fix: improve env var behavior and snapshot preview

- Move OPENBOOT_PRESET outside silent block to work in interactive mode
- Add NPM packages display to snapshot preview output

Fixes documentation audit issues C1 and M4

Author: fullstackjam

internal/cli/root.go

@@ -42,9 +42,11 @@ shell configuration, and macOS preferences.`,
 			if email := os.Getenv("OPENBOOT_GIT_EMAIL"); email != "" {
 				cfg.GitEmail = email
 			}
-			if preset := os.Getenv("OPENBOOT_PRESET"); preset != "" && cfg.Preset == "" {
-				cfg.Preset = preset
-			}
+		}
+
+		// Read OPENBOOT_PRESET env var (works in both interactive and silent modes)
+		if preset := os.Getenv("OPENBOOT_PRESET"); preset != "" && cfg.Preset == "" {
+			cfg.Preset = preset
 		}
 
 		if user := os.Getenv("OPENBOOT_USER"); user != "" && cfg.User == "" {

internal/cli/snapshot.go

@@ -287,6 +287,9 @@ func showSnapshotPreview(snap *snapshot.Snapshot) {
 	fmt.Fprintf(os.Stderr, "  %s %d\n", snapBoldStyle.Render("Taps:"), len(snap.Packages.Taps))
 	printSnapshotList(snap.Packages.Taps, 10)
 
+	fmt.Fprintf(os.Stderr, "  %s %d\n", snapBoldStyle.Render("NPM Packages:"), len(snap.Packages.Npm))
+	printSnapshotList(snap.Packages.Npm, 10)
+
 	fmt.Fprintf(os.Stderr, "  %s %d\n", snapBoldStyle.Render("macOS Preferences:"), len(snap.MacOSPrefs))
 	for _, pref := range snap.MacOSPrefs {
 		fmt.Fprintf(os.Stderr, "    %s.%s = %s\n", pref.Domain, pref.Key, pref.Value)