qwen-code Adds a Time Axis to Code Review: 'Produced at X, Needed at Y, Y Precedes X'

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PR #9708 adds a temporal-reachability lens to qwen-code's review agent briefs, shipped in v0.22.2 on 2026-08-26. The existing rule asked whether a new code path is reachable in space; the new one asks it in time — for every value a change produces in order to steer a decision, name the moment the value exists and the moment the decision is taken, and flag Critical when the value arrives after the last decision it was supposed to influence. The finding format is fixed to a three-clause trace. A companion incident-replay lens treats a failure story narrated in the PR or linked issue as a spec and demands the reviewer name the step where the change alters the outcome, filing a Critical when no step changes.