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J. Nick Koston
00d34e9fe8
Remove last_state_ from GPIOBinarySensorStore — it was always set to the same value as state_ in the ISR and never written elsewhere, making the comparison `new_state != last_state_` equivalent to `new_state != state_`. Move use_interrupt_ and interrupt_type_ into the store to fill the padding freed by removing last_state_, eliminating all internal padding. Store layout (12B, zero padding): isr_pin_.arg_* 4B component_* 4B state_ 1B (volatile) changed_ 1B (volatile) use_interrupt_ 1B interrupt_type_ 1B Saves 4 bytes per GPIOBinarySensor instance (64B → 60B).
