From f05e1c0c9a4d6666e14fbd8e884f34d4448959ed Mon Sep 17 00:00:00 2001
From: Abhishek-Jalkhare <abhishekjalkhare2003@gmail.com>
Date: Wed, 28 Oct 2026 17:14:43 +0530
Subject: [PATCH 1/3] fix(web): prevent Object URL memory leaks in laptop
 screen generator

---
 web/js/screens.js | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/web/js/screens.js b/web/js/screens.js
index 57b63622..58314709 100644
--- a/web/js/screens.js
+++ b/web/js/screens.js
@@ -425,9 +425,28 @@ function syncColours() {
 
 function loadImage(file) {
   if (!file || !file.type.startsWith('image/')) return;
+
+  if (state.imageUrl) {
+    URL.revokeObjectURL(state.imageUrl);
+    state.imageUrl = null;
+  }
+
+  const url = URL.createObjectURL(file);
+  state.imageUrl = url;
+
   const img = new Image();
-  img.onload = () => { state.image = img; renderPreview(); };
-  img.src = URL.createObjectURL(file);
+  img.onload = () => {
+    state.image = img;
+    renderPreview();
+  };
+  img.onerror = () => {
+    if (state.imageUrl === url) {
+      URL.revokeObjectURL(url);
+      state.imageUrl = null;
+    }
+  };
+  img.src = url;
+
 }
 
 function setSource(source) {

From 0ab74d8a6fd8a9dab457ebfcf1a35cd50edca335 Mon Sep 17 00:00:00 2001
From: Abhishek-Jalkhare <abhishekjalkhare2003@gmail.com>
Date: Wed, 28 Oct 2026 17:32:35 +0530
Subject: [PATCH 2/3] fix(web): revoke object URL immediately on successful
 image load

---
 web/js/screens.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/web/js/screens.js b/web/js/screens.js
index 58314709..b2c6be43 100644
--- a/web/js/screens.js
+++ b/web/js/screens.js
@@ -436,6 +436,10 @@ function loadImage(file) {
 
   const img = new Image();
   img.onload = () => {
+    if (state.imageUrl === url) {
+      URL.revokeObjectURL(url);
+      state.imageUrl = null;
+    }
     state.image = img;
     renderPreview();
   };

From 4683575b80c8a8cff7d9ad3ca133e829110d85d3 Mon Sep 17 00:00:00 2001
From: Abhishek-Jalkhare <abhishekjalkhare2003@gmail.com>
Date: Wed, 28 Oct 2026 17:43:49 +0530
Subject: [PATCH 3/3] fix(web): ignore stale image loads before updating
 preview

---
 web/js/screens.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/web/js/screens.js b/web/js/screens.js
index b2c6be43..ee6fbd70 100644
--- a/web/js/screens.js
+++ b/web/js/screens.js
@@ -436,10 +436,10 @@ function loadImage(file) {
 
   const img = new Image();
   img.onload = () => {
-    if (state.imageUrl === url) {
-      URL.revokeObjectURL(url);
-      state.imageUrl = null;
-    }
+    if (state.imageUrl !== url) return;
+    URL.revokeObjectURL(url);
+    state.imageUrl = null;
+
     state.image = img;
     renderPreview();
   };