JsonOffsetTraceSink records every executed instruction offset (bytecode word
index) of one target script, in order, filtered to the scene's own frame
(call-script subroutines excluded) to match the Frida engine tracer's
per-codebase filter. Wired as 'trace <SCENE.BIN> [--boot] --trace-json <out>'.
Observe-only; sweep path and trace parity untouched. +2 xUnit tests.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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