DROP TABLE IF EXISTS intro_season_analysis_state; DROP INDEX IF EXISTS idx_media_intro_fingerprints_hash; DROP TABLE IF EXISTS media_intro_fingerprints; ALTER TABLE media_files DROP COLUMN IF EXISTS intro_markers_detected_at, DROP COLUMN IF EXISTS intro_markers_algorithm, DROP COLUMN IF EXISTS intro_markers_confidence, DROP COLUMN IF EXISTS intro_markers_source; ALTER TABLE media_folders DROP COLUMN IF EXISTS intro_detection_enabled;