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/nsExec/test.nsi

@@ -0,0 +1,31 @@
+Name "nsExec Test"
+
+OutFile "nsExec Test.exe"
+
+ShowInstDetails show
+
+Section "Silent MakeNSIS"
+	nsExec::Exec '"${NSISDIR}\makensis.exe"'
+	Pop $0 # return value/error/timeout
+	DetailPrint ""
+	DetailPrint "       Return value: $0"
+	DetailPrint ""
+SectionEnd
+
+Section "MakeNSIS commands help"
+	nsExec::ExecToLog '"${NSISDIR}\makensis.exe" /CMDHELP'
+	Pop $0 # return value/error/timeout
+	DetailPrint ""
+	DetailPrint "       Return value: $0"
+	DetailPrint ""
+SectionEnd
+
+Section "Output to variable"
+	nsExec::ExecToStack '"${NSISDIR}\makensis.exe" /VERSION'
+	Pop $0 # return value/error/timeout
+	Pop $1 # printed text, up to ${NSIS_MAX_STRLEN}
+	DetailPrint '"${NSISDIR}\makensis.exe" /VERSION printed: $1'
+	DetailPrint ""
+	DetailPrint "       Return value: $0"
+	DetailPrint ""
+SectionEnd