feat: add artifacts library page

surfsense_web/app/dashboard/[search_space_id]/artifacts/page.tsx

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+"use client";
+
+import { useParams } from "next/navigation";
+import { ArtifactsLibrary } from "@/features/artifacts-library";
+
+export default function ArtifactsPage() {
+	const params = useParams();
+	const searchSpaceId = Number(params.search_space_id);
+
+	return <ArtifactsLibrary searchSpaceId={searchSpaceId} />;
+}

surfsense_web/features/artifacts-library/index.ts

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+export { ArtifactsLibrary } from "./ui/artifacts-library";

surfsense_web/features/artifacts-library/ui/artifacts-library.tsx

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+"use client";
+
+import { useSetAtom } from "jotai";
+import { Boxes, RefreshCw, TriangleAlert } from "lucide-react";
+import { useMemo, useState } from "react";
+import { openReportPanelAtom } from "@/atoms/chat/report-panel.atom";
+import { MobileReportPanel } from "@/components/report-panel/report-panel";
+import { Button } from "@/components/ui/button";
+import { useLibraryArtifacts } from "../hooks/use-library-artifacts";
+import type { LibraryArtifact, LibraryArtifactKind } from "../model/artifact";
+import { ArtifactCard } from "./artifact-card";
+import { KIND_META, KIND_ORDER } from "./kind-meta";
+import { MediaViewerDialog } from "./media-viewer-dialog";
+
+const SKELETON_KEYS = ["s1", "s2", "s3", "s4", "s5", "s6"];
+
+function LoadingState() {
+	return (
+		<div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-3">
+			{SKELETON_KEYS.map((key) => (
+				<div key={key} className="h-[68px] animate-pulse rounded-xl border bg-muted/40" />
+			))}
+		</div>
+	);
+}
+
+function ErrorState({ onRetry }: { onRetry: () => void }) {
+	return (
+		<div className="flex flex-col items-center justify-center gap-3 rounded-xl border border-dashed py-20 text-center">
+			<span className="flex size-12 items-center justify-center rounded-full bg-destructive/10 text-destructive">
+				<TriangleAlert className="size-6" />
+			</span>
+			<div>
+				<p className="font-medium text-foreground">Couldn't load artifacts</p>
+				<p className="mt-1 text-sm text-muted-foreground">
+					Something went wrong fetching this search space's deliverables.
+				</p>
+			</div>
+			<Button variant="outline" size="sm" onClick={onRetry}>
+				<RefreshCw className="size-4" />
+				Retry
+			</Button>
+		</div>
+	);
+}
+
+function EmptyState() {
+	return (
+		<div className="flex flex-col items-center justify-center gap-3 rounded-xl border border-dashed py-20 text-center">
+			<span className="flex size-12 items-center justify-center rounded-full bg-muted text-muted-foreground">
+				<Boxes className="size-6" />
+			</span>
+			<div>
+				<p className="font-medium text-foreground">No artifacts yet</p>
+				<p className="mt-1 text-sm text-muted-foreground">
+					Reports, resumes, podcasts, presentations, and images you generate appear here.
+				</p>
+			</div>
+		</div>
+	);
+}
+
+export function ArtifactsLibrary({ searchSpaceId }: { searchSpaceId: number }) {
+	const { artifacts, loading, error, refresh } = useLibraryArtifacts(searchSpaceId);
+	const openReportPanel = useSetAtom(openReportPanelAtom);
+	const [selectedMedia, setSelectedMedia] = useState<LibraryArtifact | null>(null);
+
+	const grouped = useMemo(() => {
+		const map = new Map<LibraryArtifactKind, LibraryArtifact[]>();
+		for (const artifact of artifacts) {
+			const bucket = map.get(artifact.kind);
+			if (bucket) bucket.push(artifact);
+			else map.set(artifact.kind, [artifact]);
+		}
+		return map;
+	}, [artifacts]);
+
+	const handleOpen = (artifact: LibraryArtifact) => {
+		// Reports/resumes reuse the shared report panel; the rest open in the dialog.
+		if (artifact.kind === "report" || artifact.kind === "resume") {
+			openReportPanel({
+				reportId: artifact.entityId,
+				title: artifact.title,
+				contentType: artifact.contentType,
+			});
+			return;
+		}
+		setSelectedMedia(artifact);
+	};
+
+	return (
+		<div className="mx-auto w-full max-w-5xl px-6 py-8">
+			<header className="mb-6 flex items-center justify-between gap-4">
+				<div>
+					<h1 className="text-xl font-semibold text-foreground">Artifacts</h1>
+					<p className="mt-1 text-sm text-muted-foreground">
+						Every deliverable created across this search space.
+					</p>
+				</div>
+				{!loading && artifacts.length > 0 ? (
+					<span className="shrink-0 text-sm text-muted-foreground">{artifacts.length} total</span>
+				) : null}
+			</header>
+
+			{loading ? (
+				<LoadingState />
+			) : error ? (
+				<ErrorState onRetry={() => refresh()} />
+			) : artifacts.length === 0 ? (
+				<EmptyState />
+			) : (
+				<div className="space-y-8">
+					{KIND_ORDER.map((kind) => {
+						const items = grouped.get(kind);
+						if (!items || items.length === 0) return null;
+						return (
+							<section key={kind}>
+								<h2 className="mb-3 text-sm font-medium text-muted-foreground">
+									{KIND_META[kind].group}
+									<span className="ml-1.5 text-muted-foreground/60">{items.length}</span>
+								</h2>
+								<div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-3">
+									{items.map((artifact) => (
+										<ArtifactCard key={artifact.key} artifact={artifact} onOpen={handleOpen} />
+									))}
+								</div>
+							</section>
+						);
+					})}
+				</div>
+			)}
+
+			<MediaViewerDialog artifact={selectedMedia} onClose={() => setSelectedMedia(null)} />
+			<MobileReportPanel />
+		</div>
+	);
+}