Add docstrings to refresh_stock_metadata functions#3
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…stock_metadata-functions Add docstrings to refresh_stock_metadata functions
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Adversarial multi-agent audit (every finding re-verified vs code+BQ data) found 16 silent bugs. 13 fixed; 3 deferred (need PIT data/schema). Trigger: OKTA $127 untradeable-ghost pick. CRITICAL #1 (root cause): polygon_client stopped substituting day low/high for a missing bid/ask — that produced fake/0% spreads on ~43% of picks (718/1815 = 0.0), defeating the spread gate and feeding the judge "0.5% spread" ghosts. Missing quote -> NULL spread; chosen contract now carries a real spread. Enrichment spread gate loosened 0.08->0.30 (was filtering fake 0s; real spreads are wider). HIGH #2: divergence flip resolves BEFORE conviction sub-scores (was scoring flipped names on the abandoned side -> ~87% suppressed below MIN_SCORE). #5: judge prompt strips still-stale volume/OI/V-OI (keeps now-real spread). #8: technicals window bounded to scan_date not date.today() (was leaking next-day bars = lookahead). #6/#7/#10: signal-notifier fallback moneyness band restored + dead gates/docs cleaned. MED #9/#12/#13: trader symmetric slippage + stale-TIMEOUT + late-fill guards (removed EV-optimism). #11: empty judge batch re-queues instead of dropping 10 candidates. #14: in_top_5 is a real top-5. LOW #15: overnight_score fail-safe default. #16: greeks store raw with None preserved (delta no longer NULL->0.0). Deferred (separate pass): #3 OI frozen-snapshot, #4 volume frozen-cumulative (need Polygon flat files / day-bars), #15-full (schema add). See docs/DECISIONS/2026-06-04-pipeline-bug-fixes.md. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Summary
Testing
python -m py_compile $(git ls-files '*.py')https://chatgpt.com/codex/tasks/task_e_686d58fc47dc8331a4e35bedd8e246db