feat: implement HA-side accumulation for monthly spent sensor#54

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dvejsada merged 4 commits into

dvejsada:devfrom

eMeF1:feature/monthly-spent-accumulation

Dec 8, 2025

Commits on Dec 4, 2025

Add get_earliest_order utility function and update sensors to use it for delivery time calculations.
eMeF1
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Commits on Dec 5, 2025

Commits on Dec 7, 2025

fix: address PR review comments
eMeF1
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