feat(serviceworker): Enhance event and request logging with pagination support

ts_interfaces/serviceworker.ts

@@ -386,6 +386,7 @@ export interface IRequest_Serviceworker_GetEventLog
     limit?: number;
     type?: TEventType;
     since?: number;
+    before?: number;  // For pagination: get events before this timestamp
   };
   response: {
     events: IEventLogEntry[];
@@ -579,6 +580,7 @@ export interface IRequest_Serviceworker_GetTypedRequestLogs
     limit?: number;
     method?: string;
     since?: number;
+    before?: number;  // For pagination: get logs before this timestamp
   };
   response: {
     logs: ITypedRequestLogEntry[];