Added documentation outlining the recommended frontend state-management approach using Unidirectional Data Flow (UDF). Documented the 2026-01-28 session addressing the critical SQLDelight async issue, detailing the analysis, fix implementation, and results. Updated PingEventRepositoryImpl to use `awaitAsOneOrNull` for proper async handling.
Applied a unified header format to all documentation files for better status identification, referencing, and ownership tracking. Archived outdated roadmaps, reports, and journal entries. Updated playbooks with new responsibilities, lifecycle rules, and consistent handover formats to align with the new archiving strategy.
Implemented a standardized folder structure for domain documentation to improve clarity and maintainability. Migrated existing files to the new structure, updated links in related documentation, and added README files for navigation and guidance.
