From cbd1b8212370c67b34a70dccd21bd82de72fead2 Mon Sep 17 00:00:00 2001
From: Maze Winther <mazewinther@gmail.com>
Date: Tue, 7 Apr 2026 04:41:27 +0200
Subject: refactor: structured track layout per scene

---
 .../src/lib/timeline/placement/track-factory.ts    | 66 +++++++++++++++++++++-
 1 file changed, 64 insertions(+), 2 deletions(-)

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

diff --git a/apps/web/src/lib/timeline/placement/track-factory.ts b/apps/web/src/lib/timeline/placement/track-factory.ts
index ee056261..b73c5155 100644
--- a/apps/web/src/lib/timeline/placement/track-factory.ts
+++ b/apps/web/src/lib/timeline/placement/track-factory.ts
@@ -1,6 +1,69 @@
 import { DEFAULT_TRACK_NAMES } from "@/lib/timeline/tracks";
-import type { TrackType, TimelineTrack } from "@/lib/timeline";
+import type {
+	AudioTrack,
+	EffectTrack,
+	GraphicTrack,
+	TextTrack,
+	TrackType,
+	TimelineTrack,
+	VideoTrack,
+} from "@/lib/timeline";
 
+export function buildEmptyTrack({
+	id,
+	type,
+	name,
+}: {
+	id: string;
+	type: "video";
+	name?: string;
+}): VideoTrack;
+export function buildEmptyTrack({
+	id,
+	type,
+	name,
+}: {
+	id: string;
+	type: "text";
+	name?: string;
+}): TextTrack;
+export function buildEmptyTrack({
+	id,
+	type,
+	name,
+}: {
+	id: string;
+	type: "audio";
+	name?: string;
+}): AudioTrack;
+export function buildEmptyTrack({
+	id,
+	type,
+	name,
+}: {
+	id: string;
+	type: "graphic";
+	name?: string;
+}): GraphicTrack;
+export function buildEmptyTrack({
+	id,
+	type,
+	name,
+}: {
+	id: string;
+	type: "effect";
+	name?: string;
+}): EffectTrack;
+
+export function buildEmptyTrack({
+	id,
+	type,
+	name,
+}: {
+	id: string;
+	type: TrackType;
+	name?: string;
+}): TimelineTrack;
 export function buildEmptyTrack({
 	id,
 	type,
@@ -21,7 +84,6 @@ export function buildEmptyTrack({
 				elements: [],
 				hidden: false,
 				muted: false,
-				isMain: false,
 			};
 		case "text":
 			return {
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