Matches the convention used by 143_abs_playback_sessions and
147_abs_sessions. Functionally a no-op (DROP TABLE cascade-drops owned
indexes), but reads as complete next to its sibling migrations.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Backs the upcoming ABS-compatible bookmark endpoints. Schema and
rationale documented in
docs/superpowers/specs/2026-05-26-abs-bookmarks-design.md §5.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>