C3 walk-free: bus cycle clock (read-side freshness) + RTC lazy migration + write-choke IRQ aggregation#516

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w1ne merged 3 commits into

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perf/c3-walk-free

Jul 11, 2026

Commits on Jul 11, 2026

perf(esp32c3): read-side freshness clock + walk-free RTC timer + write-choke IRQ aggregation
w1ne
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Merge origin/main (walk-free plan doc + B0 Class-A inert sweep) into perf/c3-walk-free
w1ne
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validation: dated esp32c3 drift_ack for the walk-free RTC/IRQ migration + regen status
w1ne
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