jgrusewski 1934367bfa refactor(ml): consolidate 13 duplicate OHLCVBar definitions into single canonical type ...

Created ml/src/types/ohlcv.rs as the single source of truth for OHLCVBar
(DateTime<Utc> timestamp, f64 OHLCV fields). Replaced all 13 duplicate
definitions across features/, regime/, real_data_loader, and evaluation/
with imports from crate::types::OHLCVBar.

Key changes:
- New: ml/src/types/mod.rs + ohlcv.rs with canonical OHLCVBar
  (derives: Debug, Clone, Copy, PartialEq, Serialize, Deserialize + Default)
- Renamed: evaluation::metrics::OHLCVBar → OHLCVBarF32 (genuinely
  different type: f32 fields, i64 timestamp for compact backtesting)
- Eliminated all import aliases (ExtractionOHLCVBar, RegimeOHLCVBar,
  PriceOHLCVBar, VolumeOHLCVBar) in dbn_sequence_loader.rs and pipeline.rs
- Renamed regime::orchestrator::Bar → OHLCVBar (same fields, just aliased)
- Updated 39 files total (13 definitions removed, imports normalized)

1883 lib tests passing, compilation clean.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-02-20 18:14:42 +01:00

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