diff --git a/routlin/install.py b/routlin/install.py
index 0135f46..bdb0928 100644
--- a/routlin/install.py
+++ b/routlin/install.py
@@ -10,6 +10,7 @@ Usage:
   sudo python3 install.py
 """
 
+import argparse
 import os
 import re
 import secrets
@@ -19,6 +20,8 @@ import subprocess
 import sys
 from pathlib import Path
 
+AUTO_YES     = False
+
 SCRIPT_DIR   = Path(__file__).parent.resolve()
 COMPOSE_FILE = SCRIPT_DIR.parent / "docker" / "routlin-dash" / "docker-compose.yml"
 CADDYFILE    = Path("/etc/caddy/Caddyfile")
@@ -71,6 +74,10 @@ def check_root():
 
 def prompt_yn(question, default=None):
     """Prompt for yes/no. default: 'y', 'n', or None (require explicit answer)."""
+    if AUTO_YES:
+        choice = (default == "y") if default else True
+        print(f"  {question} [auto: {'y' if choice else 'n'}]")
+        return choice
     hint = {None: "[y/n]", "y": "[Y/n]", "n": "[y/N]"}[default]
     while True:
         ans = input(f"  {question} {hint}: ").strip().lower()
@@ -535,6 +542,13 @@ def _lan_ip():
 # ===================================================================
 
 def main():
+    global AUTO_YES
+    parser = argparse.ArgumentParser(description="Routlin setup wizard.")
+    parser.add_argument('-y', '--yes', action='store_true',
+                        help='Auto-accept all yes/no prompts using their defaults.')
+    args = parser.parse_args()
+    AUTO_YES = args.yes
+
     check_root()
 
     print()