fix(design): connect video preparation and playable history

tests/fixtures/design-workspace-v2.ts

@@ -13,6 +13,24 @@ export const designCapabilitiesFixture: DesignCapabilities = {
   generation: true,
   image: true,
   video: true,
+  generationOptions: {
+    image: {
+      available: true,
+      supportedAspectRatios: ['1:1', '3:4', '9:16', '4:3', '16:9'],
+      supportedDurationSeconds: [],
+      maxOutputCount: 4,
+      requiresFirstFrame: false,
+      supportedReferenceRoles: ['inspiration', 'subject_identity'],
+    },
+    video: {
+      available: true,
+      supportedAspectRatios: ['1:1', '3:4', '9:16', '4:3', '16:9'],
+      supportedDurationSeconds: Array.from({ length: 30 }, (_, index) => index + 1),
+      maxOutputCount: 4,
+      requiresFirstFrame: true,
+      supportedReferenceRoles: ['first_frame'],
+    },
+  },
 };
 
 export const designValuesFixture: DesignSpecificationValues = {