search and ai stabilization work, localization stablized.

src/__Libraries/StellaOps.Cryptography/CryptoProvider.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using static StellaOps.Localization.T;
 
 namespace StellaOps.Cryptography;
 
@@ -54,7 +55,7 @@ public interface ICryptoProvider
     /// <param name="publicKeyBytes">Public key in SubjectPublicKeyInfo format (DER-encoded).</param>
     /// <returns>Ephemeral signer instance (supports VerifyAsync only).</returns>
     ICryptoSigner CreateEphemeralVerifier(string algorithmId, ReadOnlySpan<byte> publicKeyBytes)
-        => throw new NotSupportedException($"Provider '{Name}' does not support ephemeral verification.");
+        => throw new NotSupportedException(_t("crypto.provider.no_ephemeral_verification", Name));
 
     /// <summary>
     /// Adds or replaces signing key material managed by this provider.