Frontend gaps fill work. Testing fixes work. Auditing in progress.

src/Signals/StellaOps.Signals/Scm/Models/ScmProvider.cs

@@ -0,0 +1,12 @@
+namespace StellaOps.Signals.Scm.Models;
+
+/// <summary>
+/// Supported SCM/CI providers.
+/// </summary>
+public enum ScmProvider
+{
+    Unknown = 0,
+    GitHub,
+    GitLab,
+    Gitea
+}