreshDeviceList, showVerification }: O
               direction="Column"
               gap="400"
             >
+              {staleIds.has(device.device_id) && (
+                <Text size="L400" style={{ color: 'inherit' }}>
+                  Inactive for 3+ months
+                </Text>
+              )}
               <DeviceTile
                 device={device}
                 deleted={deleted.has(device.device_id)}

src/app/features/settings/emojis-stickers/GlobalPacks.tsx

@@ -423,7 +423,7 @@ export function GlobalPacks({ onViewPack }: GlobalPacksProps) {
   return (
     <>
       <Box direction="Column" gap="100">
-        <Text size="L400">Favorite Packs</Text>
+        <Text size="L400">Favourite packs</Text>
         <SequenceCard
           className={SequenceCardStyle}
           variant="SurfaceVariant"
@@ -431,7 +431,7 @@ export function GlobalPacks({ onViewPack }: GlobalPacksProps) {
           gap="400"
         >
           <SettingTile
-            title="Select Pack"
+            title="Add a pack"
             description="Pick emojis and stickers pack from rooms to use in all rooms."
             after={
               <>

src/app/features/settings/emojis-stickers/UserPack.tsx

@@ -31,7 +31,7 @@ export function UserPack({ onViewPack }: UserPackProps) {
 
   return (
     <Box direction="Column" gap="100">
-      <Text size="L400">Default Pack</Text>
+      <Text size="L400">Default pack</Text>
       <SequenceCard
         className={SequenceCardStyle}
         variant="SurfaceVariant"

src/app/features/settings/general/YourData.tsx

@@ -0,0 +1,287 @@
+import React, { useCallback, useRef, useState } from 'react';
+import { useAtom } from 'jotai';
+import { Method } from 'matrix-js-sdk';
+import { Box, Button, RadioButton, Text, color } from 'folds';
+import { SequenceCard } from '../../../components/sequence-card';
+import { SequenceCardStyle } from '../styles.css';
+import { SettingTile } from '../../../components/setting-tile';
+import { useMatrixClient } from '../../../hooks/useMatrixClient';
+import { Settings, settingsAtom } from '../../../state/settings';
+import {
+  buildExport,
+  EXPORT_ACCOUNT_DATA,
+  ExportFile,
+  ImportPlanItem,
+  mergeData,
+  parseExport,
+  planImport,
+} from '../../../utils/dataExport';
+import { invalidateDecorationCache } from '../../../hooks/useAvatarDecoration';
+
+const DECORATION_FIELD = 'io.lotus.avatar_decoration';
+
+type Current = {
+  accountData: Record<string, unknown>;
+  decoration: string | null;
+  localSettings: Record<string, unknown> | null;
+};
+
+/**
+ * [Gitea #114] "Your data": export the account's Lotus data (settings,
+ * bookmarks, notes, sections, ...) to a file and import it here or on another
+ * account. Import merges: new things are added; for things that differ the
+ * user picks "keep mine" (default) or "use the file's". Message history and
+ * encryption keys have their own exports.
+ */
+export function YourDataSection() {
+  const mx = useMatrixClient();
+  const userId = mx.getSafeUserId();
+  const [settings, setSettings] = useAtom(settingsAtom);
+  const fileInput = useRef<HTMLInputElement>(null);
+  const [pending, setPending] = useState<{ file: ExportFile; plan: ImportPlanItem[] }>();
+  const [preferFile, setPreferFile] = useState(false);
+  const [message, setMessage] = useState<{ tone: 'ok' | 'error'; text: string }>();
+  const [busy, setBusy] = useState(false);
+
+  const readCurrent = useCallback(async (): Promise<Current> => {
+    const accountData: Record<string, unknown> = {};
+    EXPORT_ACCOUNT_DATA.forEach(({ type }) => {
+      const c = mx.getAccountData(type as never)?.getContent();
+      if (c && Object.keys(c).length > 0) accountData[type] = c;
+    });
+    let decoration: string | null = null;
+    try {
+      const profile = await mx.http.authedRequest<Record<string, unknown>>(
+        Method.Get,
+        `/profile/${encodeURIComponent(userId)}`,
+      );
+      const v = profile[DECORATION_FIELD];
+      decoration = typeof v === 'string' && v ? v : null;
+    } catch {
+      /* no decoration */
+    }
+    return {
+      accountData,
+      decoration,
+      localSettings: settings as unknown as Record<string, unknown>,
+    };
+  }, [mx, userId, settings]);
+
+  const exportData = async () => {
+    setBusy(true);
+    setMessage(undefined);
+    try {
+      const cur = await readCurrent();
+      const file = buildExport({ userId, ...cur });
+      const blob = new Blob([JSON.stringify(file, null, 2)], { type: 'application/json' });
+      const url = URL.createObjectURL(blob);
+      const a = document.createElement('a');
+      a.href = url;
+      a.download = `lotus-chat-data-${userId.replace(/[^a-z0-9]+/gi, '-')}-${file.exportedAt.slice(0, 10)}.json`;
+      a.click();
+      URL.revokeObjectURL(url);
+      setMessage({ tone: 'ok', text: 'Exported. Keep the file somewhere safe.' });
+    } catch {
+      setMessage({ tone: 'error', text: "Couldn't export your data. Please try again." });
+    } finally {
+      setBusy(false);
+    }
+  };
+
+  const chooseFile = async (f: File | undefined) => {
+    if (!f) return;
+    setMessage(undefined);
+    const parsed = parseExport(await f.text());
+    if (!parsed.ok) {
+      setMessage({ tone: 'error', text: parsed.error });
+      return;
+    }
+    const plan = planImport(parsed.file, await readCurrent());
+    setPreferFile(false);
+    setPending({ file: parsed.file, plan });
+  };
+
+  const applyImport = async () => {
+    if (!pending) return;
+    setBusy(true);
+    try {
+      const cur = await readCurrent();
+      const { file } = pending;
+      await Object.entries(file.accountData).reduce<Promise<void>>(
+        async (prev, [type, incoming]) => {
+          await prev;
+          const r = mergeData(cur.accountData[type], incoming, preferFile);
+          if (r.added > 0 || (preferFile && r.conflicts > 0)) {
+            await mx.setAccountData(type as never, r.value as never);
+          }
+        },
+        Promise.resolve(),
+      );
+      const deco = file.profile.decoration;
+      if (deco && deco !== cur.decoration && (!cur.decoration || preferFile)) {
+        await mx.http.authedRequest(
+          Method.Put,
+          `/profile/${encodeURIComponent(userId)}/${DECORATION_FIELD}`,
+          undefined,
+          { [DECORATION_FIELD]: deco },
+        );
+        invalidateDecorationCache(userId);
+      }
+      if (file.local.settings) {
+        const r = mergeData(cur.localSettings ?? {}, file.local.settings, preferFile);
+        setSettings({ ...settings, ...(r.value as Partial<Settings>) });
+      }
+      setPending(undefined);
+      setMessage({ tone: 'ok', text: 'Imported.' });
+    } catch {
+      setMessage({ tone: 'error', text: "Couldn't finish the import. Nothing else was changed." });
+    } finally {
+      setBusy(false);
+    }
+  };
+
+  const totals = pending?.plan.reduce(
+    (t, p) => ({ added: t.added + p.added, conflicts: t.conflicts + p.conflicts }),
+    { added: 0, conflicts: 0 },
+  );
+
+  return (
+    <Box direction="Column" gap="100">
+      <Text size="L400">Your data</Text>
+      <SequenceCard
+        className={SequenceCardStyle}
+        variant="SurfaceVariant"
+        direction="Column"
+        gap="400"
+      >
+        <SettingTile
+          title="Export your data"
+          description="Settings, bookmarks, private notes, room sections and names, reminders, status presets, soundboard and emoji, as one file. Not your messages or encryption keys (they have their own exports)."
+          after={
+            <Button
+              size="300"
+              variant="Secondary"
+              fill="Soft"
+              radii="300"
+              outlined
+              disabled={busy}
+              onClick={exportData}
+            >
+              <Text size="B300">Export</Text>
+            </Button>
+          }
+        />
+        <SettingTile
+          title="Import data"
+          description="Load a Lotus Chat data file into this account. New items are added; you choose what happens to things that differ."
+          after={
+            <Button
+              size="300"
+              variant="Secondary"
+              fill="Soft"
+              radii="300"
+              outlined
+              disabled={busy}
+              onClick={() => fileInput.current?.click()}
+            >
+              <Text size="B300">Import…</Text>
+            </Button>
+          }
+        />
+        <input
+          ref={fileInput}
+          type="file"
+          accept="application/json,.json"
+          hidden
+          aria-label="Lotus Chat data file"
+          onChange={(e) => {
+            chooseFile(e.target.files?.[0]).catch(() => undefined);
+            e.target.value = '';
+          }}
+        />
+        {pending && totals && (
+          <Box direction="Column" gap="200" role="region" aria-label="Import summary">
+            {pending.file.userId && pending.file.userId !== userId && (
+              <Text size="T200">
+                This file is from <b>{pending.file.userId}</b>.
+              </Text>
+            )}
+            {pending.plan.map((p) => (
+              <Text key={p.key} size="T200">
+                {p.label}:{' '}
+                {p.added === 0 && p.conflicts === 0
+                  ? 'already up to date'
+                  : [p.added > 0 && `${p.added} new`, p.conflicts > 0 && `${p.conflicts} differ`]
+                      .filter(Boolean)
+                      .join(', ')}
+              </Text>
+            ))}
+            {totals.conflicts > 0 && (
+              <Box direction="Column" gap="100" role="radiogroup" aria-label="Things that differ">
+                <Text size="T200">
+                  <b>{totals.conflicts}</b>{' '}
+                  {totals.conflicts === 1 ? 'thing differs' : 'things differ'} from what&apos;s
+                  here:
+                </Text>
+                <label>
+                  <RadioButton
+                    name="your-data-conflicts"
+                    variant="Primary"
+                    size="300"
+                    checked={!preferFile}
+                    onClick={() => setPreferFile(false)}
+                  />{' '}
+                  <Text as="span" size="T200">
+                    Keep mine
+                  </Text>
+                </label>
+                <label>
+                  <RadioButton
+                    name="your-data-conflicts"
+                    variant="Primary"
+                    size="300"
+                    checked={preferFile}
+                    onClick={() => setPreferFile(true)}
+                  />{' '}
+                  <Text as="span" size="T200">
+                    Use the file&apos;s
+                  </Text>
+                </label>
+              </Box>
+            )}
+            <Box gap="200">
+              <Button
+                size="300"
+                variant="Primary"
+                radii="300"
+                disabled={busy || (totals.added === 0 && !(preferFile && totals.conflicts > 0))}
+                onClick={applyImport}
+              >
+                <Text size="B300">Import</Text>
+              </Button>
+              <Button
+                size="300"
+                variant="Secondary"
+                fill="Soft"
+                radii="300"
+                disabled={busy}
+                onClick={() => setPending(undefined)}
+              >
+                <Text size="B300">Cancel</Text>
+              </Button>
+            </Box>
+          </Box>
+        )}
+        {message && (
+          <Text
+            size="T200"
+            role="status"
+            style={{ color: message.tone === 'error' ? color.Critical.Main : undefined }}
+          >
+            {message.text}
+          </Text>
+        )}
+      </SequenceCard>
+    </Box>
+  );
+}

src/app/features/settings/notifications/AllMessages.tsx

@@ -82,7 +82,7 @@ export function AllMessagesNotifications() {
   return (
     <Box direction="Column" gap="100">
       <Box alignItems="Center" justifyContent="SpaceBetween" gap="200">
-        <Text size="L400">All Messages</Text>
+        <Text size="L400">All messages</Text>
         <Box gap="100">
           <Text size="T200">Badge: </Text>
           <Badge radii="300" variant="Secondary" fill="Solid">
@@ -97,7 +97,7 @@ export function AllMessagesNotifications() {
         gap="400"
       >
         <SettingTile
-          title="1-to-1 Chats"
+          title="1-to-1 chats"
           after={<AllMessagesModeSwitcher pushRules={pushRules} ruleId={RuleId.DM} oneToOne />}
         />
       </SequenceCard>
@@ -108,7 +108,7 @@ export function AllMessagesNotifications() {
         gap="400"
       >
         <SettingTile
-          title="1-to-1 Chats (Encrypted)"
+          title="1-to-1 chats (encrypted)"
           after={
             <AllMessagesModeSwitcher
               pushRules={pushRules}
@@ -137,7 +137,7 @@ export function AllMessagesNotifications() {
         gap="400"
       >
         <SettingTile
-          title="Rooms (Encrypted)"
+          title="Rooms (encrypted)"
           after={
             <AllMessagesModeSwitcher
               pushRules={pushRules}

src/app/features/settings/notifications/KeywordMessages.tsx

@@ -171,7 +171,7 @@ export function KeywordMessagesNotifications() {
   return (
     <Box direction="Column" gap="100">
       <Box alignItems="Center" justifyContent="SpaceBetween" gap="200">
-        <Text size="L400">Keyword Messages</Text>
+        <Text size="L400">Keyword messages</Text>
         <Box gap="100">
           <Text size="T200">Badge: </Text>
           <Badge radii="300" variant="Success" fill="Solid">
@@ -186,7 +186,7 @@ export function KeywordMessagesNotifications() {
         gap="400"
       >
         <SettingTile
-          title="Select Keyword"
+          title="Add a keyword"
           description="Set a notification preference for message containing given keyword."
         >
           <KeywordInput />

src/app/features/settings/notifications/Notifications.tsx

@@ -9,7 +9,6 @@ import { KeywordMessagesNotifications } from './KeywordMessages';
 import { PushRuleEditor } from './PushRuleEditor';
 import { SequenceCard } from '../../../components/sequence-card';
 import { SequenceCardStyle } from '../styles.css';
-import { SettingTile } from '../../../components/setting-tile';
 import { settingsAtom, Settings } from '../../../state/settings';
 import { notificationSnoozeUntilAtom } from '../../../state/notificationSnooze';
 
@@ -81,7 +80,7 @@ function NotificationPresets() {
 
   return (
     <Box direction="Column" gap="100">
-      <Text size="L400">Quick Presets</Text>
+      <Text size="L400">Quick presets</Text>
       <SequenceCard className={SequenceCardStyle} variant="SurfaceVariant" direction="Column">
         <Box gap="300" style={{ padding: config.space.S300, flexWrap: 'wrap' }}>
           {PRESETS.map((preset) => (
@@ -150,17 +149,6 @@ export function Notifications({ requestClose }: NotificationsProps) {
               <SpecialMessagesNotifications />
               <KeywordMessagesNotifications />
               <PushRuleEditor />
-              <Box direction="Column" gap="100">
-                <Text size="L400">Block Messages</Text>
-                <SequenceCard
-                  className={SequenceCardStyle}
-                  variant="SurfaceVariant"
-                  direction="Column"
-                  gap="400"
-                >
-                  <SettingTile description='This option has been moved to "Account > Block Users" section.' />
-                </SequenceCard>
-              </Box>
             </Box>
           </PageContent>
         </Scroll>

src/app/features/settings/notifications/PushRuleEditor.tsx

@@ -333,10 +333,15 @@ export function PushRuleEditor() {
 
   return (
     <Box direction="Column" gap="100">
-      <Text size="L400">Advanced Push Rules</Text>
-      <RuleSection title="Override Rules" kind={PushRuleKind.Override} rules={overrideRules} />
+      <Text size="L400">Advanced push rules</Text>
+      {/* [Gitea #459] Matrix terms kept, with one line on what they are. */}
+      <Text size="T200" priority="300">
+        The raw Matrix notification rules behind the options above, checked in this order: override,
+        room, sender, then underride. You rarely need to change these.
+      </Text>
+      <RuleSection title="Override rules" kind={PushRuleKind.Override} rules={overrideRules} />
       <RuleSection
-        title="Room Rules"
+        title="Room rules"
         kind={PushRuleKind.RoomSpecific}
         rules={roomRules}
         addForm={
@@ -348,7 +353,7 @@ export function PushRuleEditor() {
         }
       />
       <RuleSection
-        title="Sender Rules"
+        title="Sender rules"
         kind={PushRuleKind.SenderSpecific}
         rules={senderRules}
         addForm={
@@ -359,7 +364,7 @@ export function PushRuleEditor() {
           />
         }
       />
-      <RuleSection title="Underride Rules" kind={PushRuleKind.Underride} rules={underrideRules} />
+      <RuleSection title="Underride rules" kind={PushRuleKind.Underride} rules={underrideRules} />
     </Box>
   );
 }

src/app/features/settings/notifications/SpecialMessages.tsx

@@ -124,7 +124,7 @@ export function SpecialMessagesNotifications() {
   return (
     <Box direction="Column" gap="100">
       <Box alignItems="Center" justifyContent="SpaceBetween" gap="200">
-        <Text size="L400">Special Messages</Text>
+        <Text size="L400">Special messages</Text>
         <Box gap="100">
           <Text size="T200">Badge: </Text>
           <Badge radii="300" variant="Success" fill="Solid">

src/app/features/settings/notifications/SystemNotification.tsx

@@ -63,7 +63,7 @@ function EmailNotification() {
 
   return (
     <SettingTile
-      title="Email Notification"
+      title="Email notifications"
       description={
         <>
           {result && !result.email && (
@@ -161,7 +161,7 @@ function PauseNotifications() {
 
   return (
     <SettingTile
-      title="Pause Notifications"
+      title="Pause notifications"
       description={<span style={active ? { color: color.Warning.Main } : undefined}>{status}</span>}
       after={
         active ? (
@@ -221,7 +221,7 @@ export function SystemNotification() {
         gap="400"
       >
         <SettingTile
-          title="Desktop Notifications"
+          title="Desktop notifications"
           description={
             notifPermission === 'denied' ? (
               <Text as="span" style={{ color: color.Critical.Main }} size="T200">
@@ -230,7 +230,7 @@ export function SystemNotification() {
                   : 'Notifications are not supported by the system.'}
               </Text>
             ) : (
-              <span>Show desktop notifications when message arrive.</span>
+              <span>Show desktop notifications when messages arrive.</span>
             )
           }
           after={
@@ -263,8 +263,8 @@ export function SystemNotification() {
         gap="400"
       >
         <SettingTile
-          title="Notification Sound"
-          description="Play sound when new message arrive."
+          title="Notification sound"
+          description="Play a sound when a new message arrives."
           after={<Switch value={isNotificationSounds} onChange={setIsNotificationSounds} />}
         />
         {isNotificationSounds && (
@@ -353,7 +353,7 @@ export function SystemNotification() {
         gap="400"
       >
         <SettingTile
-          title="Quiet Hours"
+          title="Quiet hours"
           description="Notifications are silenced between these times. Handles overnight (e.g. 11:00 PM – 8:00 AM)."
           after={<Switch value={quietHoursEnabled} onChange={setQuietHoursEnabled} />}
         />

src/app/features/settings/pages.ts

@@ -1,11 +1,19 @@
 /** Settings dialog pages. Kept apart from Settings.tsx so callers can name a
  * page without pulling the dialog into the entry chunk. */
 export enum SettingsPages {
-  GeneralPage,
   AccountPage,
+  // [Gitea #459] These replace the old catch-all General page.
+  AppearancePage,
+  MessagesPage,
   NotificationPage,
+  CallsPage,
+  /** "Privacy & security": privacy options plus devices and encryption. */
   DevicesPage,
+  DataStoragePage,
+  /** Desktop app only. */
+  DesktopPage,
   EmojisStickersPage,
+  /** "Advanced": developer tools and display plumbing. */
   DeveloperToolsPage,
   AboutPage,
 }

src/app/hooks/useSettingsSync.ts

@@ -140,7 +140,7 @@ export function useSettingsSync(): void {
 }
 
 /**
- * Manual actions for Settings → General → Sync. `pushNow` stamps a fresh
+ * Manual actions for Settings → Data & storage → Sync. `pushNow` stamps a fresh
  * snapshot of THIS device so it wins on every other device; `clearRemote`
  * blanks the account-data event (other devices ignore the invalid content and
  * keep their local settings until someone pushes again).

src/app/pages/CallStatusRenderer.tsx

@@ -1,4 +1,6 @@
 import React from 'react';
+import { useAtomValue } from 'jotai';
+import { immersiveCallAtom } from '../state/callEmbed';
 import { useCallEmbed } from '../hooks/useCallEmbed';
 import { CallStatus } from '../features/call-status';
 import { useSelectedRoom } from '../hooks/router/useSelectedRoom';
@@ -9,8 +11,10 @@ export function CallStatusRenderer() {
   const selectedRoom = useSelectedRoom();
 
   const screenSize = useScreenSizeContext();
+  // [Gitea #126] The full-screen call has its own controls.
+  const immersive = useAtomValue(immersiveCallAtom);
 
-  if (!callEmbed) return null;
+  if (!callEmbed || immersive) return null;
 
   if (screenSize === ScreenSize.Mobile && callEmbed.roomId === selectedRoom) return null;
 

src/app/pages/client/ClientNonUIFeatures.tsx

@@ -1015,13 +1015,13 @@ function TauriUpdateFeature() {
     dismissToast(UPDATE_PROGRESS_TOAST);
     if (!failure) return;
     // Short on purpose; the full explanation and a Download installer button
-    // are in Settings → General → App Updates.
+    // are in Settings → Desktop → App updates.
     const busy = failure.phase !== 'install' && isNetworkUpdateError(failure.message);
     setToast({
       id: UPDATE_FAILED_TOAST,
       iconSrc: Icons.Warning,
       displayName: 'Update didn’t install',
-      body: `${busy ? 'The update server seems busy. ' : ''}Click to try again, or get the installer in Settings → General → App Updates.`,
+      body: `${busy ? 'The update server seems busy. ' : ''}Click to try again, or get the installer in Settings → Desktop → App updates.`,
       roomName: 'System',
       roomId: '',
       sticky: true,
@@ -1062,7 +1062,7 @@ function TauriUpdateFeature() {
       roomName: 'System',
       roomId: '',
       onClick: () => {
-        if (viaPackage) requestSettings('general');
+        if (viaPackage) requestSettings('desktop');
         else installFromToast();
       },
       sticky: true,

src/app/pages/client/ClientRoot.tsx

@@ -61,7 +61,7 @@ import { AutoDiscovery } from './AutoDiscovery';
 
 // Capture-only E2EE diagnostics ring buffer (KE-1→4 signatures) — installed at
 // module load so it sees crypto warnings from the very first sync. Idempotent;
-// report download lives in Settings → Developer Tools → Crypto Diagnostics.
+// report download lives in Settings → Advanced → Crypto diagnostics.
 installCryptoDiagLog();
 
 function ClientRootLoading() {

src/app/pages/client/KeyUploadBanner.tsx

@@ -72,8 +72,8 @@ export function KeyUploadBanner() {
               rejects every new upload and other people can't start fresh encrypted sessions
               with you. This usually happens after the browser cleared this site's storage
               while you stayed signed in. Before signing out, make sure this device is verified or
-              key backup is on (Settings → Devices), so your message history comes back when you
-              sign in again.
+              key backup is on (Settings → Privacy & security), so your message history comes back
+              when you sign in again.
             </Text>
             {lastError && (
               <Text size="T200" align="Center" priority="300" style={{ wordBreak: 'break-word' }}>

src/app/pages/client/sidebar/SettingsTab.tsx

@@ -180,7 +180,10 @@ export function SettingsTab() {
   useEffect(() => {
     if (!settingsRequest) return;
     const page = {
-      general: SettingsPages.GeneralPage,
+      // [Gitea #459] General is gone; its old deep links land on Appearance.
+      general: SettingsPages.AppearancePage,
+      appearance: SettingsPages.AppearancePage,
+      desktop: SettingsPages.DesktopPage,
       account: SettingsPages.AccountPage,
       notifications: SettingsPages.NotificationPage,
       devices: SettingsPages.DevicesPage,

src/app/state/callEmbed.ts

@@ -18,3 +18,6 @@ export const callEmbedAtom = atom<CallEmbed | undefined, [CallEmbed | undefined]
 );
 
 export const callChatAtom = atom<boolean>(false);
+
+/** [Gitea #126] The call is full screen (phone turned sideways). */
+export const immersiveCallAtom = atom<boolean>(false);

src/app/state/settingsRequest.ts

@@ -1,6 +1,12 @@
 import { atom } from 'jotai';
 
-export type SettingsRequestPage = 'general' | 'account' | 'notifications' | 'devices';
+export type SettingsRequestPage =
+  | 'general'
+  | 'account'
+  | 'notifications'
+  | 'devices'
+  | 'desktop'
+  | 'appearance';
 
 /**
  * Ask the sidebar to open User Settings at a page from anywhere in the app

src/app/state/staleSessions.ts

@@ -0,0 +1,7 @@
+import { atom } from 'jotai';
+
+/**
+ * [Gitea #113] Session ids the stale-sessions nudge's Review asked Settings →
+ * Devices to tick for sign-out. Consumed (and cleared) by OtherDevices.
+ */
+export const preselectSignOutAtom = atom<string[]>([]);

src/app/utils/dataExport.test.ts

@@ -0,0 +1,76 @@
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { buildExport, mergeData, parseExport, planImport } from './dataExport';
+
+const file = buildExport({
+  userId: '@a:hs',
+  accountData: {
+    'io.lotus.bookmarks': { bookmarks: [{ id: 'b1', note: 'x' }] },
+    'io.lotus.user_notes': { notes: { '@b:hs': 'met at LAN party' } },
+    'm.direct': { secret: true },
+    'io.lotus.settings': { theme: 'dark', fontSize: 16 },
+  },
+  decoration: 'halo',
+  localSettings: { callNoiseSuppression: 'ml' },
+  now: new Date('2026-10-25T00:00:00Z'),
+});
+
+test('[#114] export keeps only our own types', () => {
+  assert.equal(file.format, 'lotus-chat-data');
+  assert.equal(file.version, 1);
+  assert.deepEqual(Object.keys(file.accountData).sort(), [
+    'io.lotus.bookmarks',
+    'io.lotus.settings',
+    'io.lotus.user_notes',
+  ]);
+  assert.equal(file.profile.decoration, 'halo');
+});
+
+test('[#114] parse: round trip, wrong files, newer versions, foreign types', () => {
+  const r = parseExport(JSON.stringify(file));
+  assert.ok(r.ok);
+  assert.equal(parseExport('nope').ok, false);
+  assert.equal(parseExport('{"format":"other"}').ok, false);
+  const newer = parseExport(JSON.stringify({ ...file, version: 2 }));
+  assert.ok(!newer.ok && /newer Lotus Chat/.test(newer.error));
+  const sneaky = parseExport(
+    JSON.stringify({ ...file, accountData: { 'm.push_rules': {}, 'io.lotus.bookmarks': {} } }),
+  );
+  assert.ok(sneaky.ok);
+  assert.deepEqual(Object.keys(sneaky.file.accountData), ['io.lotus.bookmarks']);
+});
+
+test('[#114] merge: lists by id, maps by key, conflicts kept unless preferred', () => {
+  const mine = { bookmarks: [{ id: 'b1', note: 'mine' }, { id: 'b2' }] };
+  const theirs = { bookmarks: [{ id: 'b1', note: 'theirs' }, { id: 'b3' }] };
+  const keep = mergeData(mine, theirs);
+  assert.equal(keep.added, 1);
+  assert.equal(keep.conflicts, 1);
+  assert.deepEqual(keep.value, {
+    bookmarks: [{ id: 'b1', note: 'mine' }, { id: 'b2' }, { id: 'b3' }],
+  });
+  const take = mergeData(mine, theirs, true);
+  assert.deepEqual((take.value as typeof mine).bookmarks[0], { id: 'b1', note: 'theirs' });
+
+  const notes = mergeData({ a: 1, b: 2 }, { b: 3, c: 4 });
+  assert.deepEqual(notes, { value: { a: 1, b: 2, c: 4 }, added: 1, conflicts: 1 });
+  assert.deepEqual(mergeData(undefined, { x: 1 }), { value: { x: 1 }, added: 1, conflicts: 0 });
+  assert.deepEqual(mergeData(['a'], ['a', 'b']).value, ['a', 'b']);
+});
+
+test('[#114] plan summarises per category', () => {
+  const plan = planImport(file, {
+    accountData: { 'io.lotus.settings': { theme: 'light' } },
+    decoration: null,
+    localSettings: { callNoiseSuppression: 'ml' },
+  });
+  const by = Object.fromEntries(plan.map((p) => [p.key, p]));
+  assert.deepEqual(
+    [by['io.lotus.settings'].added, by['io.lotus.settings'].conflicts],
+    [1, 1],
+    'fontSize new, theme differs',
+  );
+  assert.equal(by['io.lotus.bookmarks'].added, 1);
+  assert.equal(by['profile.decoration'].added, 1);
+  assert.deepEqual([by['local.settings'].added, by['local.settings'].conflicts], [0, 0]);
+});

src/app/utils/dataExport.ts

@@ -0,0 +1,219 @@
+/**
+ * [Gitea #114] Export / import "your data": the Lotus-side personal data of
+ * an account (not message history, not encryption keys: those have their own
+ * exports, and keys are secret). One JSON file:
+ *
+ *   { format: 'lotus-chat-data', version: 1, exportedAt, userId,
+ *     accountData: { [type]: content }, profile: { decoration }, local: { settings } }
+ *
+ * Import MERGES: anything missing here is added; a value that differs is a
+ * conflict, kept as it is unless the user chooses the file's. Pure helpers.
+ */
+
+export const EXPORT_FORMAT = 'lotus-chat-data';
+export const EXPORT_VERSION = 1;
+
+/** The account-data types that are the user's own Lotus data, with labels. */
+export const EXPORT_ACCOUNT_DATA: { type: string; label: string }[] = [
+  { type: 'io.lotus.settings', label: 'Synced settings' },
+  { type: 'io.lotus.bookmarks', label: 'Bookmarks' },
+  { type: 'io.lotus.user_notes', label: 'Private notes about people' },
+  { type: 'io.lotus.room_names', label: 'Your names for rooms' },
+  { type: 'in.cinny.spaces', label: 'Room sections and sidebar' },
+  { type: 'io.lotus.reminders', label: 'Reminders' },
+  { type: 'io.lotus.status_presets', label: 'Status presets' },
+  { type: 'io.lotus.thread_notifications', label: 'Thread notification settings' },
+  { type: 'io.lotus.mute_timers', label: 'Timed mutes' },
+  { type: 'io.lotus.soundboard', label: 'Soundboard (clips stay on the server)' },
+  { type: 'io.lotus.soundboard_rooms', label: 'Soundboards enabled everywhere' },
+  { type: 'im.ponies.user_emotes', label: 'Your emoji and stickers' },
+  { type: 'im.ponies.emote_rooms', label: 'Emoji packs enabled everywhere' },
+];
+
+export type ExportFile = {
+  format: typeof EXPORT_FORMAT;
+  version: number;
+  exportedAt: string;
+  userId: string;
+  accountData: Record<string, unknown>;
+  profile: { decoration: string | null };
+  local: { settings: Record<string, unknown> | null };
+};
+
+export const buildExport = (input: {
+  userId: string;
+  accountData: Record<string, unknown>;
+  decoration: string | null;
+  localSettings: Record<string, unknown> | null;
+  now?: Date;
+}): ExportFile => {
+  const accountData: Record<string, unknown> = {};
+  EXPORT_ACCOUNT_DATA.forEach(({ type }) => {
+    const c = input.accountData[type];
+    if (c !== undefined && c !== null) accountData[type] = c;
+  });
+  return {
+    format: EXPORT_FORMAT,
+    version: EXPORT_VERSION,
+    exportedAt: (input.now ?? new Date()).toISOString(),
+    userId: input.userId,
+    accountData,
+    profile: { decoration: input.decoration },
+    local: { settings: input.localSettings },
+  };
+};
+
+const isObject = (v: unknown): v is Record<string, unknown> =>
+  !!v && typeof v === 'object' && !Array.isArray(v);
+
+export type ParseResult = { ok: true; file: ExportFile } | { ok: false; error: string };
+
+/** Validate an imported file; older versions would be migrated here. */
+export const parseExport = (text: string): ParseResult => {
+  let v: unknown;
+  try {
+    v = JSON.parse(text);
+  } catch {
+    return { ok: false, error: "This isn't a Lotus Chat data file (it isn't valid JSON)." };
+  }
+  if (!isObject(v) || v.format !== EXPORT_FORMAT)
+    return { ok: false, error: "This isn't a Lotus Chat data file." };
+  if (typeof v.version !== 'number' || v.version < 1)
+    return { ok: false, error: 'This data file is damaged (no version).' };
+  if (v.version > EXPORT_VERSION)
+    return {
+      ok: false,
+      error: 'This file was made by a newer Lotus Chat. Update the app, then import it again.',
+    };
+  const accountData = isObject(v.accountData) ? v.accountData : {};
+  const known = new Set(EXPORT_ACCOUNT_DATA.map((t) => t.type));
+  const filtered: Record<string, unknown> = {};
+  Object.entries(accountData).forEach(([type, content]) => {
+    // Only our own types: a file can't be used to write arbitrary account data.
+    if (known.has(type) && content !== null && content !== undefined) filtered[type] = content;
+  });
+  const profile = isObject(v.profile) ? v.profile : {};
+  const local = isObject(v.local) ? v.local : {};
+  return {
+    ok: true,
+    file: {
+      format: EXPORT_FORMAT,
+      version: v.version,
+      exportedAt: typeof v.exportedAt === 'string' ? v.exportedAt : '',
+      userId: typeof v.userId === 'string' ? v.userId : '',
+      accountData: filtered,
+      profile: {
+        decoration: typeof profile.decoration === 'string' ? profile.decoration : null,
+      },
+      local: { settings: isObject(local.settings) ? local.settings : null },
+    },
+  };
+};
+
+const same = (a: unknown, b: unknown): boolean => JSON.stringify(a) === JSON.stringify(b);
+
+const itemKey = (v: unknown): string => {
+  if (isObject(v)) {
+    const id = v.id ?? v.eventId ?? v.event_id ?? v.key ?? v.roomId ?? v.room_id ?? v.mxc;
+    if (typeof id === 'string' || typeof id === 'number') return `id:${String(id)}`;
+  }
+  return `json:${JSON.stringify(v)}`;
+};
+
+export type MergeResult = { value: unknown; added: number; conflicts: number };
+
+/**
+ * Pure: merge `incoming` into `current`. Lists: add items that are missing
+ * (matched by id, else by content). Objects: add missing keys, recurse into
+ * shared ones. A differing leaf is a conflict: `preferIncoming` decides.
+ */
+export const mergeData = (
+  current: unknown,
+  incoming: unknown,
+  preferIncoming = false,
+): MergeResult => {
+  if (current === undefined || current === null) {
+    return { value: incoming, added: incoming === undefined ? 0 : 1, conflicts: 0 };
+  }
+  if (Array.isArray(current) && Array.isArray(incoming)) {
+    const have = new Map(current.map((v, i) => [itemKey(v), i]));
+    const out = [...current];
+    let added = 0;
+    let conflicts = 0;
+    incoming.forEach((item) => {
+      const k = itemKey(item);
+      const at = have.get(k);
+      if (at === undefined) {
+        out.push(item);
+        have.set(k, out.length - 1);
+        added += 1;
+      } else if (!same(out[at], item)) {
+        conflicts += 1;
+        if (preferIncoming) out[at] = item;
+      }
+    });
+    return { value: out, added, conflicts };
+  }
+  if (isObject(current) && isObject(incoming)) {
+    const out: Record<string, unknown> = { ...current };
+    let added = 0;
+    let conflicts = 0;
+    Object.entries(incoming).forEach(([k, v]) => {
+      if (!(k in current)) {
+        out[k] = v;
+        added += 1;
+        return;
+      }
+      const r = mergeData(current[k], v, preferIncoming);
+      out[k] = r.value;
+      added += r.added;
+      conflicts += r.conflicts;
+    });
+    return { value: out, added, conflicts };
+  }
+  if (same(current, incoming)) return { value: current, added: 0, conflicts: 0 };
+  return { value: preferIncoming ? incoming : current, added: 0, conflicts: 1 };
+};
+
+export type ImportPlanItem = {
+  key: string;
+  label: string;
+  added: number;
+  conflicts: number;
+};
+
+/** What importing `file` into the current data would change, per category. */
+export const planImport = (
+  file: ExportFile,
+  current: {
+    accountData: Record<string, unknown>;
+    decoration: string | null;
+    localSettings: Record<string, unknown> | null;
+  },
+): ImportPlanItem[] => {
+  const items: ImportPlanItem[] = [];
+  EXPORT_ACCOUNT_DATA.forEach(({ type, label }) => {
+    if (!(type in file.accountData)) return;
+    const r = mergeData(current.accountData[type], file.accountData[type]);
+    items.push({ key: type, label, added: r.added, conflicts: r.conflicts });
+  });
+  if (file.profile.decoration !== null) {
+    const differs = current.decoration !== file.profile.decoration;
+    items.push({
+      key: 'profile.decoration',
+      label: 'Avatar decoration',
+      added: !current.decoration && differs ? 1 : 0,
+      conflicts: current.decoration && differs ? 1 : 0,
+    });
+  }
+  if (file.local.settings) {
+    const r = mergeData(current.localSettings ?? {}, file.local.settings);
+    items.push({
+      key: 'local.settings',
+      label: "This device's settings",
+      added: r.added,
+      conflicts: r.conflicts,
+    });
+  }
+  return items;
+};

src/app/utils/securityNudge.test.ts

@@ -8,6 +8,9 @@ import {
   parseNudgeRecord,
   SecurityState,
   shouldShowNudge,
+  pickNudge,
+  staleSessions,
+  staleSessionsText,
 } from './securityNudge';
 
 const healthy: SecurityState = {
@@ -79,3 +82,45 @@ test('stored record: round trip, and garbage starts a fresh grace period', () =>
     assert.deepEqual(parseNudgeRecord(bad, t0), { firstSeen: t0, dismissals: {} }, bad);
   }
 });
+
+test('[#113] stale sessions: 90+ days unused, never the current one', () => {
+  const now = Date.UTC(2026, 9, 25);
+  const day = 86_400_000;
+  const devices = [
+    { device_id: 'ME', last_seen_ts: now - 400 * day },
+    { device_id: 'OLD', last_seen_ts: now - 91 * day },
+    { device_id: 'EDGE', last_seen_ts: now - 90 * day },
+    { device_id: 'RECENT', last_seen_ts: now - 89 * day },
+    { device_id: 'UNKNOWN' },
+    { device_id: 'NULL', last_seen_ts: null },
+  ];
+  assert.deepEqual(
+    staleSessions(devices, 'ME', now).map((d) => d.device_id),
+    ['OLD', 'EDGE'],
+  );
+});
+
+test('[#113] wording follows the count', () => {
+  assert.match(
+    staleSessionsText(1),
+    /^You have a session you haven't used in 3 months\. Signing it out/,
+  );
+  assert.match(
+    staleSessionsText(3),
+    /^You have 3 sessions you haven't used in 3 months\. Signing them out/,
+  );
+});
+
+test('[#113] pickNudge: security first, stale sessions when that one is snoozed or absent', () => {
+  const now = 10 * 86_400_000;
+  const fresh = { firstSeen: 0, dismissals: {} };
+  assert.equal(pickNudge('verify-device', 2, fresh, now), 'verify-device');
+  assert.equal(pickNudge(undefined, 2, fresh, now), 'stale-sessions');
+  assert.equal(pickNudge(undefined, 0, fresh, now), undefined);
+  const snoozed = dismissNudge('verify-device', fresh, now);
+  assert.equal(pickNudge('verify-device', 2, snoozed, now), 'stale-sessions');
+  const bothSnoozed = dismissNudge('stale-sessions', snoozed, now);
+  assert.equal(pickNudge('verify-device', 2, bothSnoozed, now), undefined);
+  // inside the 24 h grace period nothing shows
+  assert.equal(pickNudge(undefined, 2, { firstSeen: now, dismissals: {} }, now), undefined);
+});

src/app/utils/securityNudge.ts

@@ -9,12 +9,15 @@
  * - setup-backup: no key backup at all (includes accounts that never set up
  *   cross-signing: the setup flow does both).
  *
+ * - stale-sessions (#113, lowest priority): sessions of this account not used
+ *   for 90+ days; Review opens Settings → Privacy & security with them ticked to sign out.
+ *
  * Anything not yet known (crypto still loading) → no nudge. Timing: not in
  * the first 24 h on a device (onboarding), "Not now" snoozes 7 days, three
  * dismissals of a nudge stop it for good; a healthy device never sees one.
  */
 
-export type NudgeKind = 'verify-device' | 'connect-backup' | 'setup-backup';
+export type NudgeKind = 'verify-device' | 'connect-backup' | 'setup-backup' | 'stale-sessions';
 
 export type SecurityState = {
   /** m.cross_signing.master account data present. */
@@ -38,6 +41,51 @@ export const nudgeFor = (s: SecurityState): NudgeKind | undefined => {
   return s.backupActive ? undefined : 'connect-backup';
 };
 
+/** [Gitea #113] A session counts as stale after this long unused. */
+export const STALE_SESSION_MS = 90 * 24 * 60 * 60 * 1000;
+
+type SessionLike = { device_id: string; last_seen_ts?: number | null };
+
+/**
+ * Pure: other sessions of this account not seen for STALE_SESSION_MS. Never
+ * the current session; a session with no last-seen time is left alone (we
+ * can't tell it's unused).
+ */
+export const staleSessions = <T extends SessionLike>(
+  devices: T[],
+  currentDeviceId: string | undefined,
+  now: number,
+): T[] =>
+  devices.filter(
+    (d) =>
+      d.device_id !== currentDeviceId &&
+      typeof d.last_seen_ts === 'number' &&
+      now - d.last_seen_ts >= STALE_SESSION_MS,
+  );
+
+/** "1 session" / "3 sessions you haven't used in 3 months". */
+export const staleSessionsText = (count: number): string =>
+  `You have ${count === 1 ? 'a session' : `${count} sessions`} you haven't used in 3 months. Signing ${
+    count === 1 ? 'it' : 'them'
+  } out keeps your account safe if an old device is lost.`;
+
+/**
+ * The nudge to show: the device-security one first, then stale sessions, each
+ * only if its own snooze allows (so a snoozed security nudge doesn't hide the
+ * stale-sessions one, and vice versa).
+ */
+export const pickNudge = (
+  security: NudgeKind | undefined,
+  staleCount: number,
+  record: NudgeRecord,
+  now: number,
+): NudgeKind | undefined => {
+  const candidates: NudgeKind[] = [];
+  if (security) candidates.push(security);
+  if (staleCount > 0) candidates.push('stale-sessions');
+  return candidates.find((k) => shouldShowNudge(k, record, now));
+};
+
 export const NUDGE_GRACE_MS = 24 * 60 * 60 * 1000;
 export const NUDGE_SNOOZE_MS = 7 * 24 * 60 * 60 * 1000;
 export const NUDGE_MAX_DISMISSALS = 3;
@@ -87,6 +135,11 @@ export const NUDGE_COPY: Record<NudgeKind, { text: string; action: string }> = {
     text: "This device isn't using your key backup yet. Connect it so your encrypted messages stay readable if you lose it.",
     action: 'Connect',
   },
+  'stale-sessions': {
+    // The text depends on the count: see staleSessionsText.
+    text: '',
+    action: 'Review',
+  },
   'setup-backup': {
     text: "Your encryption keys aren't backed up. Set up key backup so you don't lose your encrypted messages if you log out or lose this device.",
     action: 'Set up',