From 8d82b057e6330082eb4af0fe1be5bf9c8fe3b4b8 Mon Sep 17 00:00:00 2001
From: Timidan <akinnusotutemitayodaniel@gmail.com>
Date: Tue, 8 Sep 2026 13:56:49 +0100
Subject: [PATCH] Skip duplicate custom signatures on save

Importing the same artifacts folder twice doubled every entry, and with
no per-entry delete the only cleanup was wiping the whole library. A
signature already in the library is now left as-is.
---
 src/utils/signatureDatabase.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/utils/signatureDatabase.ts b/src/utils/signatureDatabase.ts
index 188e809..cc1623f 100644
--- a/src/utils/signatureDatabase.ts
+++ b/src/utils/signatureDatabase.ts
@@ -506,6 +506,7 @@ export const getCachedSignatures = (type: 'function' | 'event' | 'error'): { [ha
 export const saveCustomSignature = (signature: CustomSignature) => {
   try {
     const customs = getCustomSignatures();
+    if (customs.some((c) => c.signature === signature.signature)) return;
     customs.push(signature);
     localStorage.setItem(STORAGE_KEYS.CUSTOM_SIGNATURES, JSON.stringify(customs));
   } catch (error) {