-- 148_audio_segments_idx.sql
-- Document Server 통합 플랫폼 Section 3: audio_segments 인덱스 (2/2)
-- plan: luminous-sprouting-hamster.md §3
--
-- AudioPlayer 가 `WHERE document_id=? ORDER BY start_s` 로 조회하는 경로용.

CREATE INDEX IF NOT EXISTS idx_audio_segments_doc_start
  ON audio_segments(document_id, start_s);