v0.1.27 release: Complete implementation

Features:
- Error logging system with ETHOS #1 compliance
- Command factory pattern with UUID generation
- Hardware binding with machine fingerprint validation
- Ed25519 cryptographic signing for updates
- Deduplication and idempotency for commands
- Circuit breakers and retry logic
- Frontend error logging integration

Bug Fixes:
- Version display using compile-time injection
- Migration 017 CONCURRENTLY issue resolved
- Docker build context fixes
- Rate limiting implementation verified

Documentation:
- README updated to reflect actual implementation
- v0.1.27 inventory analysis added

aggregator-agent/cmd/agent/subsystem_handlers.go

@@ -144,7 +144,7 @@ func handleScanSystem(apiClient *client.Client, cfg *config.Config, ackTracker *
 
 	// Report system metrics to server using dedicated endpoint
 	// Get system scanner and use proper interface
-	systemScanner := orchestrator.NewSystemScanner("unknown") // TODO: Get actual agent version
+	systemScanner := orchestrator.NewSystemScanner(cfg.AgentVersion)
 	var metrics []orchestrator.SystemMetric // Declare outside if block for ReportLog access
 	if systemScanner.IsAvailable() {
 		var err error