feat: add conversation image previews and sharing

src/services/reddit-account-runtime.ts

@@ -26,6 +26,7 @@ import type { MatrixCredentials } from './chat/matrix/types.js';
 import type { ChatService } from './chat/service.js';
 import type { MediaService } from './media.js';
 import type { MediaSyncService } from './media-sync.js';
+import type { MediaLibraryExchangeService } from './media-library-exchange.js';
 import type { MonitorService } from './monitor.js';
 import type { ProcessorService } from './processor.js';
 import type { ResponseCheckerService } from './response-checker.js';
@@ -76,6 +77,7 @@ export interface RedditAccountRuntimeResources {
   chatService: ChatService;
   mediaService: MediaService;
   mediaSyncService: MediaSyncService;
+  mediaExchange?: MediaLibraryExchangeService;
   rateLimiter: RateLimiter;
 }