Refactor vault functionality to dedicated package, fix import cycles with interface pattern, fix tests

internal/vault/metadata.go

@@ -0,0 +1,11 @@
+package vault
+
+import (
+	"git.eeqj.de/sneak/secret/internal/secret"
+)
+
+// Alias the metadata types from secret package for convenience
+type VaultMetadata = secret.VaultMetadata
+type UnlockKeyMetadata = secret.UnlockKeyMetadata
+type SecretMetadata = secret.SecretMetadata
+type Configuration = secret.Configuration