October 2025 monthly summary for development: Delivered feature enhancements and stabilized test infrastructure across two repositories. In the notify integration API, implemented CSIDVDEFLET and Letter Template Enhancements with v2 lifecycle integration, readability improvements, link normalization, and updated LLP vs company messaging, plus enhancements to warning blocks and improved notification timing for overdue/verification statements. Implemented robust test infrastructure and cleanup to improve maintainability and CI reliability. In the Bruno Personalisation Details alignment, updated data schema in line with the chips repository to support new personalization logic. Key achievements and impact: - Key features delivered: CSIDVDEFLET and Letter Template Enhancements with v2 lifecycle management, improved readability, link handling, and notification timing; Bruno data schema alignment with chips for improved personalization. - Major bugs fixed: stabilized integration tests by fixing failing tests, tagging for discovery, removing obsolete assets, and cleaning up unused constants; corrected warning symbol sorting and other minor template issues; removed outdated https usage in form links. - Overall impact: improved reliability of notification delivery, better compliance with templating standards, and smoother cross-repo data alignment enabling faster feature delivery and reduced CI noise. - Technologies/skills demonstrated: API design and templating, JSON schema updates and data migration, test infrastructure and CI automation, integration testing, and cross-repo collaboration for data consistency.