OPC # 0001: Extract OPC into standalone repo

ControlPlane.Core/Models/ComponentMode.cs

@@ -0,0 +1,26 @@
+using System.Text.Json.Serialization;
+
+namespace ControlPlane.Core.Models;
+
+/// <summary>
+/// Defines where a specific infrastructure component (Postgres, Keycloak, Vault, MinIO)
+/// is hosted for a given tenant. Each component in a StackConfig is configured independently.
+/// </summary>
+[JsonConverter(typeof(JsonStringEnumConverter))]
+public enum ComponentMode
+{
+    /// <summary>Shared platform instance — logical slice only (realm, schema, bucket, namespace).</summary>
+    SharedPlatform,
+
+    /// <summary>Baked into the app image itself via supervisord. Trial tier only.</summary>
+    Bundled,
+
+    /// <summary>Own sidecar container on ControlPlane's shared Docker host.</summary>
+    OwnContainer,
+
+    /// <summary>Own VM with the component running inside Docker on it.</summary>
+    VpsDocker,
+
+    /// <summary>Own VM with the component running as a native OS process (no Docker).</summary>
+    VpsBareMetal
+}