WO-2 — Kick off the EUIPO trademark mirror backfill.

Weekly zip is typically 300MB–1.2GB compressed. Expected wall-clock: 15–45 minutes.

Query params (optional): max_records — cap records for smoke slice verification.

Example (smoke): curl -X POST "https://api.etymolt.com/v1/cron/backfill-euipo-mirror?max_records=100" -H "Authorization: Bearer $ETL_CRON_TOKEN"

Example (real): curl -X POST "https://api.etymolt.com/v1/cron/backfill-euipo-mirror" -H "Authorization: Bearer $ETL_CRON_TOKEN"

Response: {"started_at": "...", "pid": 12345, "log_path": "/tmp/backfill_euipo_mirror.log", "note": "Detached. Poll /v1/cron/tm-index-coverage for progress."}