From e3c0cd64dcfe8c7a7794ac6e576138ccef7680f8 Mon Sep 17 00:00:00 2001
From: Daniel <57051444+daniel-lxs@users.noreply.github.com>
Date: Thu, 8 Jan 2026 17:36:45 -0500
Subject: [PATCH] fix: disable Gemini thought signature persistence to prevent
 corrupted signature errors (#10554)

---
 src/api/providers/gemini.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/api/providers/gemini.ts b/src/api/providers/gemini.ts
index 4402e3e017..1da8273a14 100644
--- a/src/api/providers/gemini.ts
+++ b/src/api/providers/gemini.ts
@@ -456,7 +456,10 @@ export class GeminiHandler extends BaseProvider implements SingleCompletionHandl
 	}
 
 	public getThoughtSignature(): string | undefined {
-		return this.lastThoughtSignature
+		// Disabled to prevent "Corrupted thought signature" errors on task resumption.
+		// Gemini thought signatures are session-specific and cannot be reliably reused
+		// across API calls or after task resumption from history.
+		return undefined
 	}
 
 	public getResponseId(): string | undefined {