Update vehicle scraping logic and enhance error handling; add CSV output flushing

README.md

@@ -2,9 +2,9 @@
 
 .NET console scraper.
 
-Kaynak: `http://www.hsn-tsn.de/`
+Source: `http://www.hsn-tsn.de/`
 
-CSV cikti alanlari:
+CSV output fields:
 
 - `HsnTsn`, `Hsn`, `Tsn`
 - `Brand`, `VehicleType`, `Model`, `OfficialType`
@@ -13,22 +13,22 @@ CSV cikti alanlari:
 - `MatchKey`
 - `SourceQuery`, `SourceListUrl`, `SourceDetailUrl`
 
-## Calistirma
+## Usage
 
-Tum marka sayfalarini tara:
+Scrape all brand pages:
 
 ```bash
 dotnet run --project src/HsnTsnScraper/HsnTsnScraper.csproj > hsntsn.csv
 ```
 
-Sadece verilen sorgulari tara (`stdin`):
+Scrape only specific queries from `stdin`:
 
 ```bash
 printf "0588\nGolf\n" | dotnet run --project src/HsnTsnScraper/HsnTsnScraper.csproj > hsntsn.csv
 ```
 
-Detay sayfasi zenginlestirmesini kapat:
+Enable detail-page enrichment:
 
 ```bash
-printf "0588\n" | dotnet run --project src/HsnTsnScraper/HsnTsnScraper.csproj -- --skip-details
+printf "0588\n" | dotnet run --project src/HsnTsnScraper/HsnTsnScraper.csproj -- --include-details
 ```