diff --git a/.github/workflows/build-view.yml b/.github/workflows/build-view.yml
index 0a3469ad..f5190e39 100644
--- a/.github/workflows/build-view.yml
+++ b/.github/workflows/build-view.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - os: [self-hosted, macOS, ARM64]
+          - os: macos-latest
             arch: arm64
             artifact_name: macos-arm64
           - os: windows-latest
@@ -85,7 +85,13 @@ jobs:
       - name: Build Release Files (macOS with signing)
         if: runner.os == 'macOS'
         timeout-minutes: 90
-        run: npm run build -- --arch ${{ matrix.arch }}
+        run: |
+          # Increase file descriptor limit to prevent EMFILE errors during signing
+          # This is needed because electron-builder signs all files recursively,
+          # and Python venvs contain thousands of files
+          ulimit -n 65536 || ulimit -n 10240
+          echo "File descriptor limit set to: $(ulimit -n)"
+          npm run build -- --arch ${{ matrix.arch }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           CSC_LINK: ${{ secrets.CERT_P12 }}
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 136ffa2c..2f5b8a15 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -92,7 +92,11 @@ jobs:
       # Step for macOS builds with signing
       - name: Build Release Files (macOS with signing)
         if: runner.os == 'macOS'
-        run: npm run build -- --arch ${{ matrix.arch }}
+        run: |
+          # Increase file descriptor limit to prevent EMFILE errors during signing
+          ulimit -n 65536 || ulimit -n 10240
+          echo "File descriptor limit set to: $(ulimit -n)"
+          npm run build -- --arch ${{ matrix.arch }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           CSC_LINK: ${{ secrets.CERT_P12 }}
diff --git a/electron-builder.json b/electron-builder.json
index c2c669cb..2704266f 100644
--- a/electron-builder.json
+++ b/electron-builder.json
@@ -65,6 +65,26 @@
     "hardenedRuntime": true,
     "gatekeeperAssess": false,
     "notarize": false,
+    "signIgnore": [
+      ".*\\.py$",
+      ".*\\.pyc$",
+      ".*\\.pyo$",
+      ".*\\.pyi$",
+      ".*\\.typed$",
+      ".*\\.txt$",
+      ".*\\.md$",
+      ".*\\.rst$",
+      ".*\\.json$",
+      ".*\\.yaml$",
+      ".*\\.yml$",
+      ".*\\.toml$",
+      ".*\\.cfg$",
+      ".*\\.ini$",
+      ".*\\.csv$",
+      ".*\\.html$",
+      ".*\\.css$",
+      ".*\\.map$"
+    ],
     "extendInfo": {
       "CFBundleURLTypes": [
         {
diff --git a/src/components/ChatBox/BottomBox/BoxHeader.tsx b/src/components/ChatBox/BottomBox/BoxHeader.tsx
index 79d60860..aa11ced1 100644
--- a/src/components/ChatBox/BottomBox/BoxHeader.tsx
+++ b/src/components/ChatBox/BottomBox/BoxHeader.tsx
@@ -48,6 +48,7 @@ export interface BoxHeaderConfirmProps {
     onStartTask?: () => void;
     onEdit?: () => void;
     className?: string;
+    loading?: boolean;
 }
 
 export const BoxHeaderConfirm = ({
@@ -55,6 +56,7 @@ export const BoxHeaderConfirm = ({
     onStartTask,
     onEdit,
     className,
+    loading = false,
 }: BoxHeaderConfirmProps) => {
     return (
         <div
@@ -88,6 +90,7 @@ export const BoxHeaderConfirm = ({
                     size="sm"
                     className="rounded-full"
                     onClick={onStartTask}
+                    disabled={loading}
                 >
                     Start Task
                 </Button>
diff --git a/src/components/ChatBox/BottomBox/index.tsx b/src/components/ChatBox/BottomBox/index.tsx
index 2b99dd93..0d0d4998 100644
--- a/src/components/ChatBox/BottomBox/index.tsx
+++ b/src/components/ChatBox/BottomBox/index.tsx
@@ -93,6 +93,7 @@ export default function BottomBox({
 								subtitle={subtitle}
 								onStartTask={onStartTask}
 								onEdit={onEdit}
+								loading={loading}
 						/>
 				)}
 
diff --git a/src/components/Dialog/EndNotice.tsx b/src/components/Dialog/EndNotice.tsx
index 1424cd28..e993eec0 100644
--- a/src/components/Dialog/EndNotice.tsx
+++ b/src/components/Dialog/EndNotice.tsx
@@ -16,9 +16,10 @@ interface Props {
 	onOpenChange: (open: boolean) => void;
 	trigger?: React.ReactNode;
 	onConfirm: () => void;
+	loading?: boolean;
 }
 
-export default function EndNoticeDialog({ open, onOpenChange, trigger, onConfirm }: Props) {
+export default function EndNoticeDialog({ open, onOpenChange, trigger, onConfirm, loading = false }: Props) {
 	const { t } = useTranslation();
 	const onSubmit = useCallback(() => {
 		onConfirm();
@@ -36,9 +37,9 @@ export default function EndNoticeDialog({ open, onOpenChange, trigger, onConfirm
 				</div>
 				<DialogFooter className="bg-white-100% !rounded-b-xl p-md">
 					<DialogClose asChild>
-						<Button variant="ghost" size="md">{t("layout.cancel")}</Button>
+						<Button variant="ghost" size="md" disabled={loading}>{t("layout.cancel")}</Button>
 					</DialogClose>
-					<Button size="md" onClick={onSubmit} variant="cuation">{t("layout.yes-end-project")}</Button>
+					<Button size="md" onClick={onSubmit} variant="cuation" disabled={loading}>{t("layout.yes-end-project")}</Button>
 				</DialogFooter>
 			</DialogContent>
 		</Dialog>
diff --git a/src/components/TopBar/index.tsx b/src/components/TopBar/index.tsx
index 860dc60c..778a06c6 100644
--- a/src/components/TopBar/index.tsx
+++ b/src/components/TopBar/index.tsx
@@ -48,6 +48,7 @@ function HeaderWin() {
 	const [isFullscreen, setIsFullscreen] = useState(false);
 	const { token } = getAuthStore();
 	const [endDialogOpen, setEndDialogOpen] = useState(false);
+	const [endProjectLoading, setEndProjectLoading] = useState(false);
 	useEffect(() => {
 		const p = window.electronAPI.getPlatform();
 		setPlatform(p);
@@ -150,6 +151,7 @@ function HeaderWin() {
 
 		const historyId = projectId ? projectStore.getHistoryId(projectId) : null;
 
+		setEndProjectLoading(true);
 		try {
 			const task = chatStore.tasks[taskId];
 
@@ -197,6 +199,7 @@ function HeaderWin() {
 				closeButton: true,
 			});
 		} finally {
+			setEndProjectLoading(false);
 			setEndDialogOpen(false);
 		}
 	};
@@ -414,6 +417,7 @@ function HeaderWin() {
 				open={endDialogOpen}
 				onOpenChange={setEndDialogOpen}
 				onConfirm={handleEndProject}
+				loading={endProjectLoading}
 			/>
 		</div>
 	);