fix: decouple warmup cache hash and enforce current warmup map on cache hits#564
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fix: decouple warmup cache hash and enforce current warmup map on cache hits#564
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Configs that differ only in trading parameters (EMA spans, warmup ratio) now share the same HLCV cache slot instead of triggering redundant re-downloads. The cache uses a ratchet-up strategy: warmup sufficiency is checked at load time via cache_meta.json, and the cache is overwritten only when a larger warmup is needed. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary\n- decouple from backtest HLCV cache hash for better reuse\n- add cache warmup sufficiency gate via \n- ensure current config warmup map overrides cached per-coin warmup metadata on load\n- add regression tests for warmup cache reuse and warmup-map override behavior\n\n## Validation\n- pytest -q tests/test_cache_warmup_reuse.py\n- pytest -q tests/test_hlcvs_valid_ranges.py\n- pytest -q tests/test_config_coin_sources.py