feat: added an option to allow user choose whether to trim leading silence when bouncing audio

src/core/config-upgrader/KGConfigUpgrader.ts

@@ -3,6 +3,7 @@ import { CONFIG_UPGRADER_CONSTANTS } from '../../constants/coreConstants';
 import { upgradeConfigToV1 } from './upgradeConfigToV1';
 import { upgradeConfigToV2 } from './upgradeConfigToV2';
 import { upgradeConfigToV3 } from './upgradeConfigToV3';
+import { upgradeConfigToV4 } from './upgradeConfigToV4';
 
 /**
  * KGConfigUpgrader — Orchestrates app-level migrations (e.g., storage backend changes).
@@ -43,6 +44,10 @@ export class KGConfigUpgrader {
           await upgradeConfigToV3();
           break;
         }
+        case 4: {
+          await upgradeConfigToV4();
+          break;
+        }
         default: {
           throw new Error(`No config upgrader found for version ${nextVersion}`);
         }