feat: configurable history window (fixed|rolling) + offset hours (#655)#657
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Sagarpillai wants to merge 1 commit intoopenclimatefix:mainfrom
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feat: configurable history window (fixed|rolling) + offset hours (#655)#657Sagarpillai wants to merge 1 commit intoopenclimatefix:mainfrom
Sagarpillai wants to merge 1 commit intoopenclimatefix:mainfrom
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vedantvakharia
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Dec 31, 2025
…efix#655) - Add environment variables for history start mode (rolling/fixed) and offset hours - Update nowcasting-app with configurable getEarliestForecastTimestamp() - Update quartz-app queries with start_datetime_utc parameter - Add comprehensive test suites for both apps - Update .env.example files with configuration documentation - Maintain backward compatibility (defaults to 48 hours rolling) Supersedes openclimatefix#657, openclimatefix#659, openclimatefix#660
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Implements #655.
Adds a configurable history window for start_datetime_utc in generation + forecast queries.
Two env vars control this:
• NEXT_PUBLIC_HISTORY_START_TYPE = “rolling” or “fixed”
• NEXT_PUBLIC_HISTORY_START_OFFSET_HOURS = numeric hour offset (default 48)
“rolling” = now - offset hours (existing behaviour)
“fixed” = midnight UTC N days ago
getHistoryStartISO() now reads these envs, and both queries use it.
This allows Vercel preview / production to tune the history window without code changes.
Local build + typecheck pass. Defaults keep current behaviour.