- Implement content metadata configuration (warnings, rights, distribution policy) - Add content rights UI with license selection and copyright info - Add content warnings UI with predefined and custom warnings - Add distribution policy with deleteAfter (duration in seconds) - Integrate manifest builder for C2PA signing - Add content filtering for warnings and distribution policies - Update segment model to include metadata from C2PA manifests - Add metadata form components for user consent workflow - Update lexicons for metadata schema - Fix deleteAfter type from string to number