[refactor] reorganize platform and wire sources

apps/desktop/src/platform/macos/daemon_backend.cpp

@@ -0,0 +1,20 @@
+#include "platform/daemon_backend.h"
+
+#include <limits.h>
+#include <mach-o/dyld.h>
+
+#include <cstdlib>
+
+namespace crossdesk::platform {
+
+bool PrepareDaemon() { return true; }
+
+std::string GetDaemonExecutablePath() {
+  char path[PATH_MAX] = {};
+  uint32_t size = sizeof(path);
+  if (_NSGetExecutablePath(path, &size) != 0) return {};
+  char resolved[PATH_MAX] = {};
+  return realpath(path, resolved) ? std::string(resolved) : std::string(path);
+}
+
+}  // namespace crossdesk::platform