From eea6d43c82e1fd09d94d73001090dad205b1f1d2 Mon Sep 17 00:00:00 2001
From: Maze Winther <mazewinther@gmail.com>
Date: Sun, 26 Apr 2026 02:50:04 +0200
Subject: fix: model editor time as wasm MediaTime ticks end-to-end

---
 apps/web/src/timeline/placement/main-track.ts | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'apps/web/src/timeline/placement/main-track.ts')

diff --git a/apps/web/src/timeline/placement/main-track.ts b/apps/web/src/timeline/placement/main-track.ts
index ab2ab7bd..36632226 100644
--- a/apps/web/src/timeline/placement/main-track.ts
+++ b/apps/web/src/timeline/placement/main-track.ts
@@ -1,4 +1,5 @@
 import type { SceneTracks, TimelineElement, VideoTrack } from "@/timeline";
+import { type MediaTime, ZERO_MEDIA_TIME } from "@/wasm";
 
 export const MAIN_TRACK_NAME = "Main Track";
 
@@ -31,9 +32,9 @@ export function enforceMainTrackStart({
 }: {
 	tracks: SceneTracks;
 	targetTrackId: string;
-	requestedStartTime: number;
+	requestedStartTime: MediaTime;
 	excludeElementId?: string;
-}): number {
+}): MediaTime {
 	if (tracks.main.id !== targetTrackId) {
 		return requestedStartTime;
 	}
@@ -43,11 +44,11 @@ export function enforceMainTrackStart({
 		excludeElementId,
 	});
 	if (!earliestElement) {
-		return 0;
+		return ZERO_MEDIA_TIME;
 	}
 
 	if (requestedStartTime <= earliestElement.startTime) {
-		return 0;
+		return ZERO_MEDIA_TIME;
 	}
 
 	return requestedStartTime;
-- 
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