Release v0.6.1 - Bug fixes and enhancements

New Features:
- Auto-update system with configurable check frequency
- Updates tab in settings with manual check button
- Localhost development mode bypasses license validation
- Extended general settings (address, contact, social media)
- Pricing settings split into subtabs
- Guest ID/passport encryption using AES-256-CBC
- Guest auto-creation from booking form

Bug Fixes:
- Fixed Booking admin issues with auto-draft status
- Fixed guest dropdown loading in booking form
- Fixed booking history display on Guest edit page
- Fixed service pricing meta box (Gutenberg hiding meta boxes)

Changes:
- Admin submenu reordered for better organization
- Booking title shows guest name and dates (room removed)
- Service, Guest, Booking use classic editor (not Gutenberg)
- Settings tabs flush with content (no gap)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

assets/css/admin.css

@@ -54,7 +54,8 @@
 
 /* Settings Tabs */
 .nav-tab-wrapper {
-	margin-bottom: 20px;
+	margin-bottom: 0;
+	border-bottom: 1px solid #c3c4c7;
 }
 
 .tab-content {
@@ -64,6 +65,57 @@
 	padding: 20px;
 }
 
+/* Settings Subtabs */
+.wp-bnb-subtabs {
+	display: flex;
+	gap: 0;
+	margin-bottom: 20px;
+	border-bottom: 1px solid #c3c4c7;
+}
+
+.wp-bnb-subtab {
+	display: inline-flex;
+	align-items: center;
+	gap: 6px;
+	padding: 10px 16px;
+	text-decoration: none;
+	color: #50575e;
+	background: #f6f7f7;
+	border: 1px solid #c3c4c7;
+	border-bottom: none;
+	margin-bottom: -1px;
+	margin-right: -1px;
+	font-size: 13px;
+	transition: background 0.15s ease, color 0.15s ease;
+}
+
+.wp-bnb-subtab:first-child {
+	border-top-left-radius: 4px;
+}
+
+.wp-bnb-subtab:last-child {
+	border-top-right-radius: 4px;
+	margin-right: 0;
+}
+
+.wp-bnb-subtab:hover {
+	background: #fff;
+	color: #135e96;
+}
+
+.wp-bnb-subtab.active {
+	background: #fff;
+	color: #1d2327;
+	font-weight: 600;
+	border-bottom-color: #fff;
+}
+
+.wp-bnb-subtab .dashicons {
+	font-size: 16px;
+	width: 16px;
+	height: 16px;
+}
+
 /* Form Tables */
 .form-table th {
 	width: 200px;