fix(deployment-manager): resolve DeploymentManager-009,010,012,014 — shared deployment ID, lifecycle-timeout enforcement, doc/test cleanup; DeploymentManager-013 flagged

src/ScadaLink.DeploymentManager/DeploymentManagerOptions.cs

@@ -5,7 +5,11 @@ namespace ScadaLink.DeploymentManager;
 /// </summary>
 public class DeploymentManagerOptions
 {
-    /// <summary>Timeout for lifecycle commands sent to sites (disable, enable, delete).</summary>
+    /// <summary>
+    /// WP-6: Timeout for a lifecycle command round-trip (disable, enable, delete).
+    /// Applied as a linked-CTS deadline in <c>DeploymentService</c> so a hung or
+    /// unreachable site does not hold the per-instance operation lock indefinitely.
+    /// </summary>
     public TimeSpan LifecycleCommandTimeout { get; set; } = TimeSpan.FromSeconds(30);
 
     /// <summary>WP-7: Timeout per site for system-wide artifact deployment.</summary>