Add debug logging to FalukantService and RevenueSection for better price tracking

- Introduced console logs in FalukantService to trace product price calculations and city evaluations, aiding in debugging and performance monitoring.
- Added logging in RevenueSection to capture the loading process and received better prices for products, enhancing visibility into price retrieval operations.

backend/services/falukantService.js

@@ -3725,6 +3725,7 @@ class FalukantService extends BaseService {
 
         // Für jede Stadt den Preis berechnen und Branch-Typ bestimmen
         const results = [];
+        console.log(`[getProductPricesInCities] productId: ${productId}, currentPrice: ${currentPrice}, knowledgeFactor: ${knowledgeFactor}, product.sellCost: ${product.sellCost}, cities: ${cities.length}`);
         for (const city of cities) {
             // Regionaler Preis-Faktor (worthPercent zwischen 40-60)
             const worthPercent = worthMap.get(city.id) || 50; // Default 50% wenn nicht gefunden
@@ -3737,6 +3738,8 @@ class FalukantService extends BaseService {
             const max = basePrice;
             const priceInCity = min + (max - min) * (knowledgeFactor / 100);
             
+            console.log(`[getProductPricesInCities] City: ${city.name} (${city.id}), worthPercent: ${worthPercent}, basePrice: ${basePrice}, priceInCity: ${priceInCity}, currentPrice: ${currentPrice}, isBetter: ${priceInCity > currentPrice + 0.001}`);
+            
             // Nur Städte zurückgeben, wo der Preis höher ist
             // Verwende eine kleine Toleranz (0.001) um Rundungsfehler zu vermeiden
             if (priceInCity > currentPrice + 0.001) {
@@ -3764,6 +3767,7 @@ class FalukantService extends BaseService {
         // Sortiere nach Preis (höchster zuerst)
         results.sort((a, b) => b.price - a.price);
 
+        console.log(`[getProductPricesInCities] Returning ${results.length} cities with better prices`);
         return results;
     }