fix(back-end): file error handling

backend/src/main/resources/application.properties

@@ -22,4 +22,5 @@ spring.servlet.multipart.max-request-size=200MB
 # ClamAV Configuration
 clamav.host=${CLAMAV_HOST:clamav}
 clamav.port=${CLAMAV_PORT:3310}
+clamav.enabled=${CLAMAV_ENABLED:false}
 

backend/src/test/java/com/printcalculator/config/TestConfig.java

@@ -13,7 +13,7 @@ public class TestConfig {
     @Bean
     @Primary
     public ClamAVService mockClamAVService() {
-        return new ClamAVService("localhost", 3310) {
+        return new ClamAVService("localhost", 3310, true) {
             @Override
             public boolean scan(InputStream inputStream) {
                 return true; // Always clean for tests

docker-compose.yml

@@ -13,11 +13,6 @@ services:
       - DB_USERNAME=printcalc
       - DB_PASSWORD=printcalc_secret
       - SPRING_PROFILES_ACTIVE=local
-      - FILAMENT_COST_PER_KG=22.0
-      - MACHINE_COST_PER_HOUR=2.50
-      - ENERGY_COST_PER_KWH=0.30
-      - PRINTER_POWER_WATTS=150
-      - MARKUP_PERCENT=20
       - TEMP_DIR=/app/temp
       - PROFILES_DIR=/app/profiles
       - CLAMAV_HOST=clamav