fbcd0d6326
Wire verifySchnorrFast (x-check only, no y-parity inversion) into: - Secp256k1InstanceOurs wrapper for app-level usage - Android benchmark as verifySchnorrFastOurs for Pixel 8 measurement Expected: ~15% faster than verifySchnorrOurs (~100μs vs ~120μs on Pixel 8) https://claude.ai/code/session_01EMY5RnXb9rnsyU2KbXrSaY