feat(web): make pinned In progress section optional (default off) (#1350)

Restores directory glanceability by default after #1315. Settings → Display
adds a toggle next to Active sessions only that re-enables the pinned section.

Fixes #1347

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/lib/locales/en.ts

@@ -723,6 +723,8 @@ export default {
   'settings.display.sessionPreviewLimit.increase': 'Show more sessions before folding',
   'settings.display.activeSessionsOnly': 'Active sessions only',
   'settings.display.activeSessionsOnly.desc': 'Hide inactive sessions in the sidebar. The session you have open stays visible.',
+  'settings.display.pinInProgressSessions': 'Pin in-progress sessions',
+  'settings.display.pinInProgressSessions.desc': 'Move active sessions into a pinned In progress section at the top of the sidebar. Off keeps them inside their project directories.',
   'settings.display.sessionListStatus': 'Session list status',
   'settings.display.sessionListStatus.standard': 'Standard',
   'settings.display.sessionListStatus.detailed': 'Detailed',

web/src/lib/locales/zh-CN.ts

@@ -727,6 +727,8 @@ export default {
   'settings.display.sessionPreviewLimit.increase': '增加折叠前显示的会话数',
   'settings.display.activeSessionsOnly': '仅显示活跃会话',
   'settings.display.activeSessionsOnly.desc': '在侧边栏隐藏非活跃会话；当前打开的会话仍会保留显示。',
+  'settings.display.pinInProgressSessions': '置顶进行中会话',
+  'settings.display.pinInProgressSessions.desc': '将活跃会话移到侧边栏顶部的「进行中」分区。关闭后仍保留在各自项目目录分组中。',
   'settings.display.sessionListStatus': '会话列表状态',
   'settings.display.sessionListStatus.standard': '标准',
   'settings.display.sessionListStatus.detailed': '详细',