Add additional services system (v0.5.0)

- Service CPT with pricing types: Included, Per Booking, Per Night
- ServiceCategory taxonomy with default categories
- Booking-services integration with service selector
- Real-time price calculation based on nights and quantity
- Services total and grand total display in booking admin

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

PLAN.md

@@ -84,37 +84,37 @@ This document outlines the implementation plan for the WP BnB Management plugin.
 - [x] Email notifications
 - [x] Booking confirmation
 
-## Phase 4: Guest Management (v0.4.0)
+## Phase 4: Guest Management (v0.4.0) - Complete
 
 ### Custom Post Type: Guests
 
-- [ ] Personal information (name, email, phone)
-- [ ] Address fields
-- [ ] ID/Passport information
-- [ ] Booking history reference
-- [ ] Notes and preferences
+- [x] Personal information (name, email, phone)
+- [x] Address fields
+- [x] ID/Passport information
+- [x] Booking history reference
+- [x] Notes and preferences
 
 ### Privacy & Compliance
 
-- [ ] GDPR compliance features
-- [ ] Data export functionality
-- [ ] Data deletion on request
-- [ ] Consent tracking
+- [x] GDPR compliance features
+- [x] Data export functionality
+- [x] Data deletion on request
+- [x] Consent tracking
 
-## Phase 5: Additional Services (v0.5.0)
+## Phase 5: Additional Services (v0.5.0) - Complete
 
 ### Service Options
 
-- [ ] Custom Post Type: Services
-- [ ] Price per service (or included)
-- [ ] Per-booking or per-night pricing
-- [ ] Service categories
+- [x] Custom Post Type: Services
+- [x] Price per service (or included)
+- [x] Per-booking or per-night pricing
+- [x] Service categories
 
 ### Booking Services
 
-- [ ] Service selection during booking
-- [ ] Automatic price calculation
-- [ ] Service summary display
+- [x] Service selection during booking
+- [x] Automatic price calculation
+- [x] Service summary display
 
 ## Phase 6: Frontend Features (v0.6.0)
 
@@ -291,8 +291,8 @@ The plugin will provide extensive hooks for customization:
 | 0.1.0   | Data structures | Complete |
 | 0.2.0   | Pricing         | Complete |
 | 0.3.0   | Bookings        | Complete |
-| 0.4.0   | Guests          | TBD      |
-| 0.5.0   | Services        | TBD      |
+| 0.4.0   | Guests          | Complete |
+| 0.5.0   | Services        | Complete |
 | 0.6.0   | Frontend        | TBD      |
 | 0.7.0   | CF7 Integration | TBD      |
 | 0.8.0   | Dashboard       | TBD      |