add diagnostics report

electron/electron-env.d.ts

@@ -150,6 +150,12 @@ interface Window {
 		setHasUnsavedChanges: (hasChanges: boolean) => void;
 		onRequestSaveBeforeClose: (callback: () => Promise<boolean> | boolean) => () => void;
 		setLocale: (locale: string) => Promise<void>;
+		saveDiagnostic: (payload: {
+			error: string;
+			stack?: string;
+			projectState: unknown;
+			logs: string[];
+		}) => Promise<{ success: boolean; path?: string; canceled?: boolean; error?: string }>;
 	};
 }
 

electron/ipc/handlers.ts

@@ -1,5 +1,6 @@
 import fs from "node:fs/promises";
 import { createRequire } from "node:module";
+import os from "node:os";
 import path from "node:path";
 import { fileURLToPath } from "node:url";
 
@@ -1317,4 +1318,45 @@ export function registerIpcHandlers(
 			return { success: false, error: String(error) };
 		}
 	});
+
+	ipcMain.handle(
+		"save-diagnostic",
+		async (
+			_,
+			payload: { error: string; stack?: string; projectState: unknown; logs: string[] },
+		) => {
+			const { filePath, canceled } = await dialog.showSaveDialog({
+				title: "Save Diagnostic File",
+				defaultPath: `openscreen-diagnostic-${Date.now()}.json`,
+				filters: [{ name: "JSON", extensions: ["json"] }],
+			});
+
+			if (canceled || !filePath) return { success: false, canceled: true };
+
+			const diagnostic = {
+				timestamp: new Date().toISOString(),
+				appVersion: app.getVersion(),
+				platform: process.platform,
+				arch: process.arch,
+				osRelease: os.release(),
+				osVersion: os.version(),
+				totalMemoryMB: Math.round(os.totalmem() / 1024 / 1024),
+				nodeVersion: process.versions.node,
+				electronVersion: process.versions.electron,
+				chromeVersion: process.versions.chrome,
+				error: payload.error,
+				stack: payload.stack,
+				projectState: payload.projectState,
+				recentLogs: payload.logs,
+			};
+
+			try {
+				await fs.writeFile(filePath, JSON.stringify(diagnostic, null, 2), "utf-8");
+				return { success: true, path: filePath };
+			} catch (error) {
+				console.error("Failed to write diagnostic file:", error);
+				return { success: false, error: String(error) };
+			}
+		},
+	);
 }

electron/preload.ts

@@ -134,6 +134,14 @@ contextBridge.exposeInMainWorld("electronAPI", {
 	setLocale: (locale: string) => {
 		return ipcRenderer.invoke("set-locale", locale);
 	},
+	saveDiagnostic: (payload: {
+		error: string;
+		stack?: string;
+		projectState: unknown;
+		logs: string[];
+	}) => {
+		return ipcRenderer.invoke("save-diagnostic", payload);
+	},
 	setMicrophoneExpanded: (expanded: boolean) => {
 		ipcRenderer.send("hud:setMicrophoneExpanded", expanded);
 	},

src/components/video-editor/SettingsPanel.tsx

@@ -3,6 +3,7 @@ import {
 	ChevronDown,
 	Crop,
 	Download,
+	FileDown,
 	Film,
 	Image,
 	Lock,
@@ -240,6 +241,7 @@ interface SettingsPanelProps {
 	webcamSizePreset?: WebcamSizePreset;
 	onWebcamSizePresetChange?: (size: WebcamSizePreset) => void;
 	onWebcamSizePresetCommit?: () => void;
+	onSaveDiagnostic?: () => Promise<void>;
 }
 
 export default SettingsPanel;
@@ -327,6 +329,7 @@ export function SettingsPanel({
 	webcamSizePreset = DEFAULT_WEBCAM_SIZE_PRESET,
 	onWebcamSizePresetChange,
 	onWebcamSizePresetCommit,
+	onSaveDiagnostic,
 }: SettingsPanelProps) {
 	const t = useScopedT("settings");
 	// Resolved URLs are for DOM rendering only (backgroundImage). The canonical
@@ -1682,6 +1685,16 @@ export function SettingsPanel({
 						<Bug className="w-3 h-3 text-[#34B27B]" />
 						{t("links.reportBug")}
 					</button>
+					{onSaveDiagnostic && (
+						<button
+							type="button"
+							onClick={onSaveDiagnostic}
+							className="flex-1 flex items-center justify-center gap-1.5 text-[10px] text-slate-500 hover:text-slate-300 py-1.5 transition-colors"
+						>
+							<FileDown className="w-3 h-3 text-slate-400" />
+							Save Diagnostics
+						</button>
+					)}
 					<button
 						type="button"
 						onClick={() => {

src/components/video-editor/VideoEditor.tsx

@@ -1730,6 +1730,19 @@ export default function VideoEditor() {
 		}
 	}, []);
 
+	const handleSaveDiagnostic = useCallback(async () => {
+		const result = await window.electronAPI.saveDiagnostic({
+			error: exportError ?? "Manual diagnostic export",
+			projectState: editorState,
+			logs: [],
+		});
+		if (result.success) {
+			toast.success("Diagnostic file saved");
+		} else if (!result.canceled) {
+			toast.error("Failed to save diagnostic file");
+		}
+	}, [exportError, editorState]);
+
 	if (loading) {
 		return (
 			<div className="flex items-center justify-center h-screen bg-background">
@@ -2100,6 +2113,7 @@ export default function VideoEditor() {
 						onSpeedDelete={handleSpeedDelete}
 						unsavedExport={unsavedExport}
 						onSaveUnsavedExport={handleSaveUnsavedExport}
+						onSaveDiagnostic={handleSaveDiagnostic}
 					/>
 				</div>
 			</div>