feat: implement extraction event handling and update extraction list on status changes

src/lib/events.ts

@@ -36,6 +36,7 @@ export const authEvents = new EventEmitter()
 export const playerEvents = new EventEmitter()
 export const soundEvents = new EventEmitter()
 export const userEvents = new EventEmitter()
+export const extractionEvents = new EventEmitter()
 
 // Auth event types
 export const AUTH_EVENTS = {
@@ -60,3 +61,11 @@ export const SOUND_EVENTS = {
 export const USER_EVENTS = {
   USER_CREDITS_CHANGED: 'user_credits_changed',
 } as const
+
+// Extraction event types
+export const EXTRACTION_EVENTS = {
+  EXTRACTION_STATUS_UPDATED: 'extraction_status_updated',
+  EXTRACTION_CREATED: 'extraction_created',
+  EXTRACTION_COMPLETED: 'extraction_completed',
+  EXTRACTION_FAILED: 'extraction_failed',
+} as const