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feat(stocks): Add unified stock data API (getData) with historical/OHLCV support, smart caching and provider enhancements

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Jürgen Kunz
2025-10-31 14:00:59 +00:00
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changelog.md
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# Changelog
## 2025-10-31 - 2.1.0 - feat(stocks)
Add unified stock data API (getData) with historical/OHLCV support, smart caching and provider enhancements
- Introduce discriminated union request types (IStockDataRequest) and a unified getData() method (replaces legacy getPrice/getPrices for new use cases)
- Add OHLCV fields (open, high, low, volume, adjusted) and metadata (dataType, fetchedAt) to IStockPrice
- Implement data-type aware smart caching with TTLs (historical = never expire, EOD = 24h, live = 30s, intraday matches interval)
- Extend StockPriceService: new getData(), data-specific cache keys, cache maxEntries increased (default 10000), and TTL-aware add/get cache logic
- Enhance Marketstack provider: unified fetchData(), historical date-range retrieval with pagination, exchange filtering, batch current fetch, OHLCV mapping, and intraday placeholder
- Update Yahoo provider to include dataType and fetchedAt (live data) and maintain legacy fetchPrice/fetchPrices compatibility
- Add/adjust tests to cover unified API, historical retrieval, OHLCV presence and smart caching behavior; test setup updated to require explicit OpenData directory paths
- Update README to document v2.1 changes, migration examples, and new stock provider capabilities
## 2025-10-31 - 2.0.0 - BREAKING CHANGE(OpenData)
Require explicit directory paths for OpenData (nogit/download/germanBusinessData); remove automatic .nogit creation; update HandelsRegister, JsonlDataProcessor, tests and README.