src/lib/services/ ├── documents/ # Document-related services │ ├── metadata-utils.ts # ⭐ Shared metadata utilities │ ├── metadata.ts # Document metadata fetching with caching │ ├── document-versions.ts # Document version history │ └── newer-versions.ts # Newer version detection │ ├── mandates/ # Mandate/PPB-related services │ ├── data-service.ts # PPB records & entities │ ├── age-indicator.ts # Document age calculations │ ├── decision-reasons.ts # Decision reason logic │ ├── mandate-warnings.ts # Warning generation │ ├── warnings-utils.ts # Warning helpers │ ├── reference-data.ts # Reference data (issuing bodies, etc.) │ └── transformData.ts # Data transformation utils │ ├── export/ # Export functionality │ ├── export-docx.ts # DOCX export │ └── export-excel.ts # Excel export │ ├── client/ # Client-side services │ └── client-data-service.ts │ └── housekeeping-actions.ts # Server actions (root level)