fix(reforcexy): port applicable QuickAdapter PR #261 fixes (#263)

fix(reforcexy): port applicable QuickAdapter PR #261 fixes (#263)

* fix(reforcexy): port applicable QuickAdapter PR #261 fixes

- Align prediction history to requested candle dates and exact strategy
  indexes (recorded/produced provenance, dedupe, exact-index attach).
- Freeze deployment feature coordinates for continual learning with
  independent cache/disk state restoration and explicit rejection of
  legacy or incompatible artifacts.
- Keep raw OHLC environment prices out of feature preprocessing; cold
  HPO trials use fresh candidate pipelines while the final continuation
  reuses the frozen deployment pipeline on the raw split.
- Return the current finite evaluation best checkpoint (best_model.zip)
  with final-policy fallback.
- Optional per-pair produced-observation action statistics with session
  warmup, numeric coercion and population standard deviation.
- Refresh BasedPyright snapshot; 2 argument-type errors resolved.

* fix(reforcexy): align resumed gamma and invalidate incompatible HPO state

* docs(reforcexy): clarify continuation and objective compatibility

* docs(reforcexy): condense continuation guidance

* fix(reforcexy): preserve replay buffer on best checkpoint selection

* chore(reforcexy): refresh basedpyright snapshot positions