fix: resolve build errors in pass_mgr, pcexec, and safe-restart

- Fix Go syntax error: use BoolVar for --username flag instead of string
- Fix TypeScript type errors: filter undefined values from process.env
- Fix TypeScript type error: add type assertion for fetch response
- Add .gitignore to exclude node_modules and build outputs

pass_mgr/go.mod

@@ -2,9 +2,7 @@ module pass_mgr
 
 go 1.22
 
-require (
-	github.com/spf13/cobra v1.8.0
-)
+require github.com/spf13/cobra v1.8.0
 
 require (
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect

pass_mgr/go.sum

@@ -0,0 +1,10 @@
+github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
+github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/spf13/cobra v1.8.0 h1:7aJaZx1B85qltLMc546zn58BxxfZdR/W22ej9CFoEf0=
+github.com/spf13/cobra v1.8.0/go.mod h1:WXLWApfZ71AjXPya3WOlMsY9yMs7YeiHhFVlvLyhcho=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
+github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

pass_mgr/src/main.go

@@ -41,7 +41,6 @@ type Config struct {
 var (
 	workspaceDir string
 	agentID      string
-	username     string
 )
 
 func main() {
@@ -70,7 +69,8 @@ func main() {
 }
 
 func getCmd() *cobra.Command {
-	return &cobra.Command{
+	var showUsername bool
+	cmd := &cobra.Command{
 		Use:   "get [key]",
 		Short: "Get password for a key",
 		Args:  cobra.ExactArgs(1),
@@ -81,13 +81,15 @@ func getCmd() *cobra.Command {
 				fmt.Fprintf(os.Stderr, "Error: %v\n", err)
 				os.Exit(1)
 			}
-			if username {
+			if showUsername {
 				fmt.Println(user)
 			} else {
 				fmt.Println(password)
 			}
 		},
 	}
+	cmd.Flags().BoolVar(&showUsername, "username", false, "Show username instead of password")
+	return cmd
 }
 
 func generateCmd() *cobra.Command {