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Home load history: timezone-aware datetimes and additive backfill on manual collection #42
Description
Problem
Two issues affect the home load consumption history.
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Timezone mismatch. While building the per-device consumption in the optimization loop, the 24h look-back window is created with a naive
datetime.now(), but Home Assistant and the persistence layer return timezone-aware (UTC) timestamps. The comparison fails with:Error getting load history for device '...': can't compare offset-naive and offset-aware datetimesThe same naive/aware mix affects the history purge cut-off.
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Manual collection ignores the look-back window. When power points already exist for a device, a manual collection only fetches incrementally from the last stored point, ignoring the requested
lookback_hours. Requesting e.g. 30 days returns only the few most recent points and never backfills internal gaps.
Expected
- History datetimes are consistently timezone-aware (UTC).
- A manual collection honours the requested look-back window and backfills missing data additively, without dropping already-stored points (bounded by Home Assistant's recorder retention).
Notes
The scheduled periodic collection stays incremental for efficiency.
Activity
Merge pull request #43 from markoceri/fix/issue-42-home-load-history-…