diff --git a/electron/main.ts b/electron/main.ts
index 3207429..ed3fa2c 100644
--- a/electron/main.ts
+++ b/electron/main.ts
@@ -62,7 +62,6 @@ process.env.VITE_PUBLIC = VITE_DEV_SERVER_URL ? path.join(process.env.APP_ROOT,
 let mainWindow: BrowserWindow | null = null
 let sourceSelectorWindow: BrowserWindow | null = null
 let tray: Tray | null = null
-let isRecording = false
 let selectedSourceName = ''
 
 function createWindow() {
@@ -148,7 +147,7 @@ app.whenReady().then(async () => {
     () => mainWindow,
     () => sourceSelectorWindow,
     (recording: boolean, sourceName: string) => {
-      isRecording = recording
+      // removed unused assignment to _isRecording
       selectedSourceName = sourceName
       if (recording) {
         if (!tray) createTray();
diff --git a/icons/1024x1024.png b/icons/1024x1024.png
new file mode 100644
index 0000000..cefcab1
Binary files /dev/null and b/icons/1024x1024.png differ
diff --git a/icons/128x128.png b/icons/128x128.png
new file mode 100644
index 0000000..5b767f2
Binary files /dev/null and b/icons/128x128.png differ
diff --git a/icons/16x16.png b/icons/16x16.png
new file mode 100644
index 0000000..ba89653
Binary files /dev/null and b/icons/16x16.png differ
diff --git a/icons/24x24.png b/icons/24x24.png
new file mode 100644
index 0000000..fffef02
Binary files /dev/null and b/icons/24x24.png differ
diff --git a/icons/256x256.png b/icons/256x256.png
new file mode 100644
index 0000000..7992367
Binary files /dev/null and b/icons/256x256.png differ
diff --git a/icons/32x32.png b/icons/32x32.png
new file mode 100644
index 0000000..96532c0
Binary files /dev/null and b/icons/32x32.png differ
diff --git a/icons/48x48.png b/icons/48x48.png
new file mode 100644
index 0000000..2eea10f
Binary files /dev/null and b/icons/48x48.png differ
diff --git a/icons/512x512.png b/icons/512x512.png
new file mode 100644
index 0000000..eb120c0
Binary files /dev/null and b/icons/512x512.png differ
diff --git a/icons/64x64.png b/icons/64x64.png
new file mode 100644
index 0000000..e285c9c
Binary files /dev/null and b/icons/64x64.png differ
diff --git a/icons/icon.icns b/icons/icon.icns
new file mode 100644
index 0000000..ded3092
Binary files /dev/null and b/icons/icon.icns differ
diff --git a/icons/icon.ico b/icons/icon.ico
new file mode 100644
index 0000000..33a52ec
Binary files /dev/null and b/icons/icon.ico differ
diff --git a/src/components/video-editor/SettingsPanel.tsx b/src/components/video-editor/SettingsPanel.tsx
index 6836a97..ce908d4 100644
--- a/src/components/video-editor/SettingsPanel.tsx
+++ b/src/components/video-editor/SettingsPanel.tsx
@@ -43,6 +43,8 @@ interface SettingsPanelProps {
   onExport?: () => void;
 }
 
+export default SettingsPanel;
+
 const ZOOM_DEPTH_OPTIONS: Array<{ depth: ZoomDepth; label: string }> = [
   { depth: 1, label: "1.25×" },
   { depth: 2, label: "1.5×" },
diff --git a/src/components/video-editor/timeline/Item.tsx b/src/components/video-editor/timeline/Item.tsx
index 555947e..4c9c79f 100644
--- a/src/components/video-editor/timeline/Item.tsx
+++ b/src/components/video-editor/timeline/Item.tsx
@@ -12,7 +12,7 @@ interface ItemProps {
   onSelect?: () => void;
 }
 
-export default function Item({ id, span, rowId, isSelected = false, onSelect }: ItemProps) {
+export default function Item({ id, span, rowId, isSelected: _isSelected = false, onSelect }: ItemProps) {
   const { setNodeRef, attributes, listeners, itemStyle, itemContentStyle } = useItem({
     id,
     span,
diff --git a/src/components/video-editor/timeline/Subrow.tsx b/src/components/video-editor/timeline/Subrow.tsx
index e865139..1c7e8a1 100644
--- a/src/components/video-editor/timeline/Subrow.tsx
+++ b/src/components/video-editor/timeline/Subrow.tsx
@@ -1,3 +1,4 @@
+import { cn } from "@/lib/utils";
 interface SubrowProps {
   children: React.ReactNode;
 }
diff --git a/src/components/video-editor/timeline/TimelineWrapper.tsx b/src/components/video-editor/timeline/TimelineWrapper.tsx
index 3a89312..085aadb 100644
--- a/src/components/video-editor/timeline/TimelineWrapper.tsx
+++ b/src/components/video-editor/timeline/TimelineWrapper.tsx
@@ -23,7 +23,7 @@ export default function TimelineWrapper({
   onRangeChange,
   minItemDurationMs,
   minVisibleRangeMs,
-  gridSizeMs,
+  gridSizeMs: _gridSizeMs,
   onItemSpanChange,
 }: TimelineWrapperProps) {
   const totalMs = Math.max(0, Math.round(videoDuration * 1000));
diff --git a/src/lib/exporter/videoExporter.ts b/src/lib/exporter/videoExporter.ts
index bb676ba..e8c913d 100644
--- a/src/lib/exporter/videoExporter.ts
+++ b/src/lib/exporter/videoExporter.ts
@@ -104,7 +104,7 @@ export class VideoExporter {
               };
               videoElement.addEventListener('seeked', onSeeked, { once: true });
             }),
-            new Promise(resolve => setTimeout(resolve, 250)) // higher is slower but better capture
+            new Promise(resolve => setTimeout(resolve, 200)) // higher is slower but better capture
           ]);
         }
 
diff --git a/test.png b/test.png
new file mode 100644
index 0000000..8960721
Binary files /dev/null and b/test.png differ