[PM-8137] Introduce FIDO 2 user verification tracking (#3459)

app/src/main/java/com/x8bit/bitwarden/data/autofill/fido2/manager/Fido2CredentialManager.kt

@@ -11,6 +11,12 @@ import com.x8bit.bitwarden.data.autofill.fido2.model.Fido2ValidateOriginResult
  */
 interface Fido2CredentialManager {
 
+    /**
+     * Returns true when the user has performed an explicit verification action. E.g., biometric
+     * verification, device credential verification, or vault unlock.
+     */
+    var isUserVerified: Boolean
+
     /**
      * Attempt to validate the RP and origin of the provided [fido2CredentialRequest].
      */

app/src/main/java/com/x8bit/bitwarden/data/autofill/fido2/manager/Fido2CredentialManagerImpl.kt

@@ -39,6 +39,8 @@ class Fido2CredentialManagerImpl(
 ) : Fido2CredentialManager,
     Fido2CredentialStore by fido2CredentialStore {
 
+    override var isUserVerified: Boolean = false
+
     override suspend fun registerFido2Credential(
         userId: String,
         fido2CredentialRequest: Fido2CredentialRequest,