make sendMessages, rather than sendMessage, mandatory to implement

Author: lhoward

Sources/SwiftOCADevice/OCA/Controller.swift

@@ -43,8 +43,17 @@ public protocol OcaController: Actor {
     subscriber: OcaMethod
   ) async throws
 
-  func sendMessage(
-    _ message: Ocp1Message,
+  func sendMessages(
+    _ messages: [Ocp1Message],
     type messageType: OcaMessageType
   ) async throws
 }
+
+public extension OcaController {
+  func sendMessage(
+    _ messages: Ocp1Message,
+    type messageType: OcaMessageType
+  ) async throws {
+    try await sendMessages([messages], type: messageType)
+  }
+}

Sources/SwiftOCADevice/OCP.1/Ocp1ControllerInternal.swift

@@ -247,13 +247,6 @@ extension Ocp1ControllerInternal {
     return try Ocp1MessageList(messagePduData: messagePduData)
   }
 
-  func sendMessage(
-    _ message: Ocp1Message,
-    type messageType: OcaMessageType
-  ) async throws {
-    try await sendMessages([message], type: messageType)
-  }
-
   func sendMessages(
     _ messages: [Ocp1Message],
     type messageType: OcaMessageType