refac

src/lib/components/chat/Chat.svelte

@@ -729,6 +729,10 @@
 		);
 	};
 
+	$: if ($terminalServers !== null && $selectedTerminalId && !isTerminalAvailable($selectedTerminalId)) {
+		selectedTerminalId.set(null);
+	}
+
 	let settingDefaults = false;
 	const setDefaults = async () => {
 		if (settingDefaults) return;
@@ -1286,11 +1290,6 @@
 			});
 		}
 
-		// Clear stale selectedTerminalId if the referenced terminal no longer exists
-		if ($selectedTerminalId && !isTerminalAvailable($selectedTerminalId)) {
-			selectedTerminalId.set(null);
-		}
-
 		const pageSubscribe = page.subscribe(async (p) => {
 			if (p.url.pathname === '/' || p.url.pathname.startsWith('/folders/')) {
 				await tick();

src/lib/components/chat/ChatControls.svelte

@@ -110,6 +110,7 @@
 	// Clear selected direct terminal if user lost permission
 	$: if (
 		$selectedTerminalId &&
+		$terminalServers !== null &&
 		!($terminalServers ?? []).some((t) => t.id && t.id === $selectedTerminalId) &&
 		!($user?.role === 'admin' || ($user?.permissions?.features?.direct_tool_servers ?? true))
 	) {

src/lib/components/chat/MessageInput.svelte

@@ -696,7 +696,7 @@
 	}
 
 	// Clear selected terminal when model doesn't support terminal
-	$: if ($selectedTerminalId && terminalCapableModels.length === 0) {
+	$: if ($selectedTerminalId && selectedModelIds.length > 0 && terminalCapableModels.length === 0) {
 		selectedTerminalId.set(null);
 	}