With a 4.6kW inverter and 4kW WallboxB + ~450W house load, any PV dip
causes brief grid import and would trigger shutdown/restart cycling.
New config: wallbox_a_accepted_import_w / wallbox_b_accepted_import_w
WallboxB set to 600W: engine skips shutdown if import <= 600W, keeping
the car charging through short cloud shadows. WallboxA disabled (2kW
leaves sufficient inverter headroom without needing tolerance).
Logic: shutdownLastConsumer checks per-consumer tolerance before
applying min-runtime and initiating turn-off.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Lutz Finsterle
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