Add first signal API call

Sources/Real/RealAuthorizationController.swift

@@ -73,6 +73,22 @@ final public class RealAuthorizationController: AuthorizationControllerProtocol,
         }
     }
 
+    @MainActor
+    public func signalAllAcceptedCredentials(rpID: String, userHandle: Data, acceptedCredentialIDs: [Data]) async throws(AuthorizationError) {
+        if #available(iOS 26.0, *) {
+            let credentialUpdater = ASCredentialUpdater()
+            do {
+                try await credentialUpdater.reportAllAcceptedPublicKeyCredentials(
+                    relyingPartyIdentifier: rpID,
+                    userHandle: userHandle,
+                    acceptedCredentialIDs: acceptedCredentialIDs
+                )
+            } catch {
+                throw AuthorizationError(type: .unknown, originalError: error)
+            }
+        }
+    }
+
     @MainActor
     public func cancel() {
         self.inFlightController?.cancel()

Sources/SimpleAuthenticationServices.swift

@@ -15,6 +15,9 @@ public protocol AuthorizationControllerProtocol: Sendable { // Protocol itself s
     @available(macOS 13.0, *)
     @MainActor // This method will present UI
     func create(requests: [ASAuthorizationRequest]) async throws -> AuthorizationResult
+
+    @MainActor // This method will present UI
+    func signalAllAcceptedCredentials(rpID: String, userHandle: Data, acceptedCredentialIDs: [Data]) async throws(AuthorizationError)
 
     @MainActor // This method might interact with an ongoing UI operation
     func cancel() async

Sources/Virtual/VirtualAuthorizationController.swift

@@ -159,6 +159,11 @@ public final class VirtualAuthorizationController: AuthorizationControllerProtoc
         return nil
     }
 
+    @MainActor
+    public func signalAllAcceptedCredentials(rpID: String, userHandle: Data, acceptedCredentialIDs: [Data]) async throws(AuthorizationError) {
+        return
+    }
+
     public func cancel() async {
         return
     }