uses protected memory buffers now for all secrets in ram

internal/cli/generate.go

@@ -7,6 +7,7 @@ import (
 	"os"
 
 	"git.eeqj.de/sneak/secret/internal/vault"
+	"github.com/awnumar/memguard"
 	"github.com/spf13/cobra"
 	"github.com/tyler-smith/go-bip39"
 )
@@ -136,7 +137,11 @@ func (cli *Instance) GenerateSecret(
 		return err
 	}
 
-	if err := vlt.AddSecret(secretName, []byte(secretValue), force); err != nil {
+	// Protect the generated secret immediately
+	secretBuffer := memguard.NewBufferFromBytes([]byte(secretValue))
+	defer secretBuffer.Destroy()
+
+	if err := vlt.AddSecret(secretName, secretBuffer, force); err != nil {
 		return err
 	}