docs(framing): align A3 with the D0b contingency
Revision 10 retires D0b only as a precondition: a demonstrated D1/D2 mechanism may account directly for the subset/full difference, while a mechanism that does not account for it triggers D0b before closure. A3 still stated the old unconditional rule that D0 must recreate the comparison in every case. Make the acceptance criterion match the diagnostic decision: record the direct explanation when it exists; otherwise run D0b under captured provenance and explain or explicitly leave its result unexplained. Either path remains mandatory before the lane can close.
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@ -519,11 +519,13 @@ Written now so the fix cannot quietly become "make the test pass".
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confirmation on `main` is a follow-up, not a gate on the fix.
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confirmation on `main` is a follow-up, not a gate on the fix.
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- **A3.** There is no established "R9 paradox" to explain — R9 ran
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- **A3.** There is no established "R9 paradox" to explain — R9 ran
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different Cargo compilations, so the comparison it appeared to make
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different Cargo compilations, so the comparison it appeared to make
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was never made. What A3 requires instead: **D0 recreates the subset/full
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was never made. What A3 requires instead: **the demonstrated D1/D2
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comparison under captured provenance**, and whatever it then shows is
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mechanism accounts for the subset/full difference, or D0b recreates
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either explained by the fix or explicitly recorded as unexplained. A
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that comparison under captured provenance before this lane closes.**
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fix that greens the sweep without that comparison having been made
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In the first case, record the mechanism's explanation. In the second,
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properly leaves the gap stated, not hidden.
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whatever D0b shows is either explained by the fix or explicitly
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recorded as unexplained. A fix that greens the sweep without either
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path leaves the gap stated, not hidden.
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- **A4.** No deadline raised, no test skipped, retried, or serialised
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- **A4.** No deadline raised, no test skipped, retried, or serialised
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to obtain green.
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to obtain green.
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- **A5.** **Conditional on D4.** If bet 1 holds, this is unconditional:
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- **A5.** **Conditional on D4.** If bet 1 holds, this is unconditional:
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