…Implementation

Implements full ESPI 4.0 customer.xsd compliance for ServiceLocation including
Location inheritance (type → mainAddress → phone1/phone2 → status → positionPoints)
and ServiceLocation fields (accessMethod → usagePointHrefs → outageBlock).

## Entity Changes
- ServiceLocationEntity: Added status.remark @AttributeOverride, usagePointHrefs collection
- ServiceLocationEntity: Replaced PhoneNumberEntity with embedded TelephoneNumber (8 fields)
- Organisation: Created TelephoneNumber @embeddable with all 8 customer.xsd fields
- PhoneNumberEntity: Marked @deprecated (retained for backward compatibility)

## DTO Changes
- ServiceLocationDto: Complete refactor to match customer.xsd ServiceLocation → WorkLocation → Location
- ServiceLocationDto: Added all Location fields (type, addresses, phone1/phone2, electronicAddress, geoInfoReference, direction, status, positionPoints)
- ServiceLocationDto: Added all ServiceLocation fields (accessMethod, siteAccessProblem, needsInspection, usagePointHrefs, outageBlock)
- CustomerDto: Renamed PhoneNumberDto → TelephoneNumberDto with 8 fields
- StatusDto: Created shared top-level DTO for Status type (value, dateTime, remark, reason)
- CustomerDto: Removed nested StatusDto class (uses shared StatusDto)

## Mapper Changes
- ServiceLocationMapper: Created complete bidirectional Entity ↔ DTO mapper
- CustomerMapper: Updated for 8-field TelephoneNumber
- DtoExportServiceImpl: Added StatusDto to JAXBContext initialization

## Repository/Service Changes
- ServiceLocationRepository: Removed 5 non-indexed query methods for performance
- ServiceLocationService/Impl: Removed corresponding service methods

## Database Migration
- V3__Create_additiional_Base_Tables.sql: Added status_remark column
- V3__Create_additiional_Base_Tables.sql: Added 16 phone columns (phone1_*, phone2_*)
- V3__Create_additiional_Base_Tables.sql: Created service_location_usage_point_hrefs table

## Test Changes
- ServiceLocationDtoTest: Created comprehensive 6-test suite for XML marshalling
- ServiceLocationRepositoryTest: Removed tests for deleted query methods
- CustomerDtoTest/MarshallingTest: Updated for 8-field TelephoneNumber and shared StatusDto
- All XML assertion tests: Updated to chain assertions and handle self-closing tags

## JAXB Fixes
- Resolved "Two classes have same XML type name Status" IllegalAnnotationsException
- Created shared StatusDto to eliminate duplicate nested classes
- Fixed JAXBContext initialization to include shared StatusDto

## Test Results
- All 636 tests pass (0 failures, 0 errors)
- Integration tests pass
- Full CI/CD verification complete

## Schema Compliance
- ServiceLocation per customer.xsd lines 1218-1280
- Location per customer.xsd lines 914-997
- TelephoneNumber per customer.xsd lines 1428-1478
- Status per customer.xsd lines 1254-1280

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