v4.21.0

Minor Changes

• bb491ed: Sync schemas and types for AdCP 3.0.0-rc.3

Patch Changes

• 21b2053: fix: eliminate comply tester false positive observations
  • Add observation_data field to TestStepResult to separate structured data (for observations) from display-only response_preview, eliminating false positives from snapshot-only get_media_buys previews
  • Handle nested media_buy response envelope when extracting canceled_by, canceled_at, and revision from cancel step
  • Suppress schema validation console noise via existing logSchemaViolations config instead of monkey-patching console