fix rendering issue from v1 to current

apps/web/src/app/projects/page.tsx

@@ -862,7 +862,7 @@ function ProjectsSkeleton() {
 	);
 
 	return (
-		<div className="xs:grid-cols-2 grid grid-cols-1 gap-6 sm:grid-cols-3 lg:grid-cols-4">
+		<div className="px-4 xs:grid-cols-2 grid grid-cols-1 gap-6 sm:grid-cols-3 lg:grid-cols-4">
 			{skeletonIds.map((skeletonId) => (
 				<Card
 					key={skeletonId}

apps/web/src/services/renderer/scene-builder.ts

@@ -29,10 +29,9 @@ export function buildScene(params: BuildSceneParams) {
 		(track) => !("hidden" in track && track.hidden),
 	);
 
-	const mainTrack = visibleTracks.find((track) => isMainTrack(track)) ?? null;
 	const orderedTracksTopToBottom = [
 		...visibleTracks.filter((track) => !isMainTrack(track)),
-		...(mainTrack ? [mainTrack] : []),
+		...visibleTracks.filter((track) => isMainTrack(track)),
 	];
 
 	const orderedTracksBottomToTop = orderedTracksTopToBottom.slice().reverse();

apps/web/src/services/storage/migrations/runner.ts

@@ -19,6 +19,8 @@ export interface MigrationProgress {
 
 let hasCleanedUpMetaDb = false;
 
+const MIN_MIGRATION_DISPLAY_MS = 1000;
+
 export async function runStorageMigrations({
 	migrations,
 	onProgress,
@@ -45,6 +47,7 @@ export async function runStorageMigrations({
 
 	const orderedMigrations = [...migrations].sort((a, b) => a.from - b.from);
 	let migratedCount = 0;
+	let migrationStartTime: number | null = null;
 
 	for (const project of projects) {
 		if (typeof project !== "object" || project === null) {
@@ -59,6 +62,11 @@ export async function runStorageMigrations({
 			continue;
 		}
 
+		// Track when we first showed the migration dialog
+		if (migrationStartTime === null) {
+			migrationStartTime = Date.now();
+		}
+
 		const projectName = getProjectName({ project: projectRecord });
 		onProgress?.({
 			isMigrating: true,
@@ -90,6 +98,16 @@ export async function runStorageMigrations({
 		}
 	}
 
+	// Ensure dialog is visible for minimum time so users can see it
+	if (migrationStartTime !== null) {
+		const elapsed = Date.now() - migrationStartTime;
+		if (elapsed < MIN_MIGRATION_DISPLAY_MS) {
+			await new Promise((resolve) =>
+				setTimeout(resolve, MIN_MIGRATION_DISPLAY_MS - elapsed),
+			);
+		}
+	}
+
 	onProgress?.({
 		isMigrating: false,
 		fromVersion: null,

apps/web/src/services/storage/migrations/transformers/v1-to-v2.ts

@@ -26,7 +26,7 @@ interface LegacyMediaElement {
 	type: "media";
 	mediaId: string;
 	muted?: boolean;
-	[id: string]: unknown;
+	[key: string]: unknown;
 }
 
 interface LegacyTextElement {
@@ -35,19 +35,19 @@ interface LegacyTextElement {
 	y: number;
 	rotation: number;
 	opacity: number;
-	[id: string]: unknown;
+	[key: string]: unknown;
 }
 
 interface LegacyAudioElement {
 	type: "audio";
 	mediaId: string;
-	[id: string]: unknown;
+	[key: string]: unknown;
 }
 
 interface LegacyMediaTrack {
 	type: "media";
 	elements: unknown[];
-	[id: string]: unknown;
+	[key: string]: unknown;
 }
 
 export interface TransformV1ToV2Options {
@@ -265,35 +265,38 @@ async function transformTracks({
 	}
 
 	let isFirstVideoTrackFound = false;
+	const transformedTracks: (TimelineTrack | null)[] = [];
 
-	const transformedTracks = await Promise.all(
-		tracks.map(async (track) => {
-			if (!isRecord(track)) {
-				return null;
-			}
+	for (const track of tracks) {
+		if (!isRecord(track)) {
+			transformedTracks.push(null);
+			continue;
+		}
 
-			const trackType = track.type;
-			if (trackType === "media") {
-				const videoTrack = await transformMediaTrack({
-					track: track as LegacyMediaTrack,
-					loadMediaAsset,
-					isMain: !isFirstVideoTrackFound,
-				});
-				isFirstVideoTrackFound = true;
-				return videoTrack;
-			}
+		const trackType = track.type;
+		if (trackType === "media") {
+			const videoTrack = await transformMediaTrack({
+				track: track as LegacyMediaTrack,
+				loadMediaAsset,
+				isMain: !isFirstVideoTrackFound,
+			});
+			isFirstVideoTrackFound = true;
+			transformedTracks.push(videoTrack);
+			continue;
+		}
 
-			if (trackType === "text") {
-				return transformTextTrack({ track });
-			}
+		if (trackType === "text") {
+			transformedTracks.push(transformTextTrack({ track }));
+			continue;
+		}
 
-			if (trackType === "audio") {
-				return transformAudioTrack({ track });
-			}
+		if (trackType === "audio") {
+			transformedTracks.push(transformAudioTrack({ track }));
+			continue;
+		}
 
-			return null;
-		}),
-	);
+		transformedTracks.push(null);
+	}
 
 	return transformedTracks.filter(
 		(track): track is TimelineTrack => track !== null,

apps/web/src/services/storage/migrations/v1-to-v2.ts

@@ -33,8 +33,7 @@ export class V1toV2Migration extends StorageMigration {
 		});
 
 		if (!result.skipped) {
-			// cleanup legacy timeline DBs after successful transformation
-			await cleanupLegacyTimelineDBs({
+			void cleanupLegacyTimelineDBs({
 				projectId,
 				project: result.project,
 			});
@@ -60,13 +59,13 @@ function createMediaAssetLoader({
 	};
 }
 
-async function cleanupLegacyTimelineDBs({
+function cleanupLegacyTimelineDBs({
 	projectId,
 	project,
 }: {
 	projectId: string;
 	project: ProjectRecord;
-}): Promise<void> {
+}): void {
 	const scenes = project.scenes;
 	if (!Array.isArray(scenes)) {
 		return;
@@ -89,11 +88,12 @@ async function cleanupLegacyTimelineDBs({
 	const projectDbName = `video-editor-timelines-${projectId}`;
 	dbNamesToDelete.push(projectDbName);
 
-	for (const dbName of dbNamesToDelete) {
-		try {
-			await deleteDatabase({ dbName });
-		} catch {
-			// ignore errors, DB might not exist or already deleted
-		}
-	}
+	// Fire-and-forget: delete in parallel, don't block migration
+	void Promise.all(
+		dbNamesToDelete.map((dbName) =>
+			deleteDatabase({ dbName }).catch(() => {
+				// ignore errors, DB might not exist or already deleted
+			}),
+		),
+	);
 }