feat(transport): add bundle manifest DTOs in Commons

src/ScadaLink.Commons/Types/Transport/BundleManifest.cs

@@ -0,0 +1,13 @@
+namespace ScadaLink.Commons.Types.Transport;
+
+public sealed record BundleManifest(
+    int BundleFormatVersion,
+    string SchemaVersion,
+    DateTimeOffset CreatedAtUtc,
+    string SourceEnvironment,
+    string ExportedBy,
+    string ScadaLinkVersion,
+    string ContentHash,
+    EncryptionMetadata? Encryption,
+    BundleSummary Summary,
+    IReadOnlyList<ManifestContentEntry> Contents);

src/ScadaLink.Commons/Types/Transport/BundleSummary.cs

@@ -0,0 +1,12 @@
+namespace ScadaLink.Commons.Types.Transport;
+
+public sealed record BundleSummary(
+    int Templates,
+    int TemplateFolders,
+    int SharedScripts,
+    int ExternalSystems,
+    int DbConnections,
+    int NotificationLists,
+    int SmtpConfigs,
+    int ApiKeys,
+    int ApiMethods);

src/ScadaLink.Commons/Types/Transport/EncryptionMetadata.cs

@@ -0,0 +1,8 @@
+namespace ScadaLink.Commons.Types.Transport;
+
+public sealed record EncryptionMetadata(
+    string Algorithm,      // "AES-256-GCM"
+    string Kdf,            // "PBKDF2-SHA256"
+    int Iterations,
+    string SaltB64,
+    string IvB64);

src/ScadaLink.Commons/Types/Transport/ManifestContentEntry.cs

@@ -0,0 +1,7 @@
+namespace ScadaLink.Commons.Types.Transport;
+
+public sealed record ManifestContentEntry(
+    string Type,
+    string Name,
+    int Version,
+    IReadOnlyList<string> DependsOn);