Jufe-509 May 2026

Guided by the resonant crystal’s pulse, the bots drilled a narrow tunnel deeper into the ice, carving a path toward an unseen void. As they progressed, the ambient temperature rose, and the pressure increased—signs they were approaching a massive cavity.

| Component | Responsibility | |-----------|-----------------| | | Date picker, status filter, column selector, export button, progress UI, error handling. | | API Endpoint ( POST /api/v1/reports/export ) | Validate request, enforce permissions, enqueue job, return job‑id or immediate download URL. | | Export Service | Build SQL query based on filters, stream rows to CSV/Excel writer, attach audit metadata, store file temporarily (e.g., S3 bucket). | | Async Worker | Consumes jobs from queue, invokes Export Service, on success triggers email notification with signed link, updates job status in DB. | | Email Service | Generates templated email with secure download URL. | | Audit Logger | Writes to report_export_audit table (user_id, request_time, filter_json, row_count, format, file_location). | | Rate‑Limiter Middleware | Checks per‑user export request count (Redis sliding‑window). | | Metrics Collector | Emits Prometheus counters/histograms for monitoring. | JUFE-509

Chapter 5: The Gate