Fix ffm-plugin: 5th+ digital inputs receive no state change events#623

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FDelporte merged 8 commits intodevelopfrom

copilot/fix-ffm-plugin-button-handling

Mar 28, 2026

Commits on Mar 25, 2026

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Fix: more than 4 digital inputs not receiving events in ffm-plugin

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test: strengthen regression test to simulate blocking poll() and prove the carrier-thread pinning bug

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