Fix push notifications for account runtimes

src/services/account-runtime-event-wiring.ts

@@ -0,0 +1,82 @@
+import {
+  type ChatService,
+  type SyncCompletion,
+  type SyncProgress,
+} from './chat/index.js';
+
+/** Events emitted by one account-owned chat service into the shared UI/push hub. */
+export interface AccountRuntimeEventReporter {
+  conversation(input: { id: string; state: 'replied'; unread: number }): unknown;
+  reply(input: { conversationId: string; id: string; username: string; body?: string }): unknown;
+  mediaReceived(input: { conversationId: string; username: string; count: number }): unknown;
+  sync(input:
+    | { phase: 'started'; id: string; kind: 'delta' | 'full' }
+    | { phase: 'progress'; id: string; kind: 'delta' | 'full'; current: number; total?: number; label?: string }
+    | { phase: 'completed'; id: string; kind: 'delta' | 'full'; processed: number }
+    | { phase: 'failed'; id: string; kind: 'delta' | 'full'; error: string }
+  ): unknown;
+}
+
+type AccountChatEventSource = Pick<
+  ChatService,
+  'setProgressListener' | 'setNewReplyListener' | 'setMediaReceivedListener'
+>;
+
+/** Connects one account-owned ChatService to the process-wide event stream. */
+export function wireAccountChatEvents(
+  chatService: AccountChatEventSource,
+  events: AccountRuntimeEventReporter,
+  accountId: string,
+): void {
+  let activeSync: SyncProgress | null = null;
+
+  chatService.setProgressListener((progress, completion) => {
+    if (progress) {
+      const id = accountSyncId(accountId, progress.startedAt);
+      if (progress.phase === 'starting') {
+        events.sync({ phase: 'started', id, kind: progress.kind });
+      } else {
+        events.sync({
+          phase: 'progress',
+          id,
+          kind: progress.kind,
+          current: progress.current,
+          total: progress.total,
+          label: progress.label ?? progress.phase,
+        });
+      }
+      activeSync = progress;
+      return;
+    }
+
+    if (!activeSync) return;
+    reportSyncCompletion(events, accountId, activeSync, completion);
+    activeSync = null;
+  });
+
+  chatService.setMediaReceivedListener(({ conversationId, username, count }) => {
+    events.mediaReceived({ conversationId, username, count });
+  });
+  chatService.setNewReplyListener(({ conversationId, replyId, username, replySnippet }) => {
+    events.conversation({ id: conversationId, state: 'replied', unread: 1 });
+    events.reply({ conversationId, id: replyId, username, body: replySnippet });
+  });
+}
+
+function reportSyncCompletion(
+  events: AccountRuntimeEventReporter,
+  accountId: string,
+  progress: SyncProgress,
+  completion?: SyncCompletion,
+): void {
+  const id = accountSyncId(accountId, progress.startedAt);
+  if (completion?.status === 'failed') {
+    events.sync({ phase: 'failed', id, kind: progress.kind, error: completion.error });
+    return;
+  }
+  events.sync({ phase: 'completed', id, kind: progress.kind, processed: progress.current });
+}
+
+function accountSyncId(accountId: string, startedAt: number): string {
+  return `chat-${accountId}-${startedAt}`;
+}