fix: delete moves to Trash instead of expunging

MC /delete was hard-deleting (IMAP expunge), making emails
unrecoverable. Now uses moveMessage to Trash folder instead.

connector_email.go

@@ -319,45 +319,8 @@ func (e *EmailConnector) Archive(sourceID string) error {
 }
 
 func (e *EmailConnector) Delete(sourceID string) error {
-	client, err := e.connect()
-	if err != nil {
-		return err
-	}
-	defer client.Close()
-
-	var uid uint32
-	if _, err := fmt.Sscanf(sourceID, "%d", &uid); err != nil {
-		return fmt.Errorf("invalid source ID: %s", sourceID)
-	}
-
-	folders := e.config.Watch
-	if len(folders) == 0 {
-		folders = []string{"INBOX"}
-	}
-
-	for _, folder := range folders {
-		_, err := client.Select(folder, nil).Wait()
-		if err != nil {
-			continue
-		}
-
-		uidSet := imap.UIDSetNum(imap.UID(uid))
-
-		// Mark deleted
-		storeCmd := client.Store(uidSet, &imap.StoreFlags{
-			Op:     imap.StoreFlagsAdd,
-			Silent: true,
-			Flags:  []imap.Flag{imap.FlagDeleted},
-		}, nil)
-		storeCmd.Close()
-
-		// Expunge
-		expungeCmd := client.Expunge()
-		expungeCmd.Close()
-		return nil
-	}
-
-	return fmt.Errorf("message not found: %s", sourceID)
+	// Move to Trash instead of hard-deleting (expunging)
+	return e.moveMessage(sourceID, "Trash")
 }
 
 func (e *EmailConnector) moveMessage(sourceID, destFolder string) error {