feat: integrate authored nightdrive soundtrack

tests/unit/content-schemas.test.ts

@@ -24,6 +24,10 @@ type MutableContentFixture = {
   };
   toolkit: Array<{ technologies: Array<{ assetId?: string }> }>;
   metadata: { socialPreviewAssetId?: string };
+  soundtrack?: {
+    intro: { opusAssetId: string; mp3AssetId: string };
+    main: { opusAssetId: string; mp3AssetId: string };
+  };
 };
 
 const cloneContent = (): MutableContentFixture => structuredClone(validContent) as MutableContentFixture;
@@ -39,6 +43,56 @@ describe('content schemas', () => {
     expect(parsePublicAssetManifest({ assets: [] })).toEqual({ assets: [] });
   });
 
+  it('accepts an optional soundtrack whose audio variants have exact manifest closure', () => {
+    const content = cloneContent();
+    content.soundtrack = {
+      intro: { opusAssetId: 'soundtrack-intro-opus', mp3AssetId: 'soundtrack-intro-mp3' },
+      main: { opusAssetId: 'soundtrack-main-opus', mp3AssetId: 'soundtrack-main-mp3' },
+    };
+    const audioMetadata = {
+      width: null,
+      height: null,
+      rightsHolder: 'Luca Pîslaru',
+      license: 'All rights reserved',
+      attribution: 'Original soundtrack by Luca Pîslaru',
+    };
+    const soundtrackAssets = [
+      { id: 'soundtrack-intro-opus', fileName: 'nightdrive-intro.opus', sha256: 'a'.repeat(64), mediaType: 'audio/ogg', durationMs: 56_064, ...audioMetadata },
+      { id: 'soundtrack-intro-mp3', fileName: 'nightdrive-intro.mp3', sha256: 'b'.repeat(64), mediaType: 'audio/mpeg', durationMs: 56_064, ...audioMetadata },
+      { id: 'soundtrack-main-opus', fileName: 'nightdrive-main.opus', sha256: 'c'.repeat(64), mediaType: 'audio/ogg', durationMs: 178_605, ...audioMetadata },
+      { id: 'soundtrack-main-mp3', fileName: 'nightdrive-main.mp3', sha256: 'd'.repeat(64), mediaType: 'audio/mpeg', durationMs: 178_605, ...audioMetadata },
+    ];
+    const manifest = {
+      assets: [...(validManifest as { assets: unknown[] }).assets, ...soundtrackAssets],
+    };
+
+    expect(validateProductionInputs(content, manifest, validSite, new URL('file:///prepared/')).content.soundtrack)
+      .toEqual(content.soundtrack);
+
+    content.soundtrack.main.mp3AssetId = 'missing-soundtrack';
+    expect(() => validateProductionInputs(content, manifest, validSite, new URL('file:///prepared/')))
+      .toThrow(/unmanifested asset reference: missing-soundtrack/i);
+  });
+
+  it('requires audio assets to have null dimensions and a positive duration', () => {
+    const audio = {
+      id: 'soundtrack-main-opus',
+      fileName: 'nightdrive-main.opus',
+      sha256: 'a'.repeat(64),
+      mediaType: 'audio/ogg',
+      width: null,
+      height: null,
+      durationMs: 178_605,
+      rightsHolder: 'Luca Pîslaru',
+      license: 'All rights reserved',
+      attribution: 'Original soundtrack by Luca Pîslaru',
+    };
+
+    expect(() => parsePublicAssetManifest({ assets: [audio] })).not.toThrow();
+    expect(() => parsePublicAssetManifest({ assets: [{ ...audio, width: 1 }] })).toThrow(/audio assets require null dimensions/i);
+    expect(() => parsePublicAssetManifest({ assets: [{ ...audio, durationMs: null }] })).toThrow(/audio assets require.*duration/i);
+  });
+
   it('accepts the approved generic private project titles', () => {
     for (const title of [
       'Private self-hosted medication tracker',