AutoSQUID v0.3.0 adds segment-yield acquisition for scan intervals where full clean traces are hard to collect.
- Added Config.segment_goal=(n_segments, segment_length).
- Segment mode keeps acquiring full n_points runs, then counts full clean windows from each usable prefix.
- Added goals.py for acquisition-goal logic.
- Added ledger fields for segment progress: goal_mode, goal_progress, segment_length, accepted_segments.
- Added backfill_ledger() for post-run ledger migration/backfill.
- Added plot_segment_psd_folder() for folder-based PSDs of usable segments.
- Added locate_usable=True so legacy jumped traces can be truncated before segment PSD plotting.
- Added optional segment_clean_only=True to drop failed individual segments from PSD overlays.