feat: record application deleted event for statistics

src/Enum/ApplicationDeletionOutcome.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Enum;
+
+/**
+ * What became of an application that was hard deleted.
+ *
+ * Applications are removed on the way to a placement just as they are removed when they come
+ * to nothing, and the row is gone either way. Without this, staffing somebody would read as
+ * an application being thrown away, and "how many applications did we lose" would count every
+ * success along with every loss.
+ */
+enum ApplicationDeletionOutcome: string
+{
+    /** It became a placement: a disposition was created from it in the same flush. */
+    case DISPOSED = 'disposed';
+
+    /** Nobody was staffed from it - withdrawn by the teamer, deleted by the office, or purged. */
+    case REMOVED = 'removed';
+}

src/Enum/StatisticsEventName.php

@@ -19,6 +19,7 @@ enum StatisticsEventName: string
     case DISPOSITION_CALLED_OFF = 'disposition.called_off';
     case DISPOSITION_DELETED = 'disposition.deleted';
     case APPLICATION_CREATED = 'application.created';
+    case APPLICATION_DELETED = 'application.deleted';
 
     public function label(): string
     {
@@ -28,6 +29,7 @@ enum StatisticsEventName: string
             self::DISPOSITION_CALLED_OFF => 'Einsatz abgesagt',
             self::DISPOSITION_DELETED => 'Einteilung gelöscht',
             self::APPLICATION_CREATED => 'Bewerbung eingegangen',
+            self::APPLICATION_DELETED => 'Bewerbung gelöscht',
         };
     }
 }