Refine XProf numerical verification with oracle audit and precision routing. - #3338
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…outing. - Add oracle audit mode (evaluates reference lossiness against high-precision oracle). - Warn when kernel outputs are narrower than float32. - Route regimes by criterion (normal for continuous parity; procedural for Q3/discrete). - Add chunk_callable for memory-bounded attention oracle runs. - Fix pin-inert signature detection and silence integer ULP RuntimeWarning. PiperOrigin-RevId: 975592711
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Refine XProf numerical verification with oracle audit and precision routing.