Restore auto full-track clip on reopen

src/components/video-editor/VideoEditor.tsx

@@ -1175,6 +1175,8 @@ export default function VideoEditor() {
 				zoomRegions: ZoomRegion[];
 				trimRegions: TrimRegion[];
 				clipRegions: ClipRegion[];
+				autoFullTrackClipId?: string | null;
+				autoFullTrackClipEndMs?: number | null;
 				speedRegions: SpeedRegion[];
 				annotationRegions: AnnotationRegion[];
 				audioRegions: AudioRegion[];
@@ -1298,6 +1300,8 @@ export default function VideoEditor() {
 				zoomRegions,
 				trimRegions,
 				clipRegions,
+				autoFullTrackClipId: autoFullTrackClipIdRef.current,
+				autoFullTrackClipEndMs: autoFullTrackClipEndMsRef.current,
 				speedRegions,
 				annotationRegions,
 				audioRegions,
@@ -1531,6 +1535,8 @@ export default function VideoEditor() {
 			setTrimRegions(normalizedEditor.trimRegions);
 			setClipRegions(normalizedEditor.clipRegions);
 			clipInitializedRef.current = normalizedEditor.clipRegions.length > 0;
+                        autoFullTrackClipIdRef.current = normalizedEditor.autoFullTrackClipId ?? null;
+                        autoFullTrackClipEndMsRef.current = normalizedEditor.autoFullTrackClipEndMs ?? null;
 			setSpeedRegions(normalizedEditor.speedRegions);
 			setAnnotationRegions(normalizedEditor.annotationRegions);
 			setAudioRegions(normalizedEditor.audioRegions);

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

@@ -0,0 +1,27 @@
+import { describe, expect, it } from "vitest";
+
+import { normalizeProjectEditor } from "./projectPersistence";
+
+describe("normalizeProjectEditor", () => {
+	it("preserves auto full-track clip metadata for reopened projects", () => {
+		const normalized = normalizeProjectEditor({
+			clipRegions: [{ id: "clip-1", startMs: 0, endMs: 5_000, speed: 1 }],
+			autoFullTrackClipId: "clip-1",
+			autoFullTrackClipEndMs: 5_000,
+		});
+
+		expect(normalized.autoFullTrackClipId).toBe("clip-1");
+		expect(normalized.autoFullTrackClipEndMs).toBe(5_000);
+	});
+
+	it("drops invalid auto full-track clip metadata", () => {
+		const normalized = normalizeProjectEditor({
+			clipRegions: [{ id: "clip-1", startMs: 0, endMs: 5_000, speed: 1 }],
+			autoFullTrackClipId: 123 as unknown as string,
+			autoFullTrackClipEndMs: Number.NaN,
+		});
+
+		expect(normalized.autoFullTrackClipId).toBeNull();
+		expect(normalized.autoFullTrackClipEndMs).toBeNull();
+	});
+});

src/components/video-editor/projectPersistence.ts

@@ -98,6 +98,8 @@ export interface ProjectEditorState {
 	zoomRegions: ZoomRegion[];
 	trimRegions: TrimRegion[];
 	clipRegions: ClipRegion[];
+	autoFullTrackClipId?: string | null;
+	autoFullTrackClipEndMs?: number | null;
 	speedRegions: SpeedRegion[];
 	annotationRegions: AnnotationRegion[];
 	audioRegions: AudioRegion[];
@@ -411,6 +413,12 @@ export function normalizeProjectEditor(editor: Partial<ProjectEditorState>): Pro
 				})
 		: [];
 
+	const normalizedAutoFullTrackClipId =
+		typeof editor.autoFullTrackClipId === "string" ? editor.autoFullTrackClipId : null;
+	const normalizedAutoFullTrackClipEndMs = isFiniteNumber(editor.autoFullTrackClipEndMs)
+		? Math.round(editor.autoFullTrackClipEndMs)
+		: null;
+
 	const normalizedSpeedRegions: SpeedRegion[] = Array.isArray(editor.speedRegions)
 		? editor.speedRegions
 				.filter((region): region is SpeedRegion =>
@@ -761,6 +769,8 @@ export function normalizeProjectEditor(editor: Partial<ProjectEditorState>): Pro
 		zoomRegions: normalizedZoomRegions,
 		trimRegions: normalizedTrimRegions,
 		clipRegions: normalizedClipRegions,
+		autoFullTrackClipId: normalizedAutoFullTrackClipId,
+		autoFullTrackClipEndMs: normalizedAutoFullTrackClipEndMs,
 		speedRegions: normalizedSpeedRegions,
 		annotationRegions: normalizedAnnotationRegions,
 		audioRegions: normalizedAudioRegions,