feat: NSIS 中文安装器（年糕历险记-Setup-v0.1.0.exe 实际构建+静默安装验证）、菜单鼠标可见性修复、首页 UI 原版复刻（土质背景/原版按钮/splash/版本角标）、全 goroutine 崩溃兜底

tools/nsis/nsis-3.10/Examples/Plugin/exdll.c

@@ -0,0 +1,42 @@
+#include <windows.h>
+#include <nsis/pluginapi.h> // nsis plugin
+
+HINSTANCE g_hInstance;
+HWND g_hwndParent;
+
+// To work with Unicode version of NSIS, please use TCHAR-type
+// functions for accessing the variables and the stack.
+
+void __declspec(dllexport) myFunction(HWND hwndParent, int string_size, 
+                                      LPTSTR variables, stack_t **stacktop,
+                                      extra_parameters *extra, ...)
+{
+  EXDLL_INIT();
+  g_hwndParent = hwndParent;
+
+
+  // note if you want parameters from the stack, pop them off in order.
+  // i.e. if you are called via exdll::myFunction file.dat read.txt
+  // calling popstring() the first time would give you file.dat,
+  // and the second time would give you read.txt. 
+  // you should empty the stack of your parameters, and ONLY your
+  // parameters.
+
+  // do your stuff here
+  {
+    LPTSTR msgbuf = (LPTSTR) GlobalAlloc(GPTR, (3 + string_size + 1) * sizeof(*msgbuf));
+    if (msgbuf)
+    {
+      wsprintf(msgbuf, TEXT("$0=%s"), getuservariable(INST_0));
+      MessageBox(g_hwndParent, msgbuf, TEXT("Message from example plugin"), MB_OK);
+      GlobalFree(msgbuf);
+    }
+  }
+}
+
+
+BOOL WINAPI DllMain(HINSTANCE hInst, ULONG ul_reason_for_call, LPVOID lpReserved)
+{
+  g_hInstance = hInst;
+  return TRUE;
+}