feat: moved LLMConfigs from User to SearchSpaces

- RBAC soon??
- Updated various services and routes to handle search space-specific LLM preferences.
- Modified frontend components to pass search space ID for LLM configuration management.
- Removed onboarding page and settings page as part of the refactor.

surfsense_web/app/dashboard/[search_space_id]/client-layout.tsx

@@ -1,12 +1,16 @@
 "use client";
 
+import { Loader2 } from "lucide-react";
+import { usePathname, useRouter } from "next/navigation";
 import type React from "react";
-import { useState } from "react";
+import { useEffect, useState } from "react";
 import { DashboardBreadcrumb } from "@/components/dashboard-breadcrumb";
 import { AppSidebarProvider } from "@/components/sidebar/AppSidebarProvider";
 import { ThemeTogglerComponent } from "@/components/theme/theme-toggle";
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
 import { Separator } from "@/components/ui/separator";
 import { SidebarInset, SidebarProvider, SidebarTrigger } from "@/components/ui/sidebar";
+import { useLLMPreferences } from "@/hooks/use-llm-configs";
 
 export function DashboardClientLayout({
 	children,
@@ -19,6 +23,16 @@ export function DashboardClientLayout({
 	navSecondary: any[];
 	navMain: any[];
 }) {
+	const router = useRouter();
+	const pathname = usePathname();
+	const searchSpaceIdNum = Number(searchSpaceId);
+
+	const { loading, error, isOnboardingComplete } = useLLMPreferences(searchSpaceIdNum);
+	const [hasCheckedOnboarding, setHasCheckedOnboarding] = useState(false);
+
+	// Skip onboarding check if we're already on the onboarding page
+	const isOnboardingPage = pathname?.includes("/onboard");
+
 	const [open, setOpen] = useState<boolean>(() => {
 		try {
 			const match = document.cookie.match(/(?:^|; )sidebar_state=([^;]+)/);
@@ -29,6 +43,68 @@ export function DashboardClientLayout({
 		return true;
 	});
 
+	useEffect(() => {
+		// Skip check if already on onboarding page
+		if (isOnboardingPage) {
+			setHasCheckedOnboarding(true);
+			return;
+		}
+
+		// Only check once after preferences have loaded
+		if (!loading && !hasCheckedOnboarding) {
+			const onboardingComplete = isOnboardingComplete();
+
+			if (!onboardingComplete) {
+				router.push(`/dashboard/${searchSpaceId}/onboard`);
+			}
+
+			setHasCheckedOnboarding(true);
+		}
+	}, [
+		loading,
+		isOnboardingComplete,
+		isOnboardingPage,
+		router,
+		searchSpaceId,
+		hasCheckedOnboarding,
+	]);
+
+	// Show loading screen while checking onboarding status (only on first load)
+	if (!hasCheckedOnboarding && loading && !isOnboardingPage) {
+		return (
+			<div className="flex flex-col items-center justify-center min-h-screen space-y-4">
+				<Card className="w-[350px] bg-background/60 backdrop-blur-sm">
+					<CardHeader className="pb-2">
+						<CardTitle className="text-xl font-medium">Loading Configuration</CardTitle>
+						<CardDescription>Checking your LLM preferences...</CardDescription>
+					</CardHeader>
+					<CardContent className="flex justify-center py-6">
+						<Loader2 className="h-12 w-12 text-primary animate-spin" />
+					</CardContent>
+				</Card>
+			</div>
+		);
+	}
+
+	// Show error screen if there's an error loading preferences (but not on onboarding page)
+	if (error && !hasCheckedOnboarding && !isOnboardingPage) {
+		return (
+			<div className="flex flex-col items-center justify-center min-h-screen space-y-4">
+				<Card className="w-[400px] bg-background/60 backdrop-blur-sm border-destructive/20">
+					<CardHeader className="pb-2">
+						<CardTitle className="text-xl font-medium text-destructive">
+							Configuration Error
+						</CardTitle>
+						<CardDescription>Failed to load your LLM configuration</CardDescription>
+					</CardHeader>
+					<CardContent>
+						<p className="text-sm text-muted-foreground">{error}</p>
+					</CardContent>
+				</Card>
+			</div>
+		);
+	}
+
 	return (
 		<SidebarProvider open={open} onOpenChange={setOpen}>
 			{/* Use AppSidebarProvider which fetches user, search space, and recent chats */}