Log matched and moved overdue cards in WorkflowRunner

Adds an info-level log line when a card passes a workflow's overdue/
filter checks, and another once the move to the target stack
succeeds - so a run can be traced per card/workflow in the log,
filterable by the app id.

lib/Service/WorkflowRunner.php

@@ -176,6 +176,14 @@ class WorkflowRunner {
 				continue;
 			}
 
+			$this->logger->info('Card {card} ("{title}") matches workflow {id}; moving to stack {target}.', [
+				'app' => 'workflow_deck_automation',
+				'card' => $card->getId(),
+				'title' => $card->getTitle(),
+				'id' => $workflow->getId(),
+				'target' => $workflow->getTargetStackId(),
+			]);
+
 			if (!$this->moveCard($workflow, $card)) {
 				continue;
 			}
@@ -254,6 +262,14 @@ class WorkflowRunner {
 			return false;
 		}
 
+		$this->logger->info('Moved card {card} ("{title}") to stack {target} for workflow {id}.', [
+			'app' => 'workflow_deck_automation',
+			'card' => $card->getId(),
+			'title' => $card->getTitle(),
+			'target' => $workflow->getTargetStackId(),
+			'id' => $workflow->getId(),
+		]);
+
 		return true;
 	}