feat(web): add download original action to editor header

surfsense_web/components/documents/download-original-button.tsx

@@ -0,0 +1,79 @@
+"use client";
+
+import { Download } from "lucide-react";
+import { useEffect, useState } from "react";
+import { toast } from "sonner";
+import { Button } from "@/components/ui/button";
+import { Spinner } from "@/components/ui/spinner";
+import { documentsApiService } from "@/lib/apis/documents-api.service";
+import { authenticatedFetch } from "@/lib/auth-utils";
+import { BACKEND_URL } from "@/lib/env-config";
+
+interface DownloadOriginalButtonProps {
+	documentId: number;
+}
+
+/** Renders only when the document has a stored ORIGINAL file; downloads it on click. */
+export function DownloadOriginalButton({ documentId }: DownloadOriginalButtonProps) {
+	const [originalFilename, setOriginalFilename] = useState<string | null>(null);
+	const [downloading, setDownloading] = useState(false);
+
+	useEffect(() => {
+		let active = true;
+		documentsApiService
+			.getDocumentFiles(documentId)
+			.then((files) => {
+				if (!active) return;
+				const original = files.find((file) => file.kind === "ORIGINAL");
+				setOriginalFilename(original?.original_filename ?? null);
+			})
+			.catch(() => {
+				if (active) setOriginalFilename(null);
+			});
+		return () => {
+			active = false;
+		};
+	}, [documentId]);
+
+	if (!originalFilename) return null;
+
+	const handleDownload = async () => {
+		setDownloading(true);
+		try {
+			const response = await authenticatedFetch(
+				`${BACKEND_URL}/api/v1/documents/${documentId}/download-original`,
+				{ method: "GET" }
+			);
+			if (!response.ok) throw new Error("Download failed");
+
+			const blob = await response.blob();
+			const url = URL.createObjectURL(blob);
+			const anchor = document.createElement("a");
+			anchor.href = url;
+			anchor.download = originalFilename;
+			document.body.appendChild(anchor);
+			anchor.click();
+			anchor.remove();
+			URL.revokeObjectURL(url);
+			toast.success("Download started");
+		} catch {
+			toast.error("Failed to download original file");
+		} finally {
+			setDownloading(false);
+		}
+	};
+
+	return (
+		<Button
+			variant="ghost"
+			size="icon"
+			className="size-6"
+			onClick={handleDownload}
+			disabled={downloading}
+			title={`Download original (${originalFilename})`}
+		>
+			{downloading ? <Spinner size="xs" /> : <Download className="size-3.5" />}
+			<span className="sr-only">Download original file</span>
+		</Button>
+	);
+}

surfsense_web/components/editor-panel/editor-panel.tsx

@@ -15,6 +15,7 @@ import dynamic from "next/dynamic";
 import { useCallback, useEffect, useRef, useState } from "react";
 import { toast } from "sonner";
 import { closeEditorPanelAtom, editorPanelAtom } from "@/atoms/editor/editor-panel.atom";
+import { DownloadOriginalButton } from "@/components/documents/download-original-button";
 import { VersionHistoryButton } from "@/components/documents/version-history";
 import { SourceCodeEditor } from "@/components/editor/source-code-editor";
 import {
@@ -584,6 +585,9 @@ export function EditorPanelContent({
 											documentType={editorDoc.document_type}
 										/>
 									)}
+									{!isLocalFileMode && !isMemoryMode && documentId && (
+										<DownloadOriginalButton documentId={documentId} />
+									)}
 									<Button
 										variant="ghost"
 										size="icon"
@@ -668,6 +672,9 @@ export function EditorPanelContent({
 										documentType={editorDoc.document_type}
 									/>
 								)}
+								{!isLocalFileMode && !isMemoryMode && documentId && (
+									<DownloadOriginalButton documentId={documentId} />
+								)}
 								<Button
 									variant="ghost"
 									size="icon"