This release adds comprehensive pattern detection for 3 new language ecosystems,
bringing Drift from TypeScript/JavaScript-only to true polyglot support.

## 🚀 New Language Support

### C# / ASP.NET Core
- **Auth**: [Authorize] attributes, JWT patterns, Identity, resource-based authorization
- **Data Access**: Entity Framework Core, repository patterns, DbContext
- **Security**: Input validation, SQL injection prevention
- **Errors**: Exception patterns, Result<T> pattern
- **Logging**: ILogger patterns, structured logging
- **Testing**: xUnit patterns, test fixtures

### PHP / Laravel
- **Auth**: Policies, Gates, middleware, Sanctum/Passport
- **Data Access**: Eloquent ORM, relationships, query scopes
- **Security**: Form Requests, CSRF, mass assignment protection
- **API**: Resource controllers, API resources
- **Errors**: Exception handlers, custom exceptions
- **Logging**: Laravel logging channels

### Java / Spring Boot
- **Auth**: Spring Security, @PreAuthorize, SecurityConfig
- **Data Access**: Spring Data JPA, repositories, @Transactional
- **Security**: Bean Validation (@NotBlank, @Email, @Size)
- **API**: @RestController, @RequestMapping patterns
- **Errors**: @ControllerAdvice, exception handlers

## 🆕 New Features

### Data Boundaries System
- Track which code accesses which database tables
- Detect sensitive field access patterns
- Boundary violation detection
- New CLI command: `drift boundaries`

### Demo Repositories
- `demo/csharp-backend` - ASP.NET Core Web API example
- `demo/laravel-backend` - Laravel API example
- `demo/spring-backend` - Spring Boot example
- All demos include patterns for testing scanner accuracy

## 🐛 Bug Fixes
- Fixed symlink resolution on macOS (/var -> /private/var)
- Fixed design-tokens regex matching CSS `color:` property
- Fixed history-store tests to match actual implementation
- Fixed Laravel security detector constructor

## 📊 Stats
- 327 files changed
- 3 new language ecosystems
- 50+ new semantic detectors
- 5 demo repositories for validation