Fit Mini Repeater with approved optional service cuts

src/helpers/PacketFileLoggingConfig.h

@@ -0,0 +1,11 @@
+#pragma once
+
+// Persistent packet-log files are independent of live USB and bridge logging.
+// Normal boards retain file logging; constrained builds may omit it.
+#ifndef MESH_ENABLE_PACKET_FILE_LOGGING
+  #define MESH_ENABLE_PACKET_FILE_LOGGING 1
+#endif
+
+#if MESH_ENABLE_PACKET_FILE_LOGGING != 0 && MESH_ENABLE_PACKET_FILE_LOGGING != 1
+  #error "MESH_ENABLE_PACKET_FILE_LOGGING must be 0 or 1"
+#endif