feat: delete firmware

internal/service/firmware.go

@@ -110,6 +110,31 @@ func (s *FirmwareService) GetFirmwarePath(name, version string) (string, error)
 	return s.storage.GetFirmwareBinaryPath(name, version), nil
 }
 
+// DeleteFirmware deletes firmware binary and metadata
+func (s *FirmwareService) DeleteFirmware(name, version string) error {
+	// Validate required fields
+	if name == "" || version == "" {
+		return fmt.Errorf("name and version are required")
+	}
+
+	// Check if firmware exists
+	if !s.storage.FirmwareExists(name, version) {
+		return fmt.Errorf("firmware not found")
+	}
+
+	// Delete from database first
+	if err := s.repo.DeleteFirmwareMetadata(name, version); err != nil {
+		return fmt.Errorf("failed to delete firmware metadata: %w", err)
+	}
+
+	// Delete firmware binary
+	if err := s.storage.DeleteFirmwareBinary(name, version); err != nil {
+		return fmt.Errorf("failed to delete firmware binary: %w", err)
+	}
+
+	return nil
+}
+
 // groupFirmwareByName groups firmware records by name
 func (s *FirmwareService) groupFirmwareByName(records []models.FirmwareRecord) []models.GroupedFirmware {
 	nameMap := make(map[string][]models.FirmwareRecord)