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Implement repository pattern for AuditLog entity for Sprint 2 Story 1 Task 2. Changes: - Created IAuditLogRepository interface with 6 query methods - Implemented AuditLogRepository with efficient querying - Registered repository in DI container - All queries use AsNoTracking for read-only operations Query Methods: - GetByIdAsync: Get single audit log by ID - GetByEntityAsync: Get audit history for specific entity - GetByUserAsync: Get user activity with pagination - GetRecentAsync: Get recent audit logs - AddAsync: Add new audit log - GetCountAsync: Get total audit log count Performance: - All queries automatically filtered by TenantId (Global Query Filter) - Efficient use of composite indexes - AsNoTracking for read-only operations Testing: - All tests passing (192 domain + 113 identity + 8 arch + 32 app + 12 infra = 357 tests) - No compilation errors - Zero test failures 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>