fix: use updateProcessConcurrency to persist slider changes to config.yaml

- CleanerPage now uses updateProcessConcurrency instead of setProcessConcurrency
- This ensures slider changes are persisted to config.yaml via IPC
- Remove unused queryBatchSize and setProcessConcurrency from destructuring

src/main/services/config/config-manager.ts

@@ -81,6 +81,10 @@ const DEFAULT_CONFIG: FullConfig = {
     enableCrud: false,
     defaultManager: ''
   },
+  cleaner: {
+    queryBatchSize: 100,
+    processConcurrency: 1
+  },
   orderResolution: {
     tableName: '',
     productionIdField: '',