✨ tweak: update platform source type

Author: warengonzaga

src/types/index.ts

@@ -54,7 +54,7 @@ export interface MessageEvent extends UnthreadWebhookEvent {
 
 // Platform source types - indicates which platform initiated the event
 // Can be 'dashboard', 'unknown', 'buffered', or the actual target platform value from environment variable
-export type PlatformSource = string | 'buffered';
+export type PlatformSource = string;
 
 // Union type for all webhook events
 export type WebhookEvent = UrlVerificationEvent | ConversationEvent | MessageEvent;
@@ -137,7 +137,7 @@ export interface FileAttachmentBufferedEvent {
   eventData: UnthreadWebhookEvent;
   correlationKey: string;
   bufferedAt: number;
-  timeoutId: NodeJS.Timeout;
+  timeoutId: NodeJS.Timeout | null;
 }
 
 export interface FileAttachmentBufferedEvents {

src/utils/fileAttachmentCorrelation.ts

@@ -224,7 +224,7 @@ export class FileAttachmentCorrelationUtil {
         eventData: event,
         correlationKey,
         bufferedAt: Date.now(),
-        timeoutId: null as any // Will use shared timeout
+        timeoutId: null // Will use shared timeout
       };
 
       existing.events.push(bufferedEvent);
@@ -253,7 +253,7 @@ export class FileAttachmentCorrelationUtil {
         eventData: event,
         correlationKey,
         bufferedAt: Date.now(),
-        timeoutId: null as any // Will use shared timeout
+        timeoutId: null // Will use shared timeout
       };
 
       // Create timeout for fallback processing