From 2c0c752c2490d1fe310b5e64f69af0cfe4ee2e30 Mon Sep 17 00:00:00 2001
From: Brennan Benson <79079362+brennanb2025@users.noreply.github.com>
Date: Thu, 30 Jul 2026 21:11:17 -0700
Subject: [PATCH] fix(mobile): clear terminal on empty snapshots

---
 mobile/app/h/[hostId]/session/[worktreeId].tsx           | 2 +-
 mobile/src/session/mobile-session-last-tab-close.test.ts | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/mobile/app/h/[hostId]/session/[worktreeId].tsx b/mobile/app/h/[hostId]/session/[worktreeId].tsx
index 3c42d1bcde8..085468011e3 100644
--- a/mobile/app/h/[hostId]/session/[worktreeId].tsx
+++ b/mobile/app/h/[hostId]/session/[worktreeId].tsx
@@ -1888,7 +1888,7 @@ export default function SessionScreen() {
         activeHandleRef.current = active.terminal
         setActiveHandle(active.terminal)
         subscribeToTerminal(active.terminal)
-      } else if (active) {
+      } else {
         const previous = activeHandleRef.current
         if (previous) {
           unsubscribeTerminal(previous)
diff --git a/mobile/src/session/mobile-session-last-tab-close.test.ts b/mobile/src/session/mobile-session-last-tab-close.test.ts
index 71db9fde8b2..3f4be26676f 100644
--- a/mobile/src/session/mobile-session-last-tab-close.test.ts
+++ b/mobile/src/session/mobile-session-last-tab-close.test.ts
@@ -7,6 +7,14 @@ const sessionRouteSource = readFileSync(
 )
 
 describe('mobile session last-tab close', () => {
+  it('clears terminal identity when the authoritative snapshot has no active tab', () => {
+    const start = sessionRouteSource.indexOf('const applySessionTabs = useCallback')
+    const end = sessionRouteSource.indexOf('const readMarkdownTab', start)
+    const block = sessionRouteSource.slice(start, end)
+
+    expect(block).toContain('} else {\n        const previous = activeHandleRef.current')
+  })
+
   it('clears stale active identity when closing leaves no tabs', () => {
     const start = sessionRouteSource.indexOf('async function handleCloseSessionTab')
     const end = sessionRouteSource.indexOf('const bulkCloseActions', start)