Add probo-agent binary, installer, and CI

Signed-off-by: Ludovic Vielle <ludovic@probo.com>

cmd/probo-agent/desktop.go

@@ -0,0 +1,81 @@
+// Copyright (c) 2026 Probo Inc <hello@probo.com>.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+//go:build darwin || windows
+
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+	"go.probo.inc/probo/pkg/deviceagent"
+	"go.probo.inc/probo/pkg/deviceagent/tray"
+)
+
+func registerPlatformCommands(root *cobra.Command) {
+	root.AddCommand(newTrayCmd())
+}
+
+func registerTrayAutoStart(exePath string, runDir string) error {
+	if err := tray.RegisterAutoStart(exePath, runDir); err != nil {
+		return fmt.Errorf("cannot register tray auto-start: %w", err)
+	}
+
+	return nil
+}
+
+func newTrayCmd() *cobra.Command {
+	var runDir string
+
+	cmd := &cobra.Command{
+		Use:   "tray",
+		Short: "Run the menu bar / system tray enrollment helper",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			if runDir == "" {
+				runDir = deviceagent.DefaultEnrollmentRunDir()
+			}
+
+			exePath, err := os.Executable()
+			if err != nil {
+				return fmt.Errorf("cannot resolve current executable path: %w", err)
+			}
+
+			return tray.Run(
+				tray.Options{
+					RunDir:    runDir,
+					ExePath:   exePath,
+					ServerURL: deviceagent.DefaultServerURL,
+					Version:   version,
+				},
+			)
+		},
+	}
+
+	cmd.Flags().StringVar(
+		&runDir,
+		"run-dir",
+		deviceagent.DefaultEnrollmentRunDir(),
+		"directory containing the public enrollment marker",
+	)
+
+	return cmd
+}