fix: resolve TypeScript and test configuration issues for Phase 13

feat: integrate insights recommendations and badge into create flow

types: add appliedInsights field to StructureData response

types: ensure scheduledFor in PublishRequest

fix: add error handling, remove any types, validate inputs in scheduler

types: add schedule types (ScheduleRequest, ScheduledCarousel, ScheduleData)

feat: define platform types for Phase 8 publishing