Round-3 probe evidence pinpointed it: '[jump] ReportJumpRefusal
result=NotGrounded hasCallback=False' — the edge detection, OnWalkable
clearing, and refusal dispatch all worked; the callback was null because
CommitRuntimeOwnedController (the C3c production publication path) writes
_controller directly and never applied _onInterfaceText the way the
internal setter does. Two install paths, one wired. Regression test pins
the commit path.
Runtime tests 1,323/0.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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