From 64a36881718f1479359a60c1c6275e7e5d2acdf4 Mon Sep 17 00:00:00 2001
From: Dmitry Lyalin <dmitry.lyalin@lyalin.com>
Date: Fri, 13 Feb 2026 20:24:34 -0500
Subject: [PATCH] Restore terminal state on startup and resume failures

---
 packages/cli/index.ts       |  4 +++-
 packages/cli/src/gemini.tsx | 23 +++++++++++++++++------
 2 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/packages/cli/index.ts b/packages/cli/index.ts
index 29a83b2337..dbcff0f169 100644
--- a/packages/cli/index.ts
+++ b/packages/cli/index.ts
@@ -32,7 +32,9 @@ process.on('uncaughtException', (error) => {
   } else {
     writeToStderr(String(error) + '\n');
   }
-  process.exit(1);
+  void runExitCleanup().finally(() => {
+    process.exit(1);
+  });
 });
 
 main().catch(async (error) => {
diff --git a/packages/cli/src/gemini.tsx b/packages/cli/src/gemini.tsx
index 7b092d2d5a..5de617bb88 100644
--- a/packages/cli/src/gemini.tsx
+++ b/packages/cli/src/gemini.tsx
@@ -641,16 +641,27 @@ export async function main() {
 
     const wasRaw = process.stdin.isRaw;
     if (config.isInteractive() && !wasRaw && process.stdin.isTTY) {
+      const restoreRawMode = () => {
+        if (
+          process.stdin.isTTY &&
+          process.stdin.isRaw !== wasRaw &&
+          typeof process.stdin.setRawMode === 'function'
+        ) {
+          process.stdin.setRawMode(wasRaw);
+        }
+      };
+
       // Set this as early as possible to avoid spurious characters from
       // input showing up in the output.
       process.stdin.setRawMode(true);
+      registerCleanup(restoreRawMode);
 
-      // This cleanup isn't strictly needed but may help in certain situations.
-      process.on('SIGTERM', () => {
-        process.stdin.setRawMode(wasRaw);
-      });
-      process.on('SIGINT', () => {
-        process.stdin.setRawMode(wasRaw);
+      // Best-effort terminal restoration if terminated by signals.
+      process.on('SIGTERM', restoreRawMode);
+      process.on('SIGINT', restoreRawMode);
+      registerCleanup(() => {
+        process.off('SIGTERM', restoreRawMode);
+        process.off('SIGINT', restoreRawMode);
       });
     }