[client] UI refactor (#6069)

Refactor UI

---------

Co-authored-by: Eduard Gert <kontakt@eduardgert.de>
Co-authored-by: braginini <bangvalo@gmail.com>
Co-authored-by: Pascal Fischer <32096965+pascal-fischer@users.noreply.github.com>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: riccardom <riccardomanfrin@gmail.com>

client/ui/services/debug_reveal_windows.go

@@ -0,0 +1,54 @@
+package services
+
+import (
+	"fmt"
+	"os/exec"
+	"path/filepath"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+// SW_SHOWNORMAL for ShellExecuteW's nShowCmd.
+const swShowNormal = 1
+
+var (
+	shell32          = windows.NewLazySystemDLL("shell32.dll")
+	procShellExecute = shell32.NewProc("ShellExecuteW")
+)
+
+// revealFile opens Explorer focused on path. The debug bundle is written by the
+// daemon (running as SYSTEM) into C:\Windows\SystemTemp, whose ACL denies the
+// logged-in user. A plain "explorer /select" can't traverse it, so we elevate
+// via the ShellExecuteW "runas" verb (UAC prompt) — the elevated Explorer can
+// read the folder and highlight the file.
+func revealFile(path string) error {
+	verb, err := windows.UTF16PtrFromString("runas")
+	if err != nil {
+		return fmt.Errorf("encode verb: %w", err)
+	}
+	file, err := windows.UTF16PtrFromString("explorer.exe")
+	if err != nil {
+		return fmt.Errorf("encode file: %w", err)
+	}
+	params, err := windows.UTF16PtrFromString("/select," + path)
+	if err != nil {
+		return fmt.Errorf("encode params: %w", err)
+	}
+
+	// ShellExecuteW returns an HINSTANCE; a value <=32 is an error code.
+	ret, _, _ := procShellExecute.Call(
+		0,
+		uintptr(unsafe.Pointer(verb)),
+		uintptr(unsafe.Pointer(file)),
+		uintptr(unsafe.Pointer(params)),
+		0,
+		swShowNormal,
+	)
+	if ret <= 32 {
+		// Elevation declined or failed: fall back to an unelevated reveal of the
+		// parent directory so the user at least lands near the bundle.
+		return exec.Command("explorer", filepath.Dir(path)).Start() //nolint:gosec
+	}
+	return nil
+}