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-server/internal/command/factory.go

@@ -0,0 +1,66 @@
+package command
+
+import (
+	"errors"
+	"fmt"
+	"time"
+
+	"github.com/Fimeg/RedFlag/aggregator-server/internal/models"
+	"github.com/google/uuid"
+)
+
+// Factory creates validated AgentCommand instances
+type Factory struct {
+	validator *Validator
+}
+
+// NewFactory creates a new command factory
+func NewFactory() *Factory {
+	return &Factory{
+		validator: NewValidator(),
+	}
+}
+
+// Create generates a new validated AgentCommand with unique ID
+func (f *Factory) Create(agentID uuid.UUID, commandType string, params map[string]interface{}) (*models.AgentCommand, error) {
+	cmd := &models.AgentCommand{
+		ID:          uuid.New(),
+		AgentID:     agentID,
+		CommandType: commandType,
+		Status:      "pending",
+		Source:      determineSource(commandType),
+		Params:      params,
+		CreatedAt:   time.Now(),
+		UpdatedAt:   time.Now(),
+	}
+
+	if err := f.validator.Validate(cmd); err != nil {
+		return nil, fmt.Errorf("command validation failed: %w", err)
+	}
+
+	return cmd, nil
+}
+
+// determineSource classifies command source based on type
+func determineSource(commandType string) string {
+	if isSystemCommand(commandType) {
+		return "system"
+	}
+	return "manual"
+}
+
+func isSystemCommand(commandType string) bool {
+	systemCommands := []string{
+		"enable_heartbeat",
+		"disable_heartbeat",
+		"update_check",
+		"cleanup_old_logs",
+	}
+
+	for _, cmd := range systemCommands {
+		if commandType == cmd {
+			return true
+		}
+	}
+	return false
+}