refactor: reorganize struct fields, add new handlers and storage backends

- [x] Reorder struct fields across codebase for consistency
- [x] Add analytics event handlers and tests
- [x] Add authentication API key management handlers and tests
- [x] Add pre-warming control handlers and tests
- [x] Implement S3 storage backend with tests
- [x] Implement SMB/CIFS storage backend with tests
- [x] Add CDN middleware tests
- [x] Integrate analytics tracking into cache manager
- [x] Add S3 and SMB storage initialization in app setup
- [x] Add CDN caching to proxy handlers
- [x] Remove distributed locking (Redis lock manager)
- [x] Remove proxy common package and utilities
- [x] Remove standalone HTTP server package
- [x] Remove logger middleware
- [x] Simplify error handling utilities
- [x] Update config with S3 and SMB options
- [x] Update cache manager signature to include analytics

pkg/scanner/npmaudit/npmaudit.go

@@ -199,9 +199,9 @@ func (s *Scanner) convertResult(auditResult *NpmAuditResult, registry, packageNa
 
 // NpmAuditResult represents npm audit JSON output
 type NpmAuditResult struct {
-	AuditReportVersion int                         `json:"auditReportVersion"`
 	Vulnerabilities    map[string]NpmVulnerability `json:"vulnerabilities"`
 	Metadata           NpmAuditMetadata            `json:"metadata"`
+	AuditReportVersion int                         `json:"auditReportVersion"`
 }
 
 type NpmVulnerability struct {