Add selfserve_lane_log_action enum for lane action definitions and outline logging mechanism.

services/nginx/app/modules/selfserve/helpers/selfserve_lane_log_action.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace modules\selfserve\helpers;
+
+enum selfserve_lane_log_action
+{
+
+    case START_WASH; // start a wash cycle
+    case STOP_WASH; // stop a wash cycle
+    case SET_MAINTENANCE; // set lane to maintenance mode
+    case CLEAR_MAINTENANCE; // clear maintenance mode
+    case SET_FAULT; // set lane to fault state
+    case CLEAR_FAULT; // clear fault state
+    case OPEN_PORT; // open a lane port
+    case CLOSE_PORT; // close a lane port
+    case RESERVE_LANE; // reserve the lane
+    case RELEASE_LANE; // release the lane from reservation
+    case CLOSE_LANE; // close the lane
+    case OPEN_LANE; // open the lane
+
+    public function equals(selfserve_lane_log_action $status): bool
+    {
+        return $this === $status;
+    }
+}

services/nginx/app/modules/selfserve/traits/selfserve_lane_command_t.php

@@ -53,6 +53,7 @@ trait selfserve_lane_command_t
                 $this->open(selfserve_lane_port::ENTRANCE);
                 // Start the wash timer
                 $this->setWashStartTime(time());
+                // Log the lane start event TODO: Implement logging mechanism
                 break;
             case selfserve_lane_command::STOP:
                 // Require lane to be occupied before stopping