observe
Observe photo feed changes and upload progress for reactive UI updates. Emits events when background delta sync completes with new/updated/deleted attachments, and when attachment uploads change status.
Events emitted:
AttachmentsChanged(attachments): Delta sync content changes.
AttachmentsDeleted(attachmentUids): Deleted attachments from delta sync.
AttachmentUploadStatusChanged(pendingUpload): Upload status/progress for file operations.
Return
Flow of PhotoFeedChangeEvent objects
Parameters
module
Module to observe (e.g., ZuperModule.JOB)