Redaction: solid-block default (drop gaussian, warn mosaic)

src/components/video-editor/AnnotationOverlay.tsx

@@ -5,6 +5,7 @@ import {
 	getBlurOverlayColor,
 	getMosaicGridOverlayColor,
 	getNormalizedMosaicBlockSize,
+	normalizeBlurType,
 } from "@/lib/blurEffects";
 import { cn } from "@/lib/utils";
 import { getArrowComponent } from "./ArrowSvgs";
@@ -85,7 +86,8 @@ export function AnnotationOverlay({
 	);
 	const [livePointerPoint, setLivePointerPoint] = useState<{ x: number; y: number } | null>(null);
 	const mosaicCanvasRef = useRef<HTMLCanvasElement | null>(null);
-	const blurType = "mosaic";
+	const blurType =
+		annotation.type === "blur" ? normalizeBlurType(annotation.blurData?.type) : "mosaic";
 	const blurOverlayColor =
 		annotation.type === "blur" ? getBlurOverlayColor(annotation.blurData) : "";
 	const mosaicGridOverlayColor =

src/components/video-editor/BlurSettingsPanel.tsx

@@ -1,4 +1,4 @@
-import { Trash2 } from "lucide-react";
+import { Copy, Trash2 } from "lucide-react";
 import { Button } from "@/components/ui/button";
 import { Slider } from "@/components/ui/slider";
 import { useScopedT } from "@/contexts/I18nContext";
@@ -19,13 +19,15 @@ interface BlurSettingsPanelProps {
 	blurRegion: AnnotationRegion;
 	onBlurDataChange: (blurData: BlurData) => void;
 	onBlurDataCommit?: () => void;
+	onDuplicate?: () => void;
 	onDelete: () => void;
 }
 
 export function BlurSettingsPanel({
 	blurRegion,
 	onBlurDataChange,
 	onBlurDataCommit,
+	onDuplicate,
 	onDelete,
 }: BlurSettingsPanelProps) {
 	const t = useScopedT("settings");
@@ -40,7 +42,10 @@ export function BlurSettingsPanel({
 	];
 
 	return (
-		<div className="min-w-0 p-4 flex flex-col h-full overflow-y-auto custom-scrollbar">
+		<div
+			data-testid="blur-settings-panel"
+			className="min-w-0 p-4 flex flex-col h-full overflow-y-auto custom-scrollbar"
+		>
 			<div className="mb-3">
 				<div className="mb-4">
 					<span className="text-[10px] font-semibold uppercase tracking-[0.18em] text-slate-500">
@@ -178,15 +183,29 @@ export function BlurSettingsPanel({
 					/>
 				</div>
 
-				<Button
-					onClick={onDelete}
-					variant="destructive"
-					size="sm"
-					className="w-full gap-2 bg-red-500/10 text-red-400 border border-red-500/20 hover:bg-red-500/20 hover:border-red-500/30 transition-all mt-4"
-				>
-					<Trash2 className="w-4 h-4" />
-					{t("annotation.deleteAnnotation")}
-				</Button>
+				<div className="mt-4 grid grid-cols-2 gap-2">
+					<Button
+						data-testid="blur-duplicate-button"
+						onClick={() => onDuplicate?.()}
+						variant="outline"
+						size="sm"
+						disabled={!onDuplicate}
+						className="w-full gap-2 bg-white/5 text-slate-200 border border-white/10 hover:bg-white/10 hover:border-white/20 transition-all"
+					>
+						<Copy className="w-4 h-4" />
+						Duplicate
+					</Button>
+
+					<Button
+						onClick={onDelete}
+						variant="destructive"
+						size="sm"
+						className="w-full gap-2 bg-red-500/10 text-red-400 border border-red-500/20 hover:bg-red-500/20 hover:border-red-500/30 transition-all"
+					>
+						<Trash2 className="w-4 h-4" />
+						{t("annotation.deleteAnnotation")}
+					</Button>
+				</div>
 			</div>
 		</div>
 	);

src/components/video-editor/KeyboardShortcutsHelp.tsx

@@ -10,13 +10,17 @@ export function KeyboardShortcutsHelp() {
 
 	return (
 		<div className="relative group">
-			<HelpCircle className="w-4 h-4 text-slate-500 hover:text-[#34B27B] transition-colors cursor-help" />
+			<HelpCircle
+				data-testid="keyboard-shortcuts-help"
+				className="w-4 h-4 text-slate-500 hover:text-[#34B27B] transition-colors cursor-help"
+			/>
 
 			<div className="absolute right-0 top-full mt-2 w-64 bg-[#09090b] border border-white/10 rounded-lg p-3 opacity-0 invisible group-hover:opacity-100 group-hover:visible transition-all duration-200 shadow-xl z-50">
 				<div className="flex items-center justify-between mb-2">
 					<span className="text-xs font-semibold text-slate-200">{t("title")}</span>
 					<button
 						type="button"
+						data-testid="keyboard-shortcuts-config-button"
 						onClick={openConfig}
 						title="Customize shortcuts"
 						className="flex items-center gap-1 text-[10px] text-slate-500 hover:text-[#34B27B] transition-colors"

src/components/video-editor/SettingsPanel.tsx

@@ -845,6 +845,9 @@ export function SettingsPanel({
 						blurRegion={selectedBlur}
 						onBlurDataChange={(blurData) => onBlurDataChange(selectedBlur.id, blurData)}
 						onBlurDataCommit={onBlurDataCommit}
+						onDuplicate={
+							onAnnotationDuplicate ? () => onAnnotationDuplicate(selectedBlur.id) : undefined
+						}
 						onDelete={() => onBlurDelete(selectedBlur.id)}
 					/>
 				</div>

src/components/video-editor/ShortcutsConfigDialog.tsx

@@ -148,7 +148,7 @@ export function ShortcutsConfigDialog() {
 								const isCapturing = captureFor === action;
 								const hasConflict = conflict?.forAction === action;
 								return (
-									<div key={action}>
+									<div key={action} data-testid={`shortcut-action-${action}`}>
 										<div className="flex items-center justify-between py-1.5 px-1 border-b border-white/5">
 											<span className="text-sm text-slate-300">{t(`actions.${action}`)}</span>
 											<button

src/components/video-editor/VideoEditor.tsx

@@ -95,6 +95,7 @@ import { SettingsPanel } from "./SettingsPanel";
 import TimelineEditor from "./timeline/TimelineEditor";
 import { buildAutoZoomSuggestions } from "./timeline/zoomSuggestionUtils";
 import {
+	buildDuplicatedAnnotationRegion,
 	buildPastedAnnotationRegion,
 	buildPastedZoomRegion,
 	cloneAnnotationRegion,
@@ -1749,34 +1750,31 @@ export default function VideoEditor() {
 
 	const handleAnnotationDuplicate = useCallback(
 		(id: string) => {
+			const sourceType = annotationRegions.find((region) => region.id === id)?.type;
+			if (!sourceType) return;
 			const duplicateId = `annotation-${nextAnnotationIdRef.current++}`;
 			const duplicateZIndex = nextAnnotationZIndexRef.current++;
 			pushState((prev) => {
 				const source = prev.annotationRegions.find((region) => region.id === id);
 				if (!source) return {};
 
-				const { annotationSource: _stripCaptionLink, ...sourceWithoutCaptionLink } = source;
-
-				const duplicate: AnnotationRegion = {
-					...sourceWithoutCaptionLink,
-					id: duplicateId,
-					zIndex: duplicateZIndex,
-					position: { x: source.position.x + 4, y: source.position.y + 4 },
-					size: { ...source.size },
-					style: { ...source.style },
-					figureData: source.figureData ? { ...source.figureData } : undefined,
-				};
+				const duplicate = buildDuplicatedAnnotationRegion(source, duplicateId, duplicateZIndex);
 
 				return { annotationRegions: [...prev.annotationRegions, duplicate] };
 			});
-			setSelectedAnnotationId(duplicateId);
+			if (sourceType === "blur") {
+				setSelectedBlurId(duplicateId);
+				setSelectedAnnotationId(null);
+			} else {
+				setSelectedAnnotationId(duplicateId);
+				setSelectedBlurId(null);
+			}
 			setSelectedZoomId(null);
 			setSelectedTrimId(null);
 			setSelectedSpeedId(null);
-			setSelectedBlurId(null);
 			setSelectedHighlightId(null);
 		},
-		[pushState],
+		[annotationRegions, pushState],
 	);
 
 	const handleAnnotationDelete = useCallback(

src/components/video-editor/annotationRegionClone.test.ts

@@ -0,0 +1,61 @@
+import { describe, expect, it } from "vitest";
+import { buildDuplicatedAnnotationRegion } from "./timelineClipboardUtils";
+import type { AnnotationRegion } from "./types";
+
+function createBlurRegion(overrides: Partial<AnnotationRegion> = {}): AnnotationRegion {
+	return {
+		id: "blur-1",
+		startMs: 100,
+		endMs: 900,
+		type: "blur",
+		content: "",
+		position: { x: 12, y: 18 },
+		size: { width: 32, height: 24 },
+		style: {
+			color: "#ffffff",
+			backgroundColor: "transparent",
+			fontSize: 32,
+			fontFamily: "Inter",
+			fontWeight: "bold",
+			fontStyle: "normal",
+			textDecoration: "none",
+			textAlign: "center",
+			textAnimation: "none",
+		},
+		zIndex: 3,
+		annotationSource: "auto-caption",
+		blurData: {
+			type: "mosaic",
+			shape: "freehand",
+			color: "white",
+			intensity: 12,
+			blockSize: 8,
+			freehandPoints: [
+				{ x: 10, y: 20 },
+				{ x: 40, y: 30 },
+				{ x: 70, y: 80 },
+			],
+		},
+		...overrides,
+	};
+}
+
+describe("buildDuplicatedAnnotationRegion", () => {
+	it("deep clones duplicated blur data without sharing mutable references", () => {
+		const source = createBlurRegion();
+		const duplicate = buildDuplicatedAnnotationRegion(source, "blur-2", 9);
+
+		expect(duplicate.id).toBe("blur-2");
+		expect(duplicate.zIndex).toBe(9);
+		expect(duplicate.annotationSource).toBeUndefined();
+		expect(duplicate.position).toEqual({ x: 16, y: 22 });
+
+		expect(duplicate).not.toBe(source);
+		expect(duplicate.position).not.toBe(source.position);
+		expect(duplicate.size).not.toBe(source.size);
+		expect(duplicate.style).not.toBe(source.style);
+		expect(duplicate.blurData).not.toBe(source.blurData);
+		expect(duplicate.blurData?.freehandPoints).not.toBe(source.blurData?.freehandPoints);
+		expect(duplicate.blurData?.freehandPoints?.[0]).not.toBe(source.blurData?.freehandPoints?.[0]);
+	});
+});

src/components/video-editor/featureFlags.test.ts

@@ -0,0 +1,8 @@
+import { describe, expect, it } from "vitest";
+import { BLUR_REGIONS_ENABLED } from "./featureFlags";
+
+describe("video editor feature flags", () => {
+	it("enables blur region entry points", () => {
+		expect(BLUR_REGIONS_ENABLED).toBe(true);
+	});
+});

src/components/video-editor/featureFlags.ts

@@ -1 +1 @@
-export const BLUR_REGIONS_ENABLED = false;
+export const BLUR_REGIONS_ENABLED = true;

src/components/video-editor/timeline/Item.tsx

@@ -98,6 +98,9 @@ export default function Item({
 	return (
 		<div
 			ref={setNodeRef}
+			data-timeline-item-id={id}
+			data-timeline-item-variant={variant}
+			data-selected={isSelected ? "true" : "false"}
 			style={safeItemStyle}
 			{...listeners}
 			{...attributes}

src/components/video-editor/timeline/Row.tsx

@@ -17,6 +17,7 @@ export default function Row({ id, children, hint, isEmpty, background }: RowProp
 
 	return (
 		<div
+			data-timeline-row-id={id}
 			className="border-b border-white/[0.055] bg-[#101116] relative overflow-hidden"
 			style={{ ...rowWrapperStyle, minHeight: 36 }}
 		>

src/components/video-editor/timeline/TimelineEditor.tsx

@@ -43,6 +43,7 @@ import Item from "./Item";
 import KeyframeMarkers from "./KeyframeMarkers";
 import Row from "./Row";
 import TimelineWrapper from "./TimelineWrapper";
+import { getNextOverlappingRegionId } from "./timelineCycleSelection";
 
 const ZOOM_ROW_ID = "row-zoom";
 const TRIM_ROW_ID = "row-trim";
@@ -788,6 +789,7 @@ function Timeline({
 
 	return (
 		<div
+			data-testid="timeline-editor-surface"
 			ref={setRefs}
 			style={{ ...style, touchAction: "none" }}
 			className="select-none bg-[#0b0c0f] min-h-[190px] relative cursor-pointer group"
@@ -1426,24 +1428,23 @@ export default function TimelineEditor({
 				handleAddHighlight();
 			}
 
-			// Tab cycles through overlapping annotations at the current time
-			if (e.key === "Tab" && annotationRegions.length > 0) {
+			// Tab cycles through overlapping items within the focused annotation/blur row.
+			if (e.key === "Tab") {
 				const currentTimeMs = Math.round(currentTime * 1000);
-				const overlapping = annotationRegions
-					.filter((a) => currentTimeMs >= a.startMs && currentTimeMs <= a.endMs)
-					.sort((a, b) => a.zIndex - b.zIndex);
+				const cycleBlurs = Boolean(selectedBlurId);
+				const nextId = getNextOverlappingRegionId({
+					regions: cycleBlurs ? blurRegions : annotationRegions,
+					selectedId: cycleBlurs ? selectedBlurId : selectedAnnotationId,
+					currentTimeMs,
+					backward: e.shiftKey,
+				});
 
-				if (overlapping.length > 0) {
+				if (nextId) {
 					e.preventDefault();
-
-					if (!selectedAnnotationId || !overlapping.some((a) => a.id === selectedAnnotationId)) {
-						onSelectAnnotation?.(overlapping[0].id);
+					if (cycleBlurs) {
+						onSelectBlur?.(nextId);
 					} else {
-						const currentIndex = overlapping.findIndex((a) => a.id === selectedAnnotationId);
-						const nextIndex = e.shiftKey
-							? (currentIndex - 1 + overlapping.length) % overlapping.length // Shift+Tab steps backward
-							: (currentIndex + 1) % overlapping.length;
-						onSelectAnnotation?.(overlapping[nextIndex].id);
+						onSelectAnnotation?.(nextId);
 					}
 				}
 			}
@@ -1496,8 +1497,10 @@ export default function TimelineEditor({
 		selectedSpeedId,
 		selectedHighlightId,
 		annotationRegions,
+		blurRegions,
 		currentTime,
 		onSelectAnnotation,
+		onSelectBlur,
 		keyShortcuts,
 		canCopySelectedItem,
 		canPasteTimelineItem,
@@ -1724,6 +1727,7 @@ export default function TimelineEditor({
 					</Button>
 					{BLUR_REGIONS_ENABLED && (
 						<Button
+							data-testid="timeline-add-blur-button"
 							onClick={handleAddBlur}
 							variant="ghost"
 							size="icon"