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79d14444ed
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docs: add data cache reuse design document
Captures design for staleness-based data refresh to avoid
re-fetching all 103 NASDAQ tickers on every container restart.
Key features:
- Check all daily_prices_*.json files for staleness
- Configurable MAX_DATA_AGE_DAYS threshold (default: 7)
- Bash wrapper logic in entrypoint.sh
- Handles edge cases (partial data, missing files, rate limits)
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2025-10-30 21:46:05 -04:00 |
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