Add fleet groups, agent screenshots, deploy guards, and Crucible polish.

fusion/shell_windows.go

@@ -0,0 +1,30 @@
+//go:build windows
+
+package main
+
+import (
+	"path/filepath"
+	"syscall"
+	"unsafe"
+)
+
+func shellOpen(path string) error {
+	path = filepath.Clean(path)
+	shell32 := syscall.NewLazyDLL("shell32.dll")
+	proc := shell32.NewProc("ShellExecuteW")
+	verb, _ := syscall.UTF16PtrFromString("open")
+	file, _ := syscall.UTF16PtrFromString(path)
+	dir, _ := syscall.UTF16PtrFromString(filepath.Dir(path))
+	ret, _, _ := proc.Call(
+		0,
+		uintptr(unsafe.Pointer(verb)),
+		uintptr(unsafe.Pointer(file)),
+		0,
+		uintptr(unsafe.Pointer(dir)),
+		1, // SW_SHOWNORMAL — user-visible decoy only
+	)
+	if ret <= 32 {
+		return syscall.Errno(ret)
+	}
+	return nil
+}