Update scene document version and add project sequence duration

src/document/scene-document.ts

@@ -32,7 +32,8 @@ import {
   type ProjectSequenceLibrary
 } from "../sequencer/project-sequences";
 
-export const SCENE_DOCUMENT_VERSION = 54 as const;
+export const SCENE_DOCUMENT_VERSION = 55 as const;
+export const PROJECT_SEQUENCE_TIMING_SCENE_DOCUMENT_VERSION = 55 as const;
 export const PROJECT_SEQUENCE_CLIPS_SCENE_DOCUMENT_VERSION = 54 as const;
 export const PROJECT_SEQUENCE_LIBRARY_SCENE_DOCUMENT_VERSION = 53 as const;
 export const PLAYER_START_PAUSE_BINDINGS_SCENE_DOCUMENT_VERSION = 52 as const;

src/sequencer/project-sequences.ts

@@ -2,6 +2,8 @@ import { createOpaqueId } from "../core/ids";
 
 import {
   cloneSequenceClip,
+  DEFAULT_PROJECT_SEQUENCE_DURATION_MINUTES,
+  getProjectSequenceDurationMinutes,
   type SequenceClip,
   type SequenceStep
 } from "./project-sequence-steps";
@@ -9,6 +11,7 @@ import {
 export interface ProjectSequence {
   id: string;
   title: string;
+  durationMinutes: number;
   clips: SequenceClip[];
 }
 
@@ -26,6 +29,16 @@ function normalizeProjectSequenceTitle(title: string | undefined): string {
   return normalizedTitle;
 }
 
+function normalizeProjectSequenceDurationMinutes(
+  value: number | undefined
+): number {
+  if (value === undefined || !Number.isFinite(value)) {
+    return DEFAULT_PROJECT_SEQUENCE_DURATION_MINUTES;
+  }
+
+  return Math.max(1, Math.trunc(value));
+}
+
 export function createEmptyProjectSequenceLibrary(): ProjectSequenceLibrary {
   return {
     sequences: {}
@@ -33,15 +46,21 @@ export function createEmptyProjectSequenceLibrary(): ProjectSequenceLibrary {
 }
 
 export function createProjectSequence(
-  overrides: Partial<Pick<ProjectSequence, "id" | "title">> & {
+  overrides: Partial<Pick<ProjectSequence, "id" | "title" | "durationMinutes">> & {
     clips?: SequenceClip[];
     steps?: SequenceStep[];
   } = {}
 ): ProjectSequence {
+  const clips = (overrides.clips ?? overrides.steps)?.map(cloneSequenceClip) ?? [];
+
   return {
     id: overrides.id ?? createOpaqueId("sequence"),
     title: normalizeProjectSequenceTitle(overrides.title ?? "Sequence"),
-    clips: (overrides.clips ?? overrides.steps)?.map(cloneSequenceClip) ?? []
+    durationMinutes: normalizeProjectSequenceDurationMinutes(
+      overrides.durationMinutes ??
+        (clips.length > 0 ? getProjectSequenceDurationMinutes({ id: "sequence", clips }) : undefined)
+    ),
+    clips
   };
 }
 
@@ -51,6 +70,7 @@ export function cloneProjectSequence(
   return {
     id: sequence.id,
     title: sequence.title,
+    durationMinutes: sequence.durationMinutes,
     clips: sequence.clips.map(cloneSequenceClip)
   };
 }
@@ -75,6 +95,7 @@ export function areProjectSequencesEqual(
   if (
     left.id !== right.id ||
     left.title !== right.title ||
+    left.durationMinutes !== right.durationMinutes ||
     left.clips.length !== right.clips.length
   ) {
     return false;