chore(pkg/etl): release 1.7.1

[openaudio-release-bot]

Automated release PR generated by release-please. Only the root v* release promotes :stable; pkg/etl publishes a Go module tag only.

1.7.1 (2026-08-19)

Bug Fixes

• etl: don't let a deleted artist pick block every profile edit (#510) (81f4af5)
• etl: exit bounded runs instead of hanging in Wait() (#512) (570b44f)
• etl: persist DDEX rights metadata on track create (#517) (88b83b3)
• etl: persist track_downloads.created_at instead of defaulting to now() (#515) (c16e46a)
• etl: resume from MAX(block_height) and honor --start (#513) (6a2724b)
• parity: compare playlists_containing_track as a set, accept duration NULL->0 (#518) (ad8a40a)
• parity: stop keying track_downloads on txhash (#516) (6e7253e)

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