feat: added configable summary calculation and various improvements

- Replaced direct embedding calls with a utility function across various components to streamline embedding logic.
- Added enable_summary flag to several models and routes to control summary generation behavior.

surfsense_web/components/assistant-ui/connector-popup/components/summary-config.tsx

@@ -0,0 +1,25 @@
+"use client";
+
+import type { FC } from "react";
+import { Switch } from "@/components/ui/switch";
+
+interface SummaryConfigProps {
+	enabled: boolean;
+	onEnabledChange: (enabled: boolean) => void;
+}
+
+export const SummaryConfig: FC<SummaryConfigProps> = ({ enabled, onEnabledChange }) => {
+	return (
+		<div className="rounded-xl bg-slate-400/5 dark:bg-white/5 p-3 sm:p-6">
+			<div className="flex items-center justify-between">
+				<div className="space-y-1">
+					<h3 className="font-medium text-sm sm:text-base">Enable AI Summary</h3>
+					<p className="text-xs sm:text-sm text-muted-foreground">
+						Improves search quality but adds latency during indexing
+					</p>
+				</div>
+				<Switch checked={enabled} onCheckedChange={onEnabledChange} />
+			</div>
+		</div>
+	);
+};