diff --git a/update-Nitrov3.sh b/update-Nitrov3.sh
index 0795da9..e3eaa62 100755
--- a/update-Nitrov3.sh
+++ b/update-Nitrov3.sh
@@ -11,7 +11,12 @@ if [ -f "$SCRIPT_DIR/.env" ]; then
     set +a
 fi
 
-# Prompt for site URL before unbuffer exec, so interactive input works
+# Use CMS APP_URL as fallback for NITRO_SITE_URL, then prompt if still unset
+if [ -z "${NITRO_SITE_URL:-}" ] && [ -n "${APP_URL:-}" ]; then
+    NITRO_SITE_URL="$APP_URL"
+    echo "--> Using APP_URL from .env: $NITRO_SITE_URL"
+fi
+
 if [ -z "${NITRO_SITE_URL:-}" ]; then
     read -r -p "Enter your site URL (e.g. https://example.com): " NITRO_SITE_URL
     NITRO_SITE_URL="${NITRO_SITE_URL%/}"
@@ -22,14 +27,14 @@ if [ -z "${NITRO_SITE_URL:-}" ]; then
     export NITRO_SITE_URL
 fi
 
-# Prompt for branch if not set in .env
+# Prompt for branch if not set in .env, default to main
 if [ -z "${NITRO_BRANCH:-}" ]; then
-    read -r -p "Enter branch to use (main/dev) [main]: " NITRO_BRANCH
+    read -r -p "Enter branch (main/dev) [main]: " NITRO_BRANCH
     NITRO_BRANCH="${NITRO_BRANCH:-main}"
-    if [ "$NITRO_BRANCH" != "main" ] && [ "$NITRO_BRANCH" != "dev" ]; then
-        echo "=== ❌ Invalid branch '$NITRO_BRANCH'. Choose 'main' or 'dev'. ==="
-        exit 1
-    fi
+    case "$NITRO_BRANCH" in
+        main|dev) ;;
+        *) echo "=== ❌ Invalid branch '$NITRO_BRANCH'. Choose 'main' or 'dev'. ==="; exit 1 ;;
+    esac
     export NITRO_BRANCH
 fi
 
@@ -64,20 +69,18 @@ NITRO_CLIENT="${NITRO_CLIENT_SRC:-/var/www/Nitro-V3}"
 NITRO_RENDERER="${NITRO_RENDERER_SRC:-/var/www/Nitro_Render_V3}"
 NITRO_BRANCH="${NITRO_BRANCH:-main}"
 
-# Derive ws/wss protocol from the site scheme
+# Derive ws/wss protocol and domain from site URL
 case "$NITRO_SITE_URL" in
     https://*)  NITRO_WS_PROTO="wss://" ; NITRO_DOMAIN="${NITRO_SITE_URL#https://}" ;;
     http://*)   NITRO_WS_PROTO="ws://"  ; NITRO_DOMAIN="${NITRO_SITE_URL#http://}"  ;;
     *)          NITRO_WS_PROTO="wss://" ; NITRO_DOMAIN="$NITRO_SITE_URL"             ;;
 esac
 
-# Critical URLs for catalog icons (from env, with automatic per-site defaults)
+# Critical URLs (override via NITRO_* env vars, auto-derived otherwise)
 NITRO_IMAGE_LIBRARY_URL="${NITRO_IMAGE_LIBRARY_URL:-$NITRO_SITE_URL/gamedata/c_images/}"
 NITRO_HOF_FURNITURE_URL="${NITRO_HOF_FURNITURE_URL:-$NITRO_SITE_URL/gamedata/icons}"
 NITRO_API_URL="${NITRO_API_URL:-$NITRO_SITE_URL}"
-if [ -z "${NITRO_SOCKET_URL:-}" ]; then
-    NITRO_SOCKET_URL="${NITRO_WS_PROTO}ws.${NITRO_DOMAIN}"
-fi
+NITRO_SOCKET_URL="${NITRO_SOCKET_URL:-${NITRO_WS_PROTO}ws.${NITRO_DOMAIN}}"
 NITRO_CAMERA_URL="${NITRO_CAMERA_URL:-$NITRO_SITE_URL/camera/photo/}"
 NITRO_GAMEDATA_URL="${NITRO_GAMEDATA_URL:-$NITRO_SITE_URL/gamedata}"
 NITRO_ASSET_URL="${NITRO_ASSET_URL:-$NITRO_SITE_URL/gamedata/bundled}"
@@ -88,9 +91,22 @@ MYSQL_CRED="-h $DB_HOST -P $DB_PORT -u $DB_USER --ssl-verify-server-cert=OFF"
 if [ -n "$DB_PASS" ]; then
     export MYSQL_PWD="$DB_PASS"
 fi
-# ---------------------
 
-# Helper: forcefully remove node_modules (with sudo fallback) and restore directory owner
+# Verify all required directories exist before starting
+REQUIRED_DIRS=(
+    "$EMULATOR_DIR/Emulator"
+    "$NITRO_RENDERER"
+    "$NITRO_CLIENT"
+    "$NITRO_SRC_DIR"
+)
+for dir in "${REQUIRED_DIRS[@]}"; do
+    if [ ! -d "$dir" ]; then
+        echo "=== ❌ Required directory not found: $dir ==="
+        exit 1
+    fi
+done
+
+# Helper: forcefully remove node_modules (with sudo fallback) and restore owner
 clean_node_modules() {
     rm -rf node_modules 2>/dev/null || sudo rm -rf node_modules 2>/dev/null || true
     if [ "$(stat -c '%U' .)" != "$(whoami)" ] && command -v sudo &> /dev/null; then
@@ -98,7 +114,25 @@ clean_node_modules() {
     fi
 }
 
+# Helper: git stash → checkout → pull → return 0 if new commits, 1 otherwise
+git_update() {
+    local repo="$1"
+    local branch="$2"
+    cd "$repo"
+    git stash --include-untracked || true
+    local old_head
+    old_head=$(git rev-parse HEAD)
+    git checkout "$branch"
+    git pull
+    if [ "$(git rev-parse HEAD)" != "$old_head" ]; then
+        return 0
+    fi
+    return 1
+}
+
 echo "=== Starting EPIC WEB CONTROL Update ==="
+echo "--> Site: $NITRO_SITE_URL | Branch: $NITRO_BRANCH"
+echo ""
 
 HAD_UPDATES=false
 NITRO_BUILT=false
@@ -107,37 +141,31 @@ NITRO_BUILT=false
 # 1. Update and Build Emulator
 # ----------------------------------------
 echo "--> Updating Emulator..."
-EMULATOR_REPO_DIR="$EMULATOR_DIR/Emulator"
-[ -d "$EMULATOR_REPO_DIR" ] || { echo "=== ❌ Directory not found: $EMULATOR_REPO_DIR ==="; exit 1; }
-cd "$EMULATOR_REPO_DIR"
-git stash --include-untracked || true
-OLD_HEAD=$(git rev-parse HEAD)
-git checkout "$NITRO_BRANCH"
-git pull
 
-# --- Automatic Safe Database Backup ---
-echo "--> Creating automatic database backup before update..."
-mkdir -p "$BACKUP_DIR"
-mariadb-dump $MYSQL_CRED --force --skip-lock-tables "$DB_NAME" > "$BACKUP_DIR/backup_$(date +%Y%m%d_%H%M%S).sql" || echo "--> Backup has missing tables (not critical) — update continues"
-
-# --- Automatic SQL Import (exclusief backup dir) ---
-echo "--> Checking for new SQL files..."
-if [ -d "$SQL_DIR" ]; then
-    find "$SQL_DIR" -name "*.sql" -mmin -10 -not -path "$BACKUP_DIR/*" -print0 2>/dev/null | while IFS= read -r -d '' sql_file; do
-        echo "--> Importing new SQL file: $(basename "$sql_file")"
-        mariadb $MYSQL_CRED --force "$DB_NAME" < "$sql_file" || echo "--> Error importing $(basename "$sql_file"), moving to next..."
-    done
-else
-    echo "--> SQL directory not found, skipping SQL import."
-fi
-
-if [ "$(git rev-parse HEAD)" != "$OLD_HEAD" ]; then
+if git_update "$EMULATOR_DIR/Emulator" "$NITRO_BRANCH"; then
     echo "--> New commits detected, building emulator..."
     HAD_UPDATES=true
+
+    # Automatic Safe Database Backup
+    echo "--> Creating automatic database backup before update..."
+    mkdir -p "$BACKUP_DIR"
+    mariadb-dump $MYSQL_CRED --force --skip-lock-tables "$DB_NAME" > "$BACKUP_DIR/backup_$(date +%Y%m%d_%H%M%S).sql" || echo "--> Backup has missing tables (not critical) — update continues"
+
+    # Automatic SQL Import (exclude backup dir)
+    echo "--> Checking for new SQL files..."
+    if [ -d "$SQL_DIR" ]; then
+        find "$SQL_DIR" -name "*.sql" -mmin -10 -not -path "$BACKUP_DIR/*" -print0 2>/dev/null | while IFS= read -r -d '' sql_file; do
+            echo "--> Importing new SQL file: $(basename "$sql_file")"
+            mariadb $MYSQL_CRED --force "$DB_NAME" < "$sql_file" || echo "--> Error importing $(basename "$sql_file"), moving to next..."
+        done
+    else
+        echo "--> SQL directory not found, skipping SQL import."
+    fi
+
+    cd "$EMULATOR_DIR/Emulator"
     mvn package
 
     JAR_FILE=$(find target -maxdepth 1 -name 'Habbo-*-jar-with-dependencies.jar' -printf '%T@ %p\n' 2>/dev/null | sort -rn | sed -n '1s/^[0-9.]* //p' | xargs basename)
-
     if [ -z "$JAR_FILE" ]; then
         echo "=== ❌ No jar file found with pattern: target/Habbo-*-jar-with-dependencies.jar ==="
         exit 1
@@ -145,9 +173,7 @@ if [ "$(git rev-parse HEAD)" != "$OLD_HEAD" ]; then
 
     echo "--> Found jar file: $JAR_FILE"
     echo "--> Updating emulator launch file..."
-    [ -d target ] || { echo "=== ❌ Build directory 'target' not found ==="; exit 1; }
     cd target/
-
     cat << EOF > emulator
 #!/bin/sh
 file_name_emulator=emulator.log
@@ -166,15 +192,8 @@ fi
 # 2. Update Nitro_Render_V3
 # ----------------------------------------
 echo "--> Updating Nitro_Render_V3..."
-[ -d "$NITRO_RENDERER" ] || { echo "=== ❌ Directory not found: $NITRO_RENDERER ==="; exit 1; }
-cd "$NITRO_RENDERER"
 
-git stash --include-untracked || true
-OLD_HEAD=$(git rev-parse HEAD)
-git checkout "$NITRO_BRANCH"
-git pull
-
-if [ "$(git rev-parse HEAD)" != "$OLD_HEAD" ]; then
+if git_update "$NITRO_RENDERER" "$NITRO_BRANCH"; then
     echo "--> New commits detected, running yarn install for Nitro_Render_V3..."
     HAD_UPDATES=true
     yarn install --frozen-lockfile || { echo "--> Retrying with clean node_modules..."; clean_node_modules && yarn install; }
@@ -187,15 +206,8 @@ fi
 # 3. Update and Build Nitro-V3
 # ----------------------------------------
 echo "--> Updating Nitro-V3..."
-[ -d "$NITRO_CLIENT" ] || { echo "=== ❌ Directory not found: $NITRO_CLIENT ==="; exit 1; }
-cd "$NITRO_CLIENT"
 
-git stash --include-untracked || true
-OLD_HEAD=$(git rev-parse HEAD)
-git checkout "$NITRO_BRANCH"
-git pull
-
-if [ "$(git rev-parse HEAD)" != "$OLD_HEAD" ]; then
+if git_update "$NITRO_CLIENT" "$NITRO_BRANCH"; then
     echo "--> New commits detected, building Nitro-V3..."
     HAD_UPDATES=true
     NITRO_BUILT=true
@@ -241,15 +253,10 @@ for example_file in "$NITRO_SRC_DIR"/*.example; do
         *) target_name="$target_name.json" ;;
     esac
 
-    # Phase 1: Merge to live config in Nitro public dir
     echo "--> Merging $base -> $target_name (live)..."
     node "$MERGE_SCRIPT" "$example_file" "$NITRO_SRC_DIR/$target_name"
-
-    # Phase 2: Merge to Gamedata/config for website
     echo "--> Merging $base -> $target_name (gamedata)..."
     node "$MERGE_SCRIPT" "$example_file" "$GAMEDATA_CONF_DIR/$target_name"
-
-    # Phase 3: Copy merged config to dist/configuration for live client
     if [ -d "$NITRO_DIST_CONFIG_DIR" ]; then
         cp "$NITRO_SRC_DIR/$target_name" "$NITRO_DIST_CONFIG_DIR/$target_name"
         echo "--> [OK] Synced $target_name to dist/configuration/"
@@ -257,7 +264,6 @@ for example_file in "$NITRO_SRC_DIR"/*.example; do
 done
 
 # Phase 4: Restore critical icon URLs in renderer-config and ui-config
-# (prevents git pull from overwriting URLs with example values)
 echo "--> Ensuring critical catalog icon URLs are correct..."
 FORCE_CONFIG_SCRIPT=$(cat << 'PYEOF'
 import json, sys, os
@@ -283,11 +289,9 @@ for path in paths:
             env_val = os.environ.get(f'NITRO_{key.upper().replace(".", "_")}')
             if env_val:
                 data[key] = env_val
-    # Force /config/ path for radio and soundboard
     if 'gamedata.url' in data:
         data['radio.url'] = data['gamedata.url'] + '/config/radio-stations.json5?t=%timestamp%'
         data['soundboard.url'] = data['gamedata.url'] + '/config/soundboard-sounds.json5?t=%timestamp%'
-    # Disable Google Ads
     if 'show.google.ads' in data:
         data['show.google.ads'] = False
     with open(path, 'w') as f:
@@ -310,24 +314,17 @@ cd "$NITRO_CLIENT" && NITRO_SRC_DIR="$NITRO_SRC_DIR" NITRO_DIST_CONFIG_DIR="$NIT
 # ----------------------------------------
 echo "--> Starting automated cleanup..."
 
-# 1. Remove emulator logs older than 14 days
 echo "--> Removing emulator logs older than 14 days..."
 find "$EMULATOR_DIR" -name "*.log" -mtime +14 -exec rm -f {} \; 2>/dev/null || true
 
-# 2. Keep max 5 newest database backups, delete older ones
 echo "--> Managing update backups (keeping max 5)..."
 if [ -d "$BACKUP_DIR" ]; then
     find "$BACKUP_DIR" -maxdepth 1 -name '*.sql' -printf '%T@ %p\n' 2>/dev/null | sort -rn | tail -n +6 | sed 's/^[0-9.]* //' | xargs -r rm -f || true
 fi
 
-# 3. Clean Yarn cache to save SSD space (only if yarn was used)
 if [ "$HAD_UPDATES" = true ]; then
     echo "--> Cleaning Yarn cache..."
     yarn cache clean 2>/dev/null || true
-fi
-
-# 4. Remove old .jar files, keeping only the newest one (only if emulator was rebuilt)
-if [ "$HAD_UPDATES" = true ]; then
     echo "--> Cleaning up old emulator .jar files (keeping the latest)..."
     find "$EMULATOR_DIR/Emulator/target" -maxdepth 1 -name 'Habbo-*-jar-with-dependencies.jar' -printf '%T@ %p\n' 2>/dev/null | sort -rn | tail -n +2 | sed 's/^[0-9.]* //' | xargs -r rm -f || true
 fi
@@ -377,7 +374,6 @@ echo "--> Running extra validation..."
 
 ERRORS=0
 
-# Check build output exists
 if [ "$NITRO_BUILT" = true ]; then
     if [ -d "$NITRO_CLIENT/dist/assets" ]; then
         echo "--> [OK] Nitro-V3 build assets found"
@@ -386,10 +382,9 @@ if [ "$NITRO_BUILT" = true ]; then
         ERRORS=$((ERRORS + 1))
     fi
 else
-    echo "--> [SKIP] Nitro-V3 was not rebuilt (no new commits), skipping build check"
+    echo "--> [SKIP] Nitro-V3 was not rebuilt, skipping build check"
 fi
 
-# Check permissions on key files
 for dir in "$NITRO_CLIENT" "$NITRO_RENDERER" "$EMULATOR_DIR" "$GAMEDATA_CONF_DIR"; do
     if [ -d "$dir" ]; then
         OWNER=$(stat -c '%U:%G' "$dir" 2>/dev/null || echo "unknown")
@@ -403,7 +398,6 @@ for dir in "$NITRO_CLIENT" "$NITRO_RENDERER" "$EMULATOR_DIR" "$GAMEDATA_CONF_DIR
     fi
 done
 
-# Check if emulator service is running
 if systemctl cat "$EMULATOR_SERVICE" &>/dev/null; then
     SERVICE_STATUS=$(systemctl is-active "$EMULATOR_SERVICE" 2>/dev/null || echo "unknown")
     if [ "$SERVICE_STATUS" = "active" ]; then