feat: add installer mode flag

README.md

@@ -123,9 +123,9 @@ See `docs/ARCHITECTURE.md` and [Nostr Setup](docs/nostr_setup.md) for details.
 ### Quick Installer
 
 Use the automated installer to download SeedPass and its dependencies in one step.
-The scripts can also install the BeeWare backend for your platform when requested (use `-IncludeGui` on Windows).
+The scripts can also install the BeeWare backend for your platform when requested (`--mode gui` or `--mode both` on Linux/macOS, `-IncludeGui` on Windows).
 If the GTK `gi` bindings are missing, the installer attempts to install the
-necessary system packages using `apt`, `yum`, `pacman`, or Homebrew.
+necessary system packages using `apt`, `yum`, `pacman`, or Homebrew. When no display server is detected, GUI components are skipped automatically.
 
 **Linux and macOS:**
 ```bash
@@ -136,6 +136,10 @@ bash -c "$(curl -sSL https://raw.githubusercontent.com/PR0M3TH3AN/SeedPass/main/
 bash -c "$(curl -sSL https://raw.githubusercontent.com/PR0M3TH3AN/SeedPass/main/scripts/install.sh)" _ -b beta
 ```
 Make sure the command ends right after `-b beta` with **no trailing parenthesis**.
+*Install with GUI support:*
+```bash
+bash -c "$(curl -sSL https://raw.githubusercontent.com/PR0M3TH3AN/SeedPass/main/scripts/install.sh)" _ --mode gui
+```
 
 **Windows (PowerShell):**
 ```powershell
@@ -152,7 +156,7 @@ The Windows installer will attempt to install Git automatically if it is not alr
 
 #### Installer Dependency Checks
 
-The installer verifies that core build tooling—C/C++ build tools, Rust, CMake, and the imaging/GTK libraries—are available before completing. Pass `--no-gui` to skip installing GUI packages. On Linux, ensure `xclip` or `wl-clipboard` is installed for clipboard support.
+The installer verifies that core build tooling—C/C++ build tools, Rust, CMake, and the imaging/GTK libraries—are available before completing. Use `--mode gui` to install only the graphical interface or `--mode both` to install both interfaces (default: `tui`). On Linux, ensure `xclip` or `wl-clipboard` is installed for clipboard support.
 
 #### Windows Nostr Sync Troubleshooting
 

scripts/install.sh

@@ -17,7 +17,8 @@ VENV_DIR="$INSTALL_DIR/venv"
 LAUNCHER_DIR="$HOME/.local/bin"
 LAUNCHER_PATH="$LAUNCHER_DIR/seedpass"
 BRANCH="main" # Default branch
-INSTALL_GUI=true
+MODE="tui"
+INSTALL_GUI=false
 
 # --- Helper Functions ---
 print_info() { echo -e "\033[1;34m[INFO]\033[0m" "$1"; }
@@ -59,9 +60,9 @@ install_dependencies() {
     fi
 }
 usage() {
-    echo "Usage: $0 [-b | --branch <branch_name>] [--no-gui] [-h | --help]"
+    echo "Usage: $0 [-b | --branch <branch_name>] [-m | --mode <tui|gui|both>] [-h | --help]"
     echo "  -b, --branch   Specify the git branch to install (default: main)"
-    echo "      --no-gui   Skip graphical interface dependencies (default: include GUI)"
+    echo "  -m, --mode     Installation mode: tui, gui, both (default: tui)"
     echo "  -h, --help     Display this help message"
     exit 0
 }
@@ -82,9 +83,13 @@ main() {
             -h|--help)
                 usage
                 ;;
-            --no-gui)
-                INSTALL_GUI=false
-                shift
+            -m|--mode)
+                if [ -n "$2" ]; then
+                    MODE="$2"
+                    shift 2
+                else
+                    print_error "Error: --mode requires an argument (tui|gui|both)."
+                fi
                 ;;
             *)
                 print_error "Unknown parameter passed: $1"; usage
@@ -92,6 +97,26 @@ main() {
         esac
     done
 
+    case "$MODE" in
+        tui|gui|both) ;;
+        *)
+            print_error "Invalid mode: $MODE. Use 'tui', 'gui', or 'both'."
+            ;;
+    esac
+
+    DISPLAY_DETECTED=false
+    if [ -n "${DISPLAY:-}" ] || [ -n "${WAYLAND_DISPLAY:-}" ]; then
+        DISPLAY_DETECTED=true
+    fi
+
+    if [[ "$MODE" == "gui" || "$MODE" == "both" ]]; then
+        if [ "$DISPLAY_DETECTED" = true ]; then
+            INSTALL_GUI=true
+        else
+            print_warning "No display detected. Skipping GUI installation."
+        fi
+    fi
+
     # 1. Detect OS
     OS_NAME=$(uname -s)
     print_info "Installing SeedPass from branch: '$BRANCH'"