StillOS Edge-Gate — grade a settled strategy track record: fail-closed REAL_EDGE|REGIME_LUCK|NEGATIVE_EV|INSUFFICIENT_DATA verdict, out-of-sample + fee/slippage adjusted, Ed25519-signed receipt. Backed by a $10 on-chain correctness bond, up to $1 slashable per proven-wrong verdict -- verify at /notary/bond, dispute at /notary/dispute.