diff --git a/src/client/Sidebar.tsx b/src/client/Sidebar.tsx
index b5d6c70..eac38a2 100644
--- a/src/client/Sidebar.tsx
+++ b/src/client/Sidebar.tsx
@@ -135,7 +135,7 @@ interface TabContentProps extends TabContentMemoKey {
 
 /** Render the content of one tab (dispatched by type). */
 const TabContent = memo(function TabContent(props: TabContentProps) {
-  const { tab, sessionId, cwd, expanded, onToggleDir, onReferenceFile, ctx, store, visible, onSubagentJump, onOpenDiff } = props
+  const { tab, sessionId, cwd, expanded, revealed, onToggleDir, onReferenceFile, ctx, store, visible, onSubagentJump, onOpenDiff } = props
   const scope = { sessionId, cwd }
   const descriptor = ctx.get('betterSidebar')?.getTab(tab.type)
   if (descriptor === undefined) {
diff --git a/src/client/locales-fr.ts b/src/client/locales-fr.ts
index d7e2f8f..26ecff3 100644
--- a/src/client/locales-fr.ts
+++ b/src/client/locales-fr.ts
@@ -254,7 +254,7 @@ export const fr: Record<string, string> = {
   settingsBrowserHttpsTitle: 'Ouvrir les pages HTTPS de côté',
   settingsBrowserHttpsDesc: 'Une fois activé, cliquer sur un lien externe HTTPS du chat ou de l’interface l’ouvre dans la barre latérale. Désactivé par défaut : la plupart des sites HTTPS refusent l’encapsulation, le navigateur système est plus fluide',
   settingsBrowserLoopbackTitle: 'Adresses locales autorisées',
-  settingsBrowserLoopbackDesc: 'Liste blanche séparée par des virgules d'adresses de bouclage (ex. localhost:5174 ou 127.0.0.1:8080) que le navigateur de la barre latérale peut visiter ; vide bloque toutes les adresses locales par défaut. Le bac à sable s'applique toujours — les pages ne peuvent pas lire les données de l'interface',
+  settingsBrowserLoopbackDesc: 'Liste blanche séparée par des virgules des adresses de bouclage (ex. localhost:5174 ou 127.0.0.1:8080) que le navigateur de la barre latérale peut visiter ; vide bloque toutes les adresses locales par défaut. Le bac à sable reste actif — les pages ne peuvent pas lire les données de l interface',
   settingsBrowserLoopbackPlaceholder: 'ex. localhost:5174, 127.0.0.1:8080',
   browserOpenExternal: 'Ouvrir dans le navigateur',
   browserEmbedBlocked: '{host} a refusé la demande d’encapsulation',
diff --git a/src/client/locales-nl.ts b/src/client/locales-nl.ts
index 123f2ae..5e07f66 100644
--- a/src/client/locales-nl.ts
+++ b/src/client/locales-nl.ts
@@ -259,7 +259,7 @@ export const nl: Record<string, string> = {
   settingsBrowserHttpsTitle: 'HTTPS-pagina\'s in de zijbalk openen',
   settingsBrowserHttpsDesc: 'Indien aan, opent een klik op een externe HTTPS-link in de chat of GUI de zijbalk. Standaard uit: de meeste HTTPS-sites weigeren ingebed te worden, dus de systeembrowser is soepeler',
   settingsBrowserLoopbackTitle: 'Toegestane lokale adressen',
-  settingsBrowserLoopbackDesc: 'Door komma's gescheiden allowlist van loopback-adressen (bijv. localhost:5174 of 127.0.0.1:8080) die de zijbalk-browser kan bezoeken; leeg blokkeert standaard alle lokale adressen. De sandbox blijft van toepassing — pagina's kunnen geen GUI-gegevens lezen',
+  settingsBrowserLoopbackDesc: 'Door komma gescheiden allowlist van loopback-adressen (bijv. localhost:5174 of 127.0.0.1:8080) die de zijbalk-browser kan bezoeken; leeg blokkeert standaard alle lokale adressen. De sandbox blijft van toepassing — pagina s kunnen geen GUI-gegevens lezen',
   settingsBrowserLoopbackPlaceholder: 'bijv. localhost:5174, 127.0.0.1:8080',
   browserOpenExternal: 'Openen in browser',
   browserEmbedBlocked: '{host} weigerde ingebed te worden',
diff --git a/src/client/tab-content-memo.ts b/src/client/tab-content-memo.ts
index 50ef171..c10affa 100644
--- a/src/client/tab-content-memo.ts
+++ b/src/client/tab-content-memo.ts
@@ -23,6 +23,8 @@ export interface TabContentMemoKey {
   cwd: string | undefined
   visible: boolean
   expanded: string[]
+  /** Files highlighted in the file tree (the "Show in folder" reveal). */
+  revealed: string[]
   localeRevision: string
   tabsVersion: number
 }
@@ -40,6 +42,7 @@ export function tabContentCompare(prev: TabContentMemoKey, next: TabContentMemoK
     prev.cwd === next.cwd &&
     prev.visible === next.visible &&
     prev.expanded === next.expanded &&
+    prev.revealed === next.revealed &&
     prev.localeRevision === next.localeRevision &&
     prev.tabsVersion === next.tabsVersion
   )
diff --git a/src/index.ts b/src/index.ts
index 6c1ce19..1d94ef6 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -946,7 +946,7 @@ export function apply(ctx: Context, config?: SidebarConfig): void {
   // terminals follow the session, not the reconnect grace. Agent terminals
   // are owned by the agent lifecycle and are not touched here.
   ctx.on('session/disposed', (session) => {
-    try { ptyManager.closeSession(session?.id) } catch {}
+    try { ptyManager?.closeSession(session?.id) } catch {}
   }, { global: true })
 }
 
diff --git a/tests/openpath-intercept.spec.ts b/tests/openpath-intercept.spec.ts
index 8ad7bdc..619928b 100644
--- a/tests/openpath-intercept.spec.ts
+++ b/tests/openpath-intercept.spec.ts
@@ -27,6 +27,7 @@ describe('open-path interception', () => {
       takeoverEnabled: () => true,
       currentSessionId: () => 's1',
       openInSidebar: (path, sessionId) => { sidebar.push(`${sessionId}:${path}`) },
+      revealInExplorer: () => {},
       ...overrides,
     }
   }
diff --git a/tests/prefs.spec.ts b/tests/prefs.spec.ts
index de19201..0ce1ba3 100644
--- a/tests/prefs.spec.ts
+++ b/tests/prefs.spec.ts
@@ -260,9 +260,9 @@ describe('side card preferences', () => {
     const store = createSidebarStore()
     // Node environment: no window → the width falls back to PANEL_DEFAULT,
     // while the open flag still follows the preference.
-    store.setPrefs({ openByDefault: false, defaultWidthPercent: 45, autoOpenSubagent: true, autoOpenJobs: true, agentTerminalTools: false, bottomPanelAutoTerminal: true, terminalFontFamily: '', terminalFontSize: 13, interceptOpenPath: true, editorExplorer: true, terminalShell: '', terminalShellArgs: '', titleBarScheme: 'auto', titleBarPresetId: '', customCss: '', titleBarCompat: false, titleBarStripPx: 40, htmlViewerNoSandbox: false, htmlViewerDefaultUnsafe: false, browserNoSandbox: false, browserInterceptLinks: true, browserInterceptHttp: true, browserInterceptHttps: false, tabsEnabled: {}, viewersEnabled: {}, pluginSettings: {} })
+    store.setPrefs({ openByDefault: false, defaultWidthPercent: 45, autoOpenSubagent: true, autoOpenJobs: true, agentTerminalTools: false, bottomPanelAutoTerminal: true, terminalFontFamily: '', terminalFontSize: 13, interceptOpenPath: true, editorExplorer: true, terminalShell: '', terminalShellArgs: '', titleBarScheme: 'auto', titleBarPresetId: '', customCss: '', titleBarCompat: false, titleBarStripPx: 40, htmlViewerNoSandbox: false, htmlViewerDefaultUnsafe: false, browserNoSandbox: false, browserInterceptLinks: true, browserInterceptHttp: true, browserInterceptHttps: false, browserAllowedLoopback: "", tabsEnabled: {}, viewersEnabled: {}, pluginSettings: {} })
     store.setSession('fresh-session')
-    expect(store.getPrefs()).toEqual({ openByDefault: false, defaultWidthPercent: 45, autoOpenSubagent: true, autoOpenJobs: true, agentTerminalTools: false, bottomPanelAutoTerminal: true, terminalFontFamily: '', terminalFontSize: 13, interceptOpenPath: true, editorExplorer: true, terminalShell: '', terminalShellArgs: '', titleBarScheme: 'auto', titleBarPresetId: '', customCss: '', titleBarCompat: false, titleBarStripPx: 40, htmlViewerNoSandbox: false, htmlViewerDefaultUnsafe: false, browserNoSandbox: false, browserInterceptLinks: true, browserInterceptHttp: true, browserInterceptHttps: false, tabsEnabled: {}, viewersEnabled: {}, pluginSettings: {} })
+    expect(store.getPrefs()).toEqual({ openByDefault: false, defaultWidthPercent: 45, autoOpenSubagent: true, autoOpenJobs: true, agentTerminalTools: false, bottomPanelAutoTerminal: true, terminalFontFamily: '', terminalFontSize: 13, interceptOpenPath: true, editorExplorer: true, terminalShell: '', terminalShellArgs: '', titleBarScheme: 'auto', titleBarPresetId: '', customCss: '', titleBarCompat: false, titleBarStripPx: 40, htmlViewerNoSandbox: false, htmlViewerDefaultUnsafe: false, browserNoSandbox: false, browserInterceptLinks: true, browserInterceptHttp: true, browserInterceptHttps: false, browserAllowedLoopback: "", tabsEnabled: {}, viewersEnabled: {}, pluginSettings: {} })
     const snapshot = store.getSnapshot()
     expect(snapshot.sessionId).toBe('fresh-session')
     expect(snapshot.state?.panelOpen).toBe(false)
@@ -298,7 +298,7 @@ describe('side card preferences', () => {
 
   it('skips the default seed tab when the editor (files window) type is disabled', () => {
     const store = createSidebarStore()
-    store.setPrefs({ openByDefault: true, defaultWidthPercent: 30, autoOpenSubagent: true, autoOpenJobs: true, agentTerminalTools: false, bottomPanelAutoTerminal: true, terminalFontFamily: '', terminalFontSize: 13, interceptOpenPath: true, editorExplorer: true, terminalShell: '', terminalShellArgs: '', titleBarScheme: 'auto', titleBarPresetId: '', customCss: '', titleBarCompat: false, titleBarStripPx: 40, htmlViewerNoSandbox: false, htmlViewerDefaultUnsafe: false, browserNoSandbox: false, browserInterceptLinks: true, browserInterceptHttp: true, browserInterceptHttps: false, tabsEnabled: { editor: false }, viewersEnabled: {}, pluginSettings: {} })
+    store.setPrefs({ openByDefault: true, defaultWidthPercent: 30, autoOpenSubagent: true, autoOpenJobs: true, agentTerminalTools: false, bottomPanelAutoTerminal: true, terminalFontFamily: '', terminalFontSize: 13, interceptOpenPath: true, editorExplorer: true, terminalShell: '', terminalShellArgs: '', titleBarScheme: 'auto', titleBarPresetId: '', customCss: '', titleBarCompat: false, titleBarStripPx: 40, htmlViewerNoSandbox: false, htmlViewerDefaultUnsafe: false, browserNoSandbox: false, browserInterceptLinks: true, browserInterceptHttp: true, browserInterceptHttps: false, browserAllowedLoopback: "", tabsEnabled: { editor: false }, viewersEnabled: {}, pluginSettings: {} })
     store.setSession('no-editor')
     const state = store.getSnapshot().state!
     const tabs = allLeaves(state.splits).flatMap(leaf => leaf.tabs)
@@ -308,7 +308,7 @@ describe('side card preferences', () => {
     // editorExplorer modes.
     for (const editorExplorer of [true, false]) {
       const openStore = createSidebarStore()
-      openStore.setPrefs({ openByDefault: true, defaultWidthPercent: 30, autoOpenSubagent: true, autoOpenJobs: true, agentTerminalTools: false, bottomPanelAutoTerminal: true, terminalFontFamily: '', terminalFontSize: 13, interceptOpenPath: true, editorExplorer, terminalShell: '', terminalShellArgs: '', titleBarScheme: 'auto', titleBarPresetId: '', customCss: '', titleBarCompat: false, titleBarStripPx: 40, htmlViewerNoSandbox: false, htmlViewerDefaultUnsafe: false, browserNoSandbox: false, browserInterceptLinks: true, browserInterceptHttp: true, browserInterceptHttps: false, tabsEnabled: {}, viewersEnabled: {}, pluginSettings: {} })
+      openStore.setPrefs({ openByDefault: true, defaultWidthPercent: 30, autoOpenSubagent: true, autoOpenJobs: true, agentTerminalTools: false, bottomPanelAutoTerminal: true, terminalFontFamily: '', terminalFontSize: 13, interceptOpenPath: true, editorExplorer, terminalShell: '', terminalShellArgs: '', titleBarScheme: 'auto', titleBarPresetId: '', customCss: '', titleBarCompat: false, titleBarStripPx: 40, htmlViewerNoSandbox: false, htmlViewerDefaultUnsafe: false, browserNoSandbox: false, browserInterceptLinks: true, browserInterceptHttp: true, browserInterceptHttps: false, browserAllowedLoopback: "", tabsEnabled: {}, viewersEnabled: {}, pluginSettings: {} })
       openStore.setSession(`with-editor-${editorExplorer}`)
       const openTabs = allLeaves(openStore.getSnapshot().state!.splits).flatMap(leaf => leaf.tabs)
       expect(openTabs.map(tab => tab.type)).toEqual(['editor'])
@@ -318,7 +318,7 @@ describe('side card preferences', () => {
   it('seeds the empty editor home tab (files window) in both editorExplorer modes', () => {
     for (const editorExplorer of [true, false]) {
       const store = createSidebarStore()
-      store.setPrefs({ openByDefault: true, defaultWidthPercent: 30, autoOpenSubagent: true, autoOpenJobs: true, agentTerminalTools: false, bottomPanelAutoTerminal: true, terminalFontFamily: '', terminalFontSize: 13, interceptOpenPath: true, editorExplorer, terminalShell: '', terminalShellArgs: '', titleBarScheme: 'auto', titleBarPresetId: '', customCss: '', titleBarCompat: false, titleBarStripPx: 40, htmlViewerNoSandbox: false, htmlViewerDefaultUnsafe: false, browserNoSandbox: false, browserInterceptLinks: true, browserInterceptHttp: true, browserInterceptHttps: false, tabsEnabled: {}, viewersEnabled: {}, pluginSettings: {} })
+      store.setPrefs({ openByDefault: true, defaultWidthPercent: 30, autoOpenSubagent: true, autoOpenJobs: true, agentTerminalTools: false, bottomPanelAutoTerminal: true, terminalFontFamily: '', terminalFontSize: 13, interceptOpenPath: true, editorExplorer, terminalShell: '', terminalShellArgs: '', titleBarScheme: 'auto', titleBarPresetId: '', customCss: '', titleBarCompat: false, titleBarStripPx: 40, htmlViewerNoSandbox: false, htmlViewerDefaultUnsafe: false, browserNoSandbox: false, browserInterceptLinks: true, browserInterceptHttp: true, browserInterceptHttps: false, browserAllowedLoopback: "", tabsEnabled: {}, viewersEnabled: {}, pluginSettings: {} })
       store.setSession(`fresh-${editorExplorer}`)
       const tabs = allLeaves(store.getSnapshot().state!.splits).flatMap(leaf => leaf.tabs)
       expect(tabs).toHaveLength(1)
diff --git a/tests/smoke.spec.ts b/tests/smoke.spec.ts
index c0806f8..55bfff6 100644
--- a/tests/smoke.spec.ts
+++ b/tests/smoke.spec.ts
@@ -13,7 +13,6 @@ import { apply, mediaTypeForPath } from '../src/index.ts'
 import { encodeHtmlUrl } from '../src/html-route.ts'
 import * as git from '../src/git.ts'
 import { listDirectory } from '../src/fs-tree.ts'
-import { encodeHtmlUrl } from '../src/html-route.ts'
 import { defaultShell, PtyManager, type SidebarPty } from '../src/pty-manager.ts'
 import type { SidebarWebRoute, SidebarWebUpgradeRoute } from '../src/context-types.ts'
 
diff --git a/tests/tab-content-memo.spec.ts b/tests/tab-content-memo.spec.ts
index ee62b6f..0eb2370 100644
--- a/tests/tab-content-memo.spec.ts
+++ b/tests/tab-content-memo.spec.ts
@@ -18,6 +18,7 @@ function makeKey(overrides: Partial<TabContentMemoKey> = {}): TabContentMemoKey
     cwd: '/workspace',
     visible: true,
     expanded: [],
+    revealed: [],
     localeRevision: 'en-US',
     tabsVersion: 0,
     ...overrides,