feat: update session metrics and processing to use enums for sentiment and streamline status tracking

lib/schedulers.ts

@@ -1,15 +1,15 @@
 // Combined scheduler initialization
-import { startScheduler } from "./scheduler";
+import { startCsvImportScheduler } from "./scheduler";
 import { startProcessingScheduler } from "./processingScheduler";
 
 /**
  * Initialize all schedulers
- * - Session refresh scheduler (runs every 15 minutes)
+ * - CSV import scheduler (runs every 15 minutes)
  * - Session processing scheduler (runs every hour)
  */
 export function initializeSchedulers() {
-  // Start the session refresh scheduler
-  startScheduler();
+  // Start the CSV import scheduler
+  startCsvImportScheduler();
 
   // Start the session processing scheduler
   startProcessingScheduler();