feat(executor): L1346 (c) second half — price_cache + eod_reconcile prefer universe.SPY#208
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…refer universe.SPY with macro fallback Completes the L1346 (c) retirement of SPY-special-cases across the executor. Pre-fix sites used `if ticker in _MACRO_SYMBOLS` to route SPY reads to macro library (Close-only); post-L1346 #245 universe.SPY now has full OHLCV via `_UNIVERSE_EXTRA`. Implementation (mirrors alpha-engine-predictor #196 defensive shape): - `executor/price_cache.py::load_price_histories` — gates on `_MACRO_SYMBOLS_NO_OHLCV = _MACRO_SYMBOLS - {"SPY"}`. SPY routes to universe first; on universe-read failure, defensive fallback to macro.SPY (clearly logged via dual-exception-class read_errors line). - `executor/eod_reconcile.py` — same routing flip + defensive fallback. Non-SPY macro symbols (VIX/TNX/IRX/sector ETFs) remain macro-routed (still Close-only in macro library; no universe entry). Defensive fallback can be removed once L1346 (b)+(c) soak clean for ≥1 Saturday cycle (operator-promoted soak; ~1-2 Saturdays out). Test plan: - Full executor suite 962 pass. - Pre-existing alpha-engine #185 ATR exclusion site already updated to `_MACRO_SYMBOLS_NO_OHLCV` (PR #207). Closes ROADMAP L1346 (c) second half. Combined with #207 (first half) + #196 (predictor (b) gate), the entire L1346 retirement arc is now shipped except the operator soak-watch. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Complete L1346 (c) retirement of SPY-special-cases in executor:
executor/price_cache.py::load_price_histories— routes SPY to universe first, macro fallback on failureexecutor/eod_reconcile.py— same routing + fallback shapeNon-SPY macro symbols (VIX/TNX/IRX/sector ETFs) remain macro-routed (still Close-only).
Defensive fallback removable after L1346 (b)+(c) soak clean ≥1 Saturday cycle.
Test plan
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